Aruba 2620 Installation guide
- Category
- Software
- Type
- Installation guide
This manual is also suitable for
HPE ArubaOS-Switch Management
and Configuration Guide for
RA.16.02
Part Number: 5200-1667a
Published: September 2016
Edition: 2
Copyright
©Copyright 2016 Hewlett Packard Enterprise Development LP
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products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein
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editorial errors or omissions contained herein.
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Consistent with FAR 12.211 and 12.212, Commercial Computer Software, Computer Software Documentation, and Technical
Data for Commercial Items are licensed to the U.S. Government under vendor's standard commercial license.
Acknowledgments
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Java and Oracle are registered trademarks of Oracle and/or its affiliates.
Contents
Chapter 1 About this document........................................................................................23
Chapter 2 Time Protocols.................................................................................................24
General steps for running a time protocol on the switch.............................................................................24
TimeP time synchronization...............................................................................................................24
SNTP time synchronization................................................................................................................24
Selecting a time synchronization protocol.................................................................................................25
Disabling time synchronization................................................................................................................25
SNTP: Selecting and configuring.............................................................................................................25
Viewing and configuring SNTP (Menu)..............................................................................................26
Viewing and configuring SNTP (CLI).................................................................................................27
Configuring (enabling or disabling) the SNTP mode.......................................................................29
Enabling SNTP in Broadcast Mode..........................................................................................29
Enabling SNTP in unicast mode (CLI)......................................................................................30
Changing the SNTP poll interval (CLI).....................................................................................32
Changing the SNTP server priority (CLI)..................................................................................33
Disabling time synchronization without changing the SNTP configuration (CLI)........................33
Disabling the SNTP Mode.......................................................................................................33
SNTP client authentication.................................................................................................................34
Requirements...............................................................................................................................34
Configuring the key-identifier, authentication mode, and key-value (CLI)........................................35
Configuring a trusted key..............................................................................................................35
Configuring a key-id as trusted (CLI).......................................................................................36
Associating a key with an SNTP server (CLI).................................................................................36
Enabling SNTP client authentication..............................................................................................37
Configuring unicast and broadcast mode for authentication.............................................................37
Viewing SNTP authentication configuration information (CLI).......................................................37
Viewing all SNTP authentication keys that have been configured on the switch (CLI)..................38
Viewing statistical information for each SNTP server (CLI).......................................................38
Saving configuration files and the include-credentials command......................................................38
TimeP: Selecting and configuring.............................................................................................................40
Viewing, enabling, and modifying the TimeP protocol (Menu)..............................................................41
Viewing the current TimeP configuration (CLI)...................................................................................42
Configuring (enabling or disabling) the TimeP mode......................................................................43
Enabling TimeP in manual mode (CLI).....................................................................................43
SNTP unicast time polling with multiple SNTP servers.............................................................................46
Displaying all SNTP server addresses configured on the switch (CLI)...................................................46
Adding and deleting SNTP server addresses........................................................................................47
Adding addresses..........................................................................................................................47
Deleting addresses........................................................................................................................47
Operating with multiple SNTP server addresses configured (Menu)............................................................48
SNTP messages in the Event Log.............................................................................................................48
Network Time Protocol (NTP).................................................................................................................48
Commands........................................................................................................................................48
timesync......................................................................................................................................48
Contents 3
timesync ntp.................................................................................................................................49
ntp...............................................................................................................................................49
[no] ntp........................................................................................................................................50
ntp enable....................................................................................................................................50
ntp authentication.........................................................................................................................51
ntp authentication key-id ..............................................................................................................52
ntp max-association......................................................................................................................52
ntp server.....................................................................................................................................53
ntp server key-id...........................................................................................................................54
ntp ipv6-multicast.........................................................................................................................55
debug ntp.....................................................................................................................................55
ntp trap........................................................................................................................................55
show ntp statistics.........................................................................................................................57
show ntp status.............................................................................................................................57
show ntp associations....................................................................................................................58
show ntp authentication.................................................................................................................58
Validation rules............................................................................................................................59
Event log messages.......................................................................................................................60
Monitoring resources...............................................................................................................................62
Displaying current resource usage.......................................................................................................62
Viewing information on resource usage...............................................................................................63
Policy enforcement engine............................................................................................................64
Usage notes for show resources output...........................................................................................65
When insufficient resources are available............................................................................................65
Chapter 3 Port Status and Configuration..........................................................................66
Viewing port status and configuring port parameters..................................................................................66
Connecting transceivers to fixed-configuration devices.........................................................................66
Viewing port configuration (Menu).....................................................................................................68
Configuring ports (Menu).............................................................................................................68
Viewing port status and configuration (CLI)........................................................................................69
Dynamically updating the show interfaces command (CLI/Menu)...................................................70
Customizing the show interfaces command (CLI)................................................................................71
Error messages associated with the show interfaces command.........................................................72
Note on using pattern matching with the show interfaces custom command.................................72
Viewing port utilization statistics (CLI)...............................................................................................72
Operating notes for viewing port utilization statistics......................................................................73
Viewing transceiver status (CLI).........................................................................................................73
Operating notes............................................................................................................................74
Enabling or disabling ports and configuring port mode (CLI)................................................................74
Enabling or disabling flow control (CLI).............................................................................................75
Port shutdown with broadcast storm....................................................................................................77
Viewing broadcast storm...............................................................................................................78
SNMP MIB..................................................................................................................................79
Configuring auto-MDIX.....................................................................................................................81
Manual override...........................................................................................................................82
Configuring auto-MDIX (CLI)......................................................................................................82
Using friendly (optional) port names........................................................................................................84
4HPE ArubaOS-Switch Management and Configuration Guide for RA.16.02
Configuring and operating rules for friendly port names.......................................................................84
Configuring friendly port names (CLI)................................................................................................85
Configuring a single port name (CLI)............................................................................................85
Configuring the same name for multiple ports (CLI).......................................................................85
Displaying friendly port names with other port data (CLI)....................................................................86
Listing all ports or selected ports with their friendly port names (CLI).............................................86
Including friendly port names in per-port statistics listings (CLI).....................................................87
Searching the configuration for ports with friendly port names (CLI)...............................................88
Uni-directional link detection (UDLD).....................................................................................................89
Configuring UDLD............................................................................................................................90
Configuring uni-directional link detection (UDLD) (CLI)...............................................................90
Enabling UDLD (CLI)..................................................................................................................91
Changing the keepalive interval (CLI)............................................................................................91
Changing the keepalive retries (CLI)..............................................................................................91
Configuring UDLD for tagged ports..............................................................................................92
Viewing UDLD information (CLI)......................................................................................................92
Viewing summary information on all UDLD-enabled ports (CLI)....................................................92
Viewing detailed UDLD information for specific ports (CLI)..........................................................93
Clearing UDLD statistics (CLI).....................................................................................................93
Chapter 4 Power Over Ethernet (PoE/PoE+) Operation...................................................95
Introduction to PoE.................................................................................................................................95
PoE terminology................................................................................................................................95
About PoE operation...............................................................................................................................95
Configuration options.........................................................................................................................95
PD support........................................................................................................................................96
Power priority operation.....................................................................................................................96
Configuring PoE operation......................................................................................................................97
Disabling or re-enabling PoE port operation........................................................................................97
Enabling support for pre-standard devices...........................................................................................97
Configuring the PoE port priority........................................................................................................97
Controlling PoE allocation..................................................................................................................99
Manually configuring PoE power levels..............................................................................................99
Changing the threshold for generating a power notice.........................................................................101
PoE/PoE+ allocation using LLDP information........................................................................................101
LLDP with PoE...............................................................................................................................101
Enabling or disabling ports for allocating power using LLDP........................................................102
Enabling PoE detection via LLDP TLV advertisement..................................................................102
LLDP with PoE+.............................................................................................................................102
Overview...................................................................................................................................102
PoE allocation............................................................................................................................102
Initiating advertisement of PoE+ TLVs........................................................................................104
Viewing PoE when using LLDP information................................................................................104
Operation Note...........................................................................................................................106
Viewing the global PoE power status of the switch..................................................................................106
Viewing PoE status on all ports.........................................................................................................107
Viewing the PoE status on specific ports............................................................................................109
Planning and implementing a PoE configuration.....................................................................................111
Contents 5
Power requirements.........................................................................................................................111
Assigning PoE ports to VLANs........................................................................................................112
Applying security features to PoE configurations...............................................................................112
Assigning priority policies to PoE traffic...........................................................................................112
PoE Event Log messages..................................................................................................................112
Chapter 5 Port Trunking..................................................................................................113
Overview of port trunking......................................................................................................................113
Port connections and configuration...................................................................................................113
Port trunk features and operation............................................................................................................114
Fault tolerance ................................................................................................................................114
Trunk configuration methods.................................................................................................................114
Dynamic LACP trunk.......................................................................................................................114
Static trunk......................................................................................................................................115
Viewing and configuring a static trunk group (Menu)..............................................................................118
Viewing and configuring port trunk groups (CLI)....................................................................................119
Viewing static trunk type and group for all ports or for selected ports..................................................119
Viewing static LACP and dynamic LACP trunk data..........................................................................120
Dynamic LACP Standby Links.........................................................................................................121
Configuring a static trunk or static LACP trunk group........................................................................121
Removing ports from a static trunk group..........................................................................................122
Enabling a dynamic LACP trunk group.............................................................................................122
Removing ports from a dynamic LACP trunk group...........................................................................123
Viewing existing port trunk groups (WebAgent)......................................................................................124
Trunk group operation using LACP........................................................................................................124
Default port operation......................................................................................................................126
LACP notes and restrictions..............................................................................................................127
802.1X (Port-based access control) configured on a port...............................................................127
Port securityconfigured on a port.................................................................................................127
Changing trunking methods.........................................................................................................127
Static LACP trunks.....................................................................................................................128
Dynamic LACP trunks................................................................................................................128
VLANs and dynamic LACP........................................................................................................128
Blocked ports with older devices.................................................................................................128
Spanning Tree and IGMP............................................................................................................129
Half-duplex, different port speeds, or both not allowed in LACP trunks..........................................129
Dynamic/static LACP interoperation............................................................................................129
Trunk group operation using the "trunk" option.......................................................................................129
How the switch lists trunk data...............................................................................................................130
Outbound traffic distribution across trunked links....................................................................................130
Trunk load balancing using port layers....................................................................................................131
Enabling trunk load balancing...........................................................................................................131
Chapter 6 Port Traffic Controls.......................................................................................133
Rate-limiting.........................................................................................................................................133
All traffic rate-limiting.....................................................................................................................133
Configuring rate-limiting............................................................................................................133
Displaying the current rate-limit configuration.............................................................................134
6HPE ArubaOS-Switch Management and Configuration Guide for RA.16.02
Operating notes for rate-limiting..................................................................................................135
VLAN-based rate-limiting.....................................................................................................................136
ICMP rate-limiting................................................................................................................................137
Guidelines for configuring ICMP rate-limiting...................................................................................138
Configuring ICMP rate-limiting........................................................................................................138
Using both ICMP rate-limiting and all-traffic rate-limiting on the same interface.................................139
Viewing the current ICMP rate-limit configuration.............................................................................140
Operating notes for ICMP rate-limiting.............................................................................................140
Notes on testing ICMP rate-limiting.............................................................................................141
ICMP rate-limiting trap and Event Log messages...............................................................................142
Determining the switch port number used in ICMP port reset commands.......................................142
Configuring inbound rate-limiting for broadcast and multicast traffic..................................................143
Operating Notes.........................................................................................................................145
Jumbo frames.......................................................................................................................................145
Operating rules................................................................................................................................145
Configuring jumbo frame operation..................................................................................................145
Overview...................................................................................................................................146
Viewing the current jumbo configuration......................................................................................146
Enabling or disabling jumbo traffic on a VLAN............................................................................147
Configuring a maximum frame size..................................................................................................147
Configuring IP MTU..................................................................................................................148
SNMP implementation................................................................................................................148
Jumbo maximum frame size...................................................................................................148
Jumbo IP MTU.....................................................................................................................148
Displaying the maximum frame size............................................................................................148
Operating notes for maximum frame size.....................................................................................149
Operating notes for jumbo traffic-handling........................................................................................149
Troubleshooting...............................................................................................................................150
A VLAN is configured to allow jumbo frames, but one or more ports drops all inbound jumbo
frames........................................................................................................................................150
A non-jumbo port is generating "Excessive undersize/giant frames" messages in the Event Log......151
Chapter 7 Fault-Finder port-level link-flap.....................................................................152
Overview..............................................................................................................................................152
Fault-finder link-flap ............................................................................................................................152
Show fault-finder link-flap.....................................................................................................................154
Event Log.............................................................................................................................................155
Restrictions...........................................................................................................................................155
Chapter 8 Configuring for Network Management Applications.....................................157
Using SNMP tools to manage the switch................................................................................................157
SNMP management features.............................................................................................................157
SNMPv1 and v2c access to the switch...............................................................................................158
SNMPv3 access to the switch...........................................................................................................158
Enabling and disabling switch for access from SNMPv3 agents.....................................................159
Enabling or disabling restrictions to access from only SNMPv3 agents..........................................159
Enabling or disabling restrictions from all non-SNMPv3 agents to read-only access.......................159
Viewing the operating status of SNMPv3.....................................................................................159
Contents 7
Viewing status of message reception of non-SNMPv3 messages....................................................159
Viewing status of write messages of non-SNMPv3 messages.........................................................159
Enabling SNMPv3......................................................................................................................160
SNMPv3 users...........................................................................................................................160
Adding users.........................................................................................................................161
SNMPv3 user commands.......................................................................................................161
Listing Users.........................................................................................................................161
Assigning users to groups (CLI).............................................................................................162
Group access levels.....................................................................................................................162
SNMPv3 communities................................................................................................................163
Mapping SNMPv3 communities (CLI)...................................................................................164
SNMP community features....................................................................................................164
Viewing and configuring non-version-3 SNMP communities (Menu).............................................165
Listing community names and values (CLI)..................................................................................165
Configuring community names and values (CLI).....................................................................166
SNMP notifications..........................................................................................................................167
Supported Notifications..............................................................................................................167
General steps for configuring SNMP notifications........................................................................167
SNMPv1 and SNMPv2c Traps....................................................................................................168
SNMP trap receivers...................................................................................................................168
Configuring an SNMP trap receiver (CLI)...............................................................................168
SNMPv2c informs......................................................................................................................169
Enabling SNMPv2c informs (CLI).........................................................................................169
Configuring SNMPv3 notifications (CLI)....................................................................................170
Network security notifications.....................................................................................................173
Enabling or disabling notification/traps for network security failures and other security events
(CLI)....................................................................................................................................173
Viewing the current configuration for network security notifications (CLI)...............................174
Enabling Link-Change Traps (CLI)..............................................................................................175
Readable interface names in traps...........................................................................................175
Source IP address for SNMP notifications....................................................................................175
Configuring the source IP address for SNMP notifications (CLI)..............................................176
Viewing SNMP notification configuration (CLI)...........................................................................177
Configuring the MAC address count option.......................................................................................178
Displaying information about the mac-count-notify option............................................................179
Advanced management: RMON.......................................................................................................180
CLI-configured sFlow with multiple instances...................................................................................181
Configuring sFlow (CLI).............................................................................................................181
Viewing sFlow Configuration and Status (CLI).............................................................................181
Configuring UDLD Verify before forwarding..........................................................................................183
UDLD time delay............................................................................................................................183
Restrictions................................................................................................................................184
UDLD configuration commands.......................................................................................................184
Show commands..............................................................................................................................185
RMON generated when user changes UDLD mode............................................................................185
LLDP...................................................................................................................................................185
General LLDP operation..................................................................................................................186
8HPE ArubaOS-Switch Management and Configuration Guide for RA.16.02
LLDP-MED...............................................................................................................................186
Packet boundaries in a network topology...........................................................................................186
LLDP operation configuration options...............................................................................................186
Enable or disable LLDP on the switch.........................................................................................186
Enable or disable LLDP-MED.....................................................................................................186
Change the frequency of LLDP packet transmission to neighbor devices........................................186
Change the Time-To-Live for LLDP packets sent to neighbors......................................................187
Transmit and receive mode..........................................................................................................187
SNMP notification......................................................................................................................187
Per-port (outbound) data options..................................................................................................187
Remote management address.......................................................................................................188
Debug logging............................................................................................................................188
Options for reading LLDP information collected by the switch...........................................................189
LLDP and LLDP-MED standards compatibility.................................................................................189
LLDP operating rules.......................................................................................................................189
Port trunking..............................................................................................................................189
IP address advertisements...........................................................................................................189
Spanning-tree blocking...............................................................................................................190
802.1X blocking.........................................................................................................................190
Configuring LLDP operation............................................................................................................190
Displaying the global LLDP, port admin, and SNMP notification status (CLI)................................190
Viewing port configuration details (CLI).................................................................................191
Configuring Global LLDP Packet Controls..................................................................................191
LLDP operation on the switch................................................................................................191
Enabling or disabling LLDP operation on the switch (CLI)......................................................191
Changing the packet transmission interval (CLI).....................................................................192
Time-to-Live for transmitted advertisements...........................................................................192
Delay interval between advertisements generated by value or status changes to the LLDP MIB...193
Reinitialization delay interval.................................................................................................193
Configuring SNMP notification support.......................................................................................194
Enabling LLDP data change notification for SNMP trap receivers (CLI)...................................194
Changing the minimum interval for successive data change notifications for the same neighbor..194
Configuring per-port transmit and receive modes (CLI).................................................................195
Basic LLDP per-port advertisement content.................................................................................195
Mandatory Data....................................................................................................................195
Configuring a remote management address for outbound LLDP advertisements (CLI)...............195
Optional Data.......................................................................................................................197
Support for port speed and duplex advertisements.........................................................................197
Configuring support for port speed and duplex advertisements (CLI)........................................197
Port VLAN ID TLV support on LLDP...............................................................................................198
Configuring the VLAN ID TLV...................................................................................................198
Viewing the TLVs advertised.......................................................................................................198
SNMP support............................................................................................................................200
LLDP-MED (media-endpoint-discovery)...........................................................................................200
LLDP-MED endpoint support.....................................................................................................201
LLDP-MED endpoint device classes............................................................................................202
LLDP-MED operational support..................................................................................................202
Contents 9
Tracking LLDP-MED connects and disconnects—topology change notification.............................202
LLDP-MED fast start control......................................................................................................203
Advertising device capability, network policy, PoE status and location data....................................204
Network policy advertisements..............................................................................................204
VLAN operating rules...........................................................................................................204
Policy elements.....................................................................................................................204
Enabling or Disabling medTlvEnable.....................................................................................205
PoE advertisements...............................................................................................................206
Location data for LLDP-MED devices.........................................................................................207
Configuring location data for LLDP-MED devices..................................................................207
Configuring coordinate-based locations..................................................................................208
Viewing switch information available for outbound advertisements.....................................................210
Displaying the current port speed and duplex configuration on a switch port..................................212
Viewing the current port speed and duplex configuration on a switch port.................................213
Viewing advertisements currently in the neighbors MIB................................................................213
Displaying LLDP statistics..........................................................................................................214
Viewing LLDP statistics........................................................................................................214
LLDP Operating Notes.....................................................................................................................216
Neighbor maximum....................................................................................................................216
LLDP packet forwarding.............................................................................................................217
One IP address advertisement per port.........................................................................................217
802.1Q VLAN Information.........................................................................................................217
Effect of 802.1X Operation.........................................................................................................217
Neighbor data can remain in the neighbor database after the neighbor is disconnected....................217
Mandatory TLVs........................................................................................................................217
Determining the switch port number included in topology change notification traps........................217
LLDP and CDP data management.....................................................................................................218
LLDP and CDP neighbor data.....................................................................................................218
CDP operation and commands.....................................................................................................219
Viewing the current CDP configuration of the switch....................................................................219
Viewing the current CDP neighbors table of the switch.................................................................220
Enabling and Disabling CDP Operation.......................................................................................221
Enabling or disabling CDP operation on individual ports...............................................................221
Configuring CDPv2 for voice transmission........................................................................................222
Filtering CDP information................................................................................................................224
Configuring the switch to filter untagged traffic............................................................................224
Displaying the configuration.......................................................................................................225
Filtering PVID mismatch log messages.............................................................................................225
DHCPv4 server.....................................................................................................................................226
Introduction to DHCPv4...................................................................................................................226
IP pools...........................................................................................................................................226
DHCP options.................................................................................................................................226
BootP support..................................................................................................................................226
Authoritative server and support for DHCP inform packets.................................................................226
Authoritative pools...........................................................................................................................227
Authoritative dummy pools..............................................................................................................227
Change in server behavior................................................................................................................227
10 HPE ArubaOS-Switch Management and Configuration Guide for RA.16.02
DHCPv4 configuration commands....................................................................................................228
Enable/disable the DHCPv4 server..............................................................................................228
Configuring the DHCP address pool name...................................................................................228
Authoritative..............................................................................................................................229
Specify a boot file for the DHCP client .......................................................................................229
Configure a default router for a DHCP client................................................................................229
Configure the DNS IP servers .....................................................................................................230
Configure a domain name...........................................................................................................230
Configure lease time...................................................................................................................230
Configure the NetBIOS WINS servers.........................................................................................230
Configure the NetBIOS node type...............................................................................................230
Configure subnet and mask ........................................................................................................231
Configure DHCP server options..................................................................................................231
Configure the range of IP address................................................................................................231
Configure the static binding information......................................................................................231
Configure the TFTP server domain name.....................................................................................232
Configure the TFTP server address..............................................................................................232
Change the number of ping packets.............................................................................................232
Change the amount of time..........................................................................................................232
Configure DHCP Server to save automatic bindings......................................................................232
Configure a DHCP server to send SNMP notifications..................................................................233
Enable conflict logging on a DHCP server...................................................................................233
Enable the DHCP server on a VLAN...........................................................................................233
Clear commands.........................................................................................................................233
Reset all DHCP server and BOOTP counters................................................................................233
Delete an automatic address binding............................................................................................234
Show commands..............................................................................................................................234
Display the DHCPv4 server address bindings...............................................................................234
Display address conflicts.............................................................................................................234
Display DHCPv4 server database agent........................................................................................234
Display DHCPv4 server statistics................................................................................................234
Display the DHCPv4 server IP pool information...........................................................................234
Display DHCPv4 server global configuration information.............................................................235
Event log.........................................................................................................................................235
Event Log Messages...................................................................................................................235
Chapter 9 Captive Portal for ClearPass...........................................................................237
Requirements........................................................................................................................................237
Best Practices.......................................................................................................................................238
Limitations...........................................................................................................................................238
Features................................................................................................................................................238
High Availability.............................................................................................................................238
Load balancing and redundancy........................................................................................................239
Captive Portal when disabled.................................................................................................................239
Disabling Captive Portal...................................................................................................................239
Configuring Captive Portal on CPPM.....................................................................................................239
Import the HP RADIUS dictionary....................................................................................................239
Create enforcement profiles..............................................................................................................239
Contents 11
Create a ClearPass guest self-registration...........................................................................................241
Configure the login delay ................................................................................................................242
Configuring the switch..........................................................................................................................242
Configure the URL key....................................................................................................................243
Configuring a certificate for Captive Portal usage....................................................................................243
Display Captive Portal configuration......................................................................................................244
Show certificate information..................................................................................................................244
Troubleshooting....................................................................................................................................244
Event Timestamp not working..........................................................................................................244
Cannot enable Captive Portal............................................................................................................244
Unable to enable feature...................................................................................................................245
Authenticated user redirected to login page .......................................................................................245
Unable to configure a URL hash key.................................................................................................246
authentication command...................................................................................................................246
show command................................................................................................................................246
Debug command..............................................................................................................................247
Chapter 10 ZTP with AirWave Network Management...................................................248
Requirements........................................................................................................................................248
Best Practices.......................................................................................................................................249
Limitations...........................................................................................................................................249
Switch configuration.............................................................................................................................249
Configure AirWave details in DHCP (preferred method)..........................................................................250
Configure AirWave details in DHCP (alternate method)...........................................................................254
Zero Touch Provisioning........................................................................................................................261
Auto-configuration using ZTP..........................................................................................................262
Disabling ZTP.................................................................................................................................262
Image Upgrade................................................................................................................................262
Configure a switch using the CLI...........................................................................................................263
Stacking and chassis switches................................................................................................................263
Troubleshooting....................................................................................................................................263
View AMP server messages..............................................................................................................263
Validation Rules..............................................................................................................................264
View configuration details.....................................................................................................................264
amp-server............................................................................................................................................264
debug ztp..............................................................................................................................................265
Chapter 11 Auto configuration upon Aruba AP detection..............................................266
Auto device detection and configuration.................................................................................................266
Requirements..................................................................................................................................266
Limitations......................................................................................................................................266
Feature Interactions..........................................................................................................................267
Profile Manager and 802.1X........................................................................................................267
Profile Manager and LMA/WMA/MAC-AUTH...........................................................................267
Profile manager and Private VLANs............................................................................................267
Creating a profile and associate a device type....................................................................................267
device-profile name..........................................................................................................................268
device-profile type...........................................................................................................................269
12 HPE ArubaOS-Switch Management and Configuration Guide for RA.16.02
Rogue AP Isolation...............................................................................................................................270
Limitations......................................................................................................................................271
Feature Interactions..........................................................................................................................271
MAC lockout and lockdown .......................................................................................................271
LMA/WMA/802.1X/Port-Security..............................................................................................272
L3 MAC....................................................................................................................................272
Using the Rogue AP Isolation feature................................................................................................272
rogue-ap-isolation............................................................................................................................273
rogue-ap-isolation action..................................................................................................................274
rogue-ap-isolation whitelist..............................................................................................................274
clear rogue-ap-isolation....................................................................................................................275
Troubleshooting....................................................................................................................................275
Dynamic configuration not displayed when using “show running-config”............................................275
Switch does not detect the rogue AP TLVs........................................................................................276
The show run command displays non-numerical value for untagged-vlan............................................276
Show commands..............................................................................................................................276
Validation Rules..............................................................................................................................277
Chapter 12 Link Aggregation Control Protocol—Multi-Active Detection
(LACP-MAD)...................................................................................................................279
LACP-MAD commands........................................................................................................................279
Configuration command...................................................................................................................279
show commands..............................................................................................................................279
clear command................................................................................................................................279
LACP-MAD overview...........................................................................................................................279
Chapter 13 Scalability IP Address VLAN and Routing Maximum Values....................281
Chapter 14 File Transfers................................................................................................283
Overview..............................................................................................................................................283
Downloading switch software................................................................................................................283
General software download rules......................................................................................................283
Using TFTP to download software from a server................................................................................283
Downloading from a server to primary flash using TFTP (Menu)...................................................284
Troubleshooting TFTP download failures.....................................................................................285
Downloading from a server to flash using TFTP (CLI)..................................................................286
Enabling TFTP (CLI)..................................................................................................................287
Configuring the switch to download software automatically from a TFTP server using auto-TFTP
(CLI).........................................................................................................................................288
Using SCP and SFTP.......................................................................................................................289
Enabling SCP and SFTP...................................................................................................................290
Disabling TFTP and auto-TFTP for enhanced security..................................................................290
Enabling SSH V2 (required for SFTP).........................................................................................292
Confirming that SSH is enabled.............................................................................................292
Disabling secure file transfer..................................................................................................292
Authentication............................................................................................................................292
SCP/SFTP operating notes..........................................................................................................293
Troubleshooting SSH, SFTP, and SCP operations.........................................................................294
Contents 13
Broken SSH connection.........................................................................................................294
Attempt to start a session during a flash write..........................................................................294
Failure to exit from a previous session....................................................................................294
Attempt to start a second session............................................................................................295
Using Xmodem to download switch software from a PC or UNIX workstation....................................295
Downloading to primary flash using Xmodem (Menu)..................................................................295
Downloading to primary or secondary flash using Xmodem and a terminal emulator (CLI).............296
Switch-to-switch download..............................................................................................................297
Switch-to-switch download to primary flash (Menu).....................................................................297
Downloading the OS from another switch (CLI)...........................................................................298
Downloading from primary only (CLI)...................................................................................298
Downloading from either flash in the source switch to either flash in the destination switch
(CLI)....................................................................................................................................298
Using AirWave to update switch software..........................................................................................298
Copying software images.......................................................................................................................299
TFTP: Copying a software image to a remote host (CLI)....................................................................299
Xmodem: Copying a software image from the switch to a serially connected PC or UNIX workstation
(CLI)..............................................................................................................................................299
Transferring switch configurations.........................................................................................................299
TFTP: Copying a configuration file to a remote host (CLI).................................................................300
TFTP: Copying a configuration file from a remote host (CLI).............................................................300
TFTP: Copying a customized command file to a switch (CLI)............................................................300
Xmodem: Copying a configuration file to a serially connected PC or UNIX workstation (CLI).............301
Xmodem: Copying a configuration file from a serially connected PC or UNIX workstation (CLI).........302
Transferring ACL command files...........................................................................................................302
TFTP: Uploading an ACL command file from a TFTP server (CLI)....................................................303
Xmodem: Uploading an ACL command file from a serially connected PC or UNIX workstation (CLI)..304
Copying diagnostic data to a remote host, PC or UNIX workstation..........................................................305
Copying command output to a destination device (CLI)......................................................................305
Copying Event Log output to a destination device (CLI).....................................................................306
Copying crash data content to a destination device (CLI)....................................................................306
Chapter 15 Monitoring and Analyzing Switch Operation..............................................307
Overview..............................................................................................................................................307
Accessing port and trunk group statistics................................................................................................307
show interfaces................................................................................................................................307
Reset port counters...........................................................................................................................307
clear statistics.............................................................................................................................308
Accessing port and trunk statistics (Menu).........................................................................................308
MAC address tables...............................................................................................................................309
MAC address views and searches......................................................................................................309
show mac-address.......................................................................................................................309
Using the menu to view and search MAC addresses......................................................................310
Finding the port connection for a specific device on a VLAN........................................................311
Viewing and searching port-level MAC addresses.........................................................................311
Determining whether a specific device is connected to the selected port.........................................312
MSTP data............................................................................................................................................312
show spanning-tree..........................................................................................................................312
14 HPE ArubaOS-Switch Management and Configuration Guide for RA.16.02
IP IGMP status......................................................................................................................................313
show ip igmp...................................................................................................................................313
VLAN information................................................................................................................................315
show vlan........................................................................................................................................315
Configuring a destination switch in a remote mirroring session................................................................316
Configuring a source switch in a local mirroring session..........................................................................317
Configuring a source switch in a remote mirroring session.......................................................................318
Selecting all traffic on a port interface for mirroring according to traffic direction.....................................319
Selecting all traffic on a VLAN interface for mirroring according to traffic direction.................................320
Configuring a MAC address to filter mirrored traffic on an interface.........................................................321
Configuring classifier-based mirroring....................................................................................................322
Applying a mirroring policy on a port or VLAN interface...................................................................323
Viewing a classifier-based mirroring configuration..................................................................................324
Viewing all mirroring sessions configured on the switch..........................................................................324
Viewing the remote endpoints configured on the switch...........................................................................325
Viewing the mirroring configuration for a specific session.......................................................................326
Viewing a remote mirroring session........................................................................................................327
Viewing a MAC-based mirroring session................................................................................................327
Viewing a local mirroring session...........................................................................................................328
Viewing information on a classifier-based mirroring session....................................................................328
Viewing information about a classifier-based mirroring configuration.......................................................329
Viewing information about a classifier-based mirroring configuration.......................................................330
Viewing resource usage for mirroring policies.........................................................................................330
Viewing the mirroring configurations in the running configuration file.....................................................331
Compatibility mode...............................................................................................................................332
Traffic mirroring overview.....................................................................................................................333
Mirroring overview..........................................................................................................................333
Mirroring destinations......................................................................................................................334
Mirroring sources and sessions.........................................................................................................334
Mirroring sessions...........................................................................................................................334
Mirroring session limits..............................................................................................................335
Selecting mirrored traffic............................................................................................................335
Mirrored traffic destinations.............................................................................................................336
Local destinations.......................................................................................................................336
Remote destinations....................................................................................................................336
Monitored traffic sources..................................................................................................................336
Criteria for selecting mirrored traffic.................................................................................................337
Mirroring configuration....................................................................................................................337
Remote mirroring endpoint and intermediate devices.........................................................................338
Migration to release K.12.xx.............................................................................................................338
Booting from software versions earlier than K.12.xx.....................................................................338
Maximum supported frame size...................................................................................................339
Frame truncation........................................................................................................................339
Migration to release K.14.01 or greater..............................................................................................339
Traffic mirroring overview.....................................................................................................................340
Mirroring overview..........................................................................................................................340
Mirroring destinations......................................................................................................................341
Contents 15
Mirroring sources and sessions.........................................................................................................341
Mirroring sessions...........................................................................................................................341
Mirroring session limits..............................................................................................................342
Selecting mirrored traffic............................................................................................................342
Mirrored traffic destinations.............................................................................................................343
Local destinations.......................................................................................................................343
Remote destinations....................................................................................................................343
Monitored traffic sources..................................................................................................................343
Criteria for selecting mirrored traffic.................................................................................................344
Mirroring configuration....................................................................................................................344
Remote mirroring endpoint and intermediate devices.........................................................................345
Migration to release K.12.xx.............................................................................................................345
Booting from software versions earlier than K.12.xx.....................................................................345
Maximum supported frame size...................................................................................................346
Frame truncation........................................................................................................................346
Migration to release K.14.01 or greater..............................................................................................346
Using the Menu to configure local mirroring...........................................................................................347
Menu and WebAgent limits..............................................................................................................347
Remote mirroring overview...................................................................................................................347
Quick reference to remote mirroring setup.........................................................................................348
High-level overview of the mirror configuration process..........................................................................349
Determine the mirroring session and destination................................................................................349
For a local mirroring session.......................................................................................................349
For a remote mirroring session....................................................................................................349
Configure a mirroring destination on a remote switch.........................................................................349
Configure a destination switch in a remote mirroring session.........................................................349
Configure a mirroring session on the source switch............................................................................349
Configure a source switch in a remote mirroring session...............................................................350
Configure the monitored traffic in a mirror session.............................................................................350
Traffic selection options..............................................................................................................350
Mirroring-source restrictions.......................................................................................................351
About selecting all inbound/outbound traffic to mirror.............................................................................351
Untagged mirrored packets...............................................................................................................351
About using SNMP to configure no-tag-added..............................................................................352
Operating notes..........................................................................................................................352
About selecting inbound traffic using an ACL (deprecated)................................................................352
About selecting inbound/outbound traffic using a MAC address..........................................................353
About selecting inbound traffic using advanced classifier-based mirroring...........................................354
Classifier-based mirroring configuration.................................................................................................355
Classifier-based mirroring restrictions...............................................................................................357
About applying multiple mirroring sessions to an interface.................................................................358
Mirroring configuration examples.....................................................................................................359
Maximum supported frame size.............................................................................................................363
Enabling jumbo frames to increase the mirroring path MTU...............................................................363
Effect of downstream VLAN tagging on untagged, mirrored traffic..........................................................364
Operating notes for traffic mirroring.................................................................................................364
Troubleshooting traffic mirroring...........................................................................................................366
16 HPE ArubaOS-Switch Management and Configuration Guide for RA.16.02
Chapter 16 Troubleshooting............................................................................................367
Overview..............................................................................................................................................367
Troubleshooting approaches...................................................................................................................367
Browser or Telnet access problems.........................................................................................................368
Cannot access the WebAgent............................................................................................................368
Cannot Telnet into the switch console from a station on the network...................................................368
Unusual network activity.......................................................................................................................369
General problems.............................................................................................................................369
The network runs slow; processes fail; users cannot access servers or other devices........................369
Duplicate IP addresses................................................................................................................369
Duplicate IP addresses in a DHCP network..................................................................................370
The switch has been configured for DHCP/Bootp operation, but has not received a DHCP or Bootp
reply..........................................................................................................................................370
802.1Q Prioritization problems.........................................................................................................370
Ports configured for non-default prioritization (level 1 to 7) are not performing the specified action..370
Addressing ACL problems...............................................................................................................371
ACLs are properly configured and assigned to VLANs, but the switch is not using the ACLs to filter
IP layer 3 packets.......................................................................................................................371
The switch does not allow management access from a device on the same VLAN...........................371
Error (Invalid input) when entering an IP address..........................................................................372
Apparent failure to log all "deny" matches....................................................................................372
The switch does not allow any routed access from a specific host, group of hosts, or subnet............372
The switch is not performing routing functions on a VLAN...........................................................372
Routing through a gateway on the switch fails..............................................................................372
Remote gateway case.............................................................................................................373
Local gateway case................................................................................................................373
IGMP-related problems....................................................................................................................374
IP multicast (IGMP) traffic that is directed by IGMP does not reach IGMP hosts or a multicast router
connected to a port.....................................................................................................................374
IP multicast trafficfloods out all ports; IGMP does not appear to filter traffic.................................374
LACP-related problems....................................................................................................................374
Unable to enable LACP on a port with the interface <port-number> lacp command..................374
Mesh-related problems.....................................................................................................................374
Traffic on a dynamic VLAN does not get through the switch mesh................................................374
Port-based access control (802.1X)-related problems..........................................................................374
The switch does not receive a response to RADIUS authentication requests...................................375
The switch does not authenticate a client even though the RADIUS server is properly configured and
providing a response to the authentication request.........................................................................375
During RADIUS-authenticated client sessions, access to a VLAN on the port used for the client
sessions is lost............................................................................................................................375
The switch appears to be properly configured as a supplicant, but cannot gain access to the intended
authenticator port on the switch to which it is connected...............................................................375
The supplicant statistics listing shows multiple ports with the same authenticator MAC address......375
The show port-access authenticator <port-list> command shows one or more ports remain open
after they have been configured with control unauthorized............................................................375
RADIUS server fails to respond to a request for service, even though the server's IP address is correctly
configured in the switch..............................................................................................................376
Contents 17
The authorized MAC address on a port that is configured for both 802.1X and port security either
changes or is re-acquired after execution of aaa port-access authenticator <port-list>
initialize.....................................................................................................................................377
A trunked port configured for 802.1X is blocked..........................................................................377
QoS-related problems.......................................................................................................................377
Loss of communication when using VLAN-tagged traffic.............................................................377
Radius-related problems...................................................................................................................377
The switch does not receive a response to RADIUS authentication requests...................................377
RADIUS server fails to respond to a request for service, even though the server's IP address is correctly
configured in the switch..............................................................................................................377
MSTP and fast-uplink problems........................................................................................................378
Broadcast storms appearing in the network...................................................................................378
STP blocks a link in a VLAN even though there are no redundant links in that VLAN....................378
Fast-uplink troubleshooting.........................................................................................................378
SSH-related problems......................................................................................................................379
Switch access refused to a client..................................................................................................379
Executing IP SSH does not enable SSH on the switch...................................................................379
Switch does not detect a client's public key that does appear in the switch's public key file (show ip
client-public-key).......................................................................................................................379
An attempt to copy a client public-key file into the switch has failed and the switch lists one of the
following messages.....................................................................................................................379
Client ceases to respond ("hangs") during connection phase..........................................................379
TACACS-related problems...............................................................................................................380
Event Log..................................................................................................................................380
All users are locked out of access to the switch.............................................................................380
No communication between the switch and the TACACS+ server application.................................380
Access is denied even though the username/password pair is correct..............................................380
Unknown users allowed to login to the switch..............................................................................381
System allows fewer login attempts than specified in the switch configuration................................381
TimeP, SNTP, or Gateway problems..................................................................................................381
The switch cannot find the time server or the configured gateway..................................................381
VLAN-related problems...................................................................................................................381
Monitor port...............................................................................................................................381
None of the devices assigned to one or more VLANs on an 802.1Q-compliant switch are being
recognized.................................................................................................................................381
Link configured for multiple VLANs does not support traffic for one or more VLANs....................381
Duplicate MAC addresses across VLANs.....................................................................................382
Disabled overlapping subnet configuration...................................................................................382
Fan failure.......................................................................................................................................383
Mitigating flapping transceivers........................................................................................................384
Fault finder thresholds................................................................................................................385
Enabling fault finder using the CLI.........................................................................................385
Viewing transceiver information.............................................................................................................388
Viewing information about transceivers (CLI)....................................................................................389
MIB support....................................................................................................................................389
Viewing transceiver information.......................................................................................................389
Information displayed with the detail parameter............................................................................391
Viewing transceiver information for copper transceivers with VCT support.........................................394
18 HPE ArubaOS-Switch Management and Configuration Guide for RA.16.02
Testing the Cable........................................................................................................................394
Using the Event Log for troubleshooting switch problems........................................................................396
Event Log entries.............................................................................................................................396
Using the Menu...............................................................................................................................405
Using the CLI..................................................................................................................................406
Clearing Event Log entries...............................................................................................................406
Turning event numbering on.............................................................................................................407
Using log throttling to reduce duplicate Event Log and SNMP messages.............................................407
Log throttle periods....................................................................................................................407
Example: of event counter operation............................................................................................408
Reporting information about changes to the running configuration......................................................409
Debug/syslog operation.........................................................................................................................410
Debug/syslog messaging..................................................................................................................410
Hostname in syslog messages...........................................................................................................410
Logging origin-id.......................................................................................................................411
Viewing the identification of the syslog message sender................................................................413
SNMP MIB................................................................................................................................414
Debug/syslog destination devices......................................................................................................414
Debug/syslog configuration commands.............................................................................................414
Configuring debug/syslog operation..................................................................................................417
Viewing a debug/syslog configuration..........................................................................................418
Debug command..............................................................................................................................420
Debug messages.........................................................................................................................421
Filtering debug messages by debug type.......................................................................................423
Debug destinations.....................................................................................................................424
Logging command...........................................................................................................................425
Configuring a syslog server.........................................................................................................426
Deleting syslog addresses in the startup configuration..............................................................426
Verifying the deletion of a syslog server address......................................................................426
Blocking the messages sent to configured syslog servers from the currently configured debug
message type.........................................................................................................................427
Disabling syslog logging on the switch without deleting configured server addresses.................427
Sending logging messages using TCP.....................................................................................427
Disable LinkUp/Down Syslog messages based on port............................................................429
Adding a description for a Syslog server............................................................................................434
Adding a priority description............................................................................................................435
Configuring the severity level for Event Log messages sent to a syslog server......................................435
Configuring the system module used to select the Event Log messages sent to a syslog server.........436
Operating notes for debug and Syslog...............................................................................................436
Diagnostic tools....................................................................................................................................437
Port auto-negotiation........................................................................................................................437
Ping and link tests............................................................................................................................437
Ping test.....................................................................................................................................437
Link test.....................................................................................................................................437
Executing ping or link tests (WebAgent)......................................................................................437
Testing the path between the switch and another device on an IP network.......................................438
Halting a ping test.................................................................................................................439
Contents 19
Issuing single or multiple link tests..............................................................................................439
Tracing the route from the switch to a host address.............................................................................440
Halting an ongoing traceroute search...........................................................................................441
A low maxttl causes traceroute to halt before reaching the destination address................................441
If a network condition prevents traceroute from reaching the destination........................................442
Viewing switch configuration and operation............................................................................................442
Viewing the startup or running configuration file...............................................................................442
Viewing the configuration file (WebAgent)........................................................................................443
Viewing a summary of switch operational data...................................................................................443
Saving show tech command output to a text file............................................................................444
Customizing show tech command output.....................................................................................445
Viewing more information on switch operation..................................................................................446
Searching for text using pattern matching with show command.....................................................447
Displaying the information you need to diagnose problems.................................................................449
Restoring the factory-default configuration.............................................................................................450
Resetting to the factory-default configuration.....................................................................................450
Using the CLI.............................................................................................................................450
Using Clear/Reset.......................................................................................................................451
Restoring a flash image.........................................................................................................................451
Recovering from an empty or corrupted flash state.............................................................................451
DNS resolver........................................................................................................................................453
Basic operation................................................................................................................................453
Configuring and using DNS resolution with DNS-compatible commands............................................455
Configuring a DNS entry..................................................................................................................455
Using DNS names with ping and traceroute: Example:.......................................................................456
Viewing the current DNS configuration.............................................................................................457
Operating notes................................................................................................................................458
Event Log messages.........................................................................................................................458
Locating a switch (Locator LED)...........................................................................................................458
Chapter 17 MAC Address Management.........................................................................460
Overview..............................................................................................................................................460
Determining MAC addresses..................................................................................................................460
Viewing the MAC addresses of connected devices...................................................................................460
Viewing the switch's MAC address assignments for VLANs configured on the switch...............................461
Viewing the port and VLAN MAC addresses.....................................................................................461
Chapter 18 Power-Saving Features.................................................................................463
Configuring the savepower LED option..................................................................................................463
Chapter 19 Job Scheduler................................................................................................464
Job Scheduler.......................................................................................................................................464
Commands...........................................................................................................................................464
Job at | delay | enable | disable.................................................................................464
Show job.........................................................................................................................................465
Show job <Name>...........................................................................................................................465
Chapter 20 Easing Wired/Wireless Deployment feature integration..............................467
Overview..............................................................................................................................................467
20 HPE ArubaOS-Switch Management and Configuration Guide for RA.16.02
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Aruba 2620 Installation guide
- Category
- Software
- Type
- Installation guide
- This manual is also suitable for
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