Dell PowerEdge M IO Aggregator User guide

Dell
Brand
Dell
Model
PowerEdge M IO Aggregator
Category
Software
Type
User guide
Dell PowerEdge Conguration Guide for the M I/O
Aggregator
9.7(0.0)
Notes, Cautions, and Warnings
NOTE: A NOTE indicates important information that helps you make better use of your computer.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
Copyright © 2015 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. Dell
™
and the Dell logo are trademarks of Dell Inc. in the United States and/or other jurisdictions. All other marks and names mentioned herein may be
trademarks of their respective companies.
2015 - 02
Rev. A00
Contents
1 About this Guide.............................................................................................................13
Audience........................................................................................................................................................................... 13
Conventions......................................................................................................................................................................13
Information Symbols..........................................................................................................................................................13
Related Documents...........................................................................................................................................................14
2 Before You Start............................................................................................................ 15
IOA Operational Modes..................................................................................................................................................... 15
Standalone mode........................................................................................................................................................ 15
VLT mode....................................................................................................................................................................15
Programmable MUX mode..........................................................................................................................................15
Stacking mode............................................................................................................................................................ 16
Default Settings................................................................................................................................................................ 16
Other Auto-Congured Settings....................................................................................................................................... 16
Data Center Bridging Support........................................................................................................................................... 17
FCoE Connectivity and FIP Snooping................................................................................................................................17
iSCSI Operation.................................................................................................................................................................17
Link Aggregation............................................................................................................................................................... 17
Link Tracking..................................................................................................................................................................... 18
Conguring VLANs........................................................................................................................................................... 18
Uplink LAG.................................................................................................................................................................. 18
Server-Facing LAGs....................................................................................................................................................18
Where to Go From Here....................................................................................................................................................18
3 Conguration Fundamentals......................................................................................... 20
Accessing the Command Line.......................................................................................................................................... 20
CLI Modes........................................................................................................................................................................20
Navigating CLI Modes.................................................................................................................................................21
The do Command.............................................................................................................................................................22
Undoing Commands.........................................................................................................................................................22
Obtaining Help..................................................................................................................................................................23
Entering and Editing Commands...................................................................................................................................... 23
Command History.............................................................................................................................................................24
Filtering show Command Outputs.................................................................................................................................... 24
Multiple Users in Conguration Mode...............................................................................................................................25
4 Data Center Bridging (DCB)..........................................................................................26
Supported Modes.............................................................................................................................................................26
Ethernet Enhancements in Data Center Bridging............................................................................................................. 26
Priority-Based Flow Control..............................................................................................................................................27
Conguring Priority-Based Flow Control.................................................................................................................... 28
Enhanced Transmission Selection.....................................................................................................................................30
3
Conguring Enhanced Transmission Selection.............................................................................................................31
Conguring DCB Maps and its Attributes..........................................................................................................................31
DCB Map: Conguration Procedure............................................................................................................................ 31
Important Points to Remember.................................................................................................................................. 32
Applying a DCB Map on a Port...................................................................................................................................32
Conguring PFC without a DCB Map.........................................................................................................................33
Conguring Lossless Queues......................................................................................................................................33
Data Center Bridging Exchange Protocol (DCBx).............................................................................................................34
Data Center Bridging in a Trac Flow.............................................................................................................................. 35
Enabling Data Center Bridging..........................................................................................................................................35
Data Center Bridging: Auto-DCB-Enable Mode................................................................................................................36
QoS dot1p Trac Classication and Queue Assignment................................................................................................... 37
How Priority-Based Flow Control is Implemented.............................................................................................................38
How Enhanced Transmission Selection is Implemented.................................................................................................... 39
ETS Operation with DCBx..........................................................................................................................................39
DCBx Operation............................................................................................................................................................... 40
DCBx Operation......................................................................................................................................................... 40
DCBx Port Roles........................................................................................................................................................ 40
DCB Conguration Exchange......................................................................................................................................41
Conguration Source Election.................................................................................................................................... 42
Propagation of DCB Information.................................................................................................................................42
Auto-Detection of the DCBx Version..........................................................................................................................42
DCBx Example............................................................................................................................................................43
DCBx Prerequisites and Restrictions.......................................................................................................................... 44
DCBx Error Messages................................................................................................................................................ 44
Debugging DCBx on an Interface............................................................................................................................... 44
Verifying the DCB Conguration...................................................................................................................................... 45
Hierarchical Scheduling in ETS Output Policies................................................................................................................ 53
Troubleshooting PFC, ETS, and DCBx Operation..............................................................................................................54
5 Dynamic Host Conguration Protocol (DHCP)............................................................. 56
Supported Modes............................................................................................................................................................ 56
Assigning an IP Address using DHCP............................................................................................................................... 56
Debugging DHCP Client Operation...................................................................................................................................57
DHCP Client.....................................................................................................................................................................59
How DHCP Client is Implemented....................................................................................................................................60
DHCP Client on a Management Interface........................................................................................................................ 60
DHCP Client on a VLAN....................................................................................................................................................61
DHCP Packet Format and Options....................................................................................................................................61
Option 82......................................................................................................................................................................... 62
Releasing and Renewing DHCP-based IP Addresses........................................................................................................63
Viewing DHCP Statistics and Lease Information...............................................................................................................63
6 FIP Snooping................................................................................................................ 65
Supported Modes............................................................................................................................................................ 65
Fibre Channel over Ethernet............................................................................................................................................ 65
4
Ensuring Robustness in a Converged Ethernet Network..................................................................................................65
FIP Snooping on Ethernet Bridges................................................................................................................................... 66
How FIP Snooping is Implemented................................................................................................................................... 68
FIP Snooping on VLANs............................................................................................................................................. 68
FC-MAP Value........................................................................................................................................................... 68
Bridge-to-FCF Links...................................................................................................................................................68
Impact on other Software Features............................................................................................................................68
FIP Snooping Prerequisites.........................................................................................................................................69
FIP Snooping Restrictions.......................................................................................................................................... 69
Conguring FIP Snooping.................................................................................................................................................69
Displaying FIP Snooping Information.................................................................................................................................70
FIP Snooping Example......................................................................................................................................................75
Debugging FIP Snooping ................................................................................................................................................. 76
7 Internet Group Management Protocol (IGMP)...............................................................77
IGMP Overview................................................................................................................................................................ 77
IGMP Version 2.................................................................................................................................................................77
Joining a Multicast Group........................................................................................................................................... 77
Leaving a Multicast Group.......................................................................................................................................... 78
IGMP Version 3................................................................................................................................................................ 78
Joining and Filtering Groups and Sources......................................................................................................................... 79
Leaving and Staying in Groups..........................................................................................................................................80
IGMP Snooping................................................................................................................................................................80
How IGMP Snooping is Implemented on an Aggregator...................................................................................................80
Disabling Multicast Flooding..............................................................................................................................................81
Displaying IGMP Information............................................................................................................................................. 81
8 Interfaces......................................................................................................................83
Basic Interface Conguration........................................................................................................................................... 83
Advanced Interface Conguration....................................................................................................................................83
Interface Auto-Conguration............................................................................................................................................83
Interface Types.................................................................................................................................................................84
Viewing Interface Information...........................................................................................................................................84
Disabling and Re-enabling a Physical Interface.................................................................................................................85
Layer 2 Mode................................................................................................................................................................... 86
Management Interfaces................................................................................................................................................... 86
Accessing an Aggregator............................................................................................................................................86
Conguring a Management Interface......................................................................................................................... 87
Conguring a Static Route for a Management Interface.............................................................................................87
VLAN Membership...........................................................................................................................................................88
Default VLAN ............................................................................................................................................................ 88
Port-Based VLANs.....................................................................................................................................................88
VLANs and Port Tagging............................................................................................................................................ 89
Conguring VLAN Membership..................................................................................................................................89
Displaying VLAN Membership.................................................................................................................................... 90
Adding an Interface to a Tagged VLAN...................................................................................................................... 90
5
Adding an Interface to an Untagged VLAN................................................................................................................. 91
VLAN Conguration on Physical Ports and Port-Channels..........................................................................................91
Port Channel Interfaces....................................................................................................................................................93
Port Channel Denitions and Standards..................................................................................................................... 93
Port Channel Benets................................................................................................................................................ 93
Port Channel Implementation..................................................................................................................................... 93
1GbE and 10GbE Interfaces in Port Channels............................................................................................................. 94
Uplink Port Channel: VLAN Membership....................................................................................................................94
Server-Facing Port Channel: VLAN Membership....................................................................................................... 94
Displaying Port Channel Information...........................................................................................................................94
Interface Range................................................................................................................................................................96
Bulk Conguration Examples......................................................................................................................................96
Monitor and Maintain Interfaces.......................................................................................................................................97
Maintenance Using TDR.............................................................................................................................................98
Flow Control Using Ethernet Pause Frames..................................................................................................................... 98
Enabling Pause Frames.................................................................................................................................................... 99
MTU Size......................................................................................................................................................................... 99
Auto-Negotiation on Ethernet Interfaces........................................................................................................................100
Setting Auto-Negotiation Options.............................................................................................................................102
Viewing Interface Information......................................................................................................................................... 103
Clearing Interface Counters...................................................................................................................................... 103
Enabling the Management Address TLV on All Interfaces of an Aggregator....................................................................104
Enhanced Validation of Interface Ranges........................................................................................................................104
Enhanced Control of Remote Fault Indication Processing...............................................................................................104
9 iSCSI Optimization...................................................................................................... 105
Supported Modes...........................................................................................................................................................105
iSCSI Optimization Overview..........................................................................................................................................105
Monitoring iSCSI Trac Flows........................................................................................................................................ 106
Information Monitored in iSCSI Trac Flows.................................................................................................................. 106
Detection and Auto conguration for Dell EqualLogic Arrays...........................................................................................107
iSCSI Optimization: Operation.........................................................................................................................................107
Displaying iSCSI Optimization Information.......................................................................................................................107
10 Isolated Networks for Aggregators.............................................................................109
Conguring and Verifying Isolated Network Settings...................................................................................................... 109
11 Link Aggregation..........................................................................................................110
Supported Modes............................................................................................................................................................110
How the LACP is Implemented on an Aggregator............................................................................................................110
Uplink LAG................................................................................................................................................................. 111
Server-Facing LAGs................................................................................................................................................... 111
LACP Modes.............................................................................................................................................................. 111
Auto-Congured LACP Timeout.................................................................................................................................111
LACP Example.................................................................................................................................................................112
Link Aggregation Control Protocol (LACP)...................................................................................................................... 112
6
Conguration Tasks for Port Channel Interfaces........................................................................................................113
Creating a Port Channel............................................................................................................................................ 113
Adding a Physical Interface to a Port Channel........................................................................................................... 113
Reassigning an Interface to a New Port Channel.......................................................................................................115
Conguring the Minimum Oper Up Links in a Port Channel....................................................................................... 116
Conguring VLAN Tags for Member Interfaces......................................................................................................... 116
Deleting or Disabling a Port Channel.......................................................................................................................... 117
Conguring Auto LAG......................................................................................................................................................117
Conguring the Minimum Number of Links to be Up for Uplink LAGs to be Active..........................................................119
Optimizing Trac Disruption Over LAG Interfaces On IOA Switches in VLT Mode..........................................................120
Preserving LAG and Port Channel Settings in Nonvolatile Storage................................................................................. 120
Enabling the Verication of Member Links Utilization in a LAG Bundle............................................................................120
Monitoring the Member Links of a LAG Bundle.............................................................................................................. 120
Verifying LACP Operation and LAG Conguration........................................................................................................... 121
Multiple Uplink LAGs.......................................................................................................................................................124
Multiple Uplink LAGs with 10G Member Ports................................................................................................................ 125
................................................................................................................................................................................. 125
Multiple Uplink LAGs with 40G Member Ports................................................................................................................126
................................................................................................................................................................................. 126
12 Layer 2....................................................................................................................... 128
Supported Modes........................................................................................................................................................... 128
Managing the MAC Address Table.................................................................................................................................. 128
Clearing the MAC Address Entries............................................................................................................................128
Displaying the MAC Address Table............................................................................................................................ 129
Network Interface Controller (NIC) Teaming...................................................................................................................129
MAC Address Station Move......................................................................................................................................130
MAC Move Optimization........................................................................................................................................... 131
13 Link Layer Discovery Protocol (LLDP)........................................................................ 132
Supported Modes........................................................................................................................................................... 132
Protocol Data Units.........................................................................................................................................................132
Congure LLDP.............................................................................................................................................................. 133
Related Conguration Tasks......................................................................................................................................133
Important Points to Remember.................................................................................................................................133
CONFIGURATION versus INTERFACE Congurations....................................................................................................134
Enabling LLDP................................................................................................................................................................ 134
Disabling and Undoing LLDP..................................................................................................................................... 134
Advertising TLVs.............................................................................................................................................................135
Optional TLVs................................................................................................................................................................. 136
Management TLVs....................................................................................................................................................136
IEEE Organizationally Specic TLVs..........................................................................................................................136
LLDP-MED Capabilities TLV......................................................................................................................................138
LLDP-MED Network Policies TLV.............................................................................................................................138
Extended Power via MDI TLV................................................................................................................................... 139
LLDP Operation.............................................................................................................................................................. 140
7
Viewing the LLDP Conguration.....................................................................................................................................140
Viewing Information Advertised by Adjacent LLDP Agents.............................................................................................. 141
Conguring LLDPDU Intervals........................................................................................................................................ 142
Conguring a Time to Live.............................................................................................................................................. 142
Clearing LLDP Counters..................................................................................................................................................143
Debugging LLDP.............................................................................................................................................................143
Relevant Management Objects.......................................................................................................................................144
14 Port Monitoring..........................................................................................................149
Supported Modes...........................................................................................................................................................149
Conguring Port Monitoring........................................................................................................................................... 149
Important Points to Remember.......................................................................................................................................150
Port Monitoring............................................................................................................................................................... 151
15 Security..................................................................................................................... 153
Supported Modes...........................................................................................................................................................153
Understanding Banner Settings...................................................................................................................................... 153
Accessing the I/O Aggregator Using the CMC Console Only..........................................................................................153
AAA Authentication........................................................................................................................................................ 153
Conguration Task List for AAA Authentication........................................................................................................ 154
AAA Authorization.......................................................................................................................................................... 156
Privilege Levels Overview......................................................................................................................................... 156
Conguration Task List for Privilege Levels...............................................................................................................156
RADIUS.......................................................................................................................................................................... 160
RADIUS Authentication.............................................................................................................................................160
Conguration Task List for RADIUS........................................................................................................................... 161
TACACS+....................................................................................................................................................................... 163
Conguration Task List for TACACS+....................................................................................................................... 163
TACACS+ Remote Authentication............................................................................................................................ 165
Enabling SCP and SSH................................................................................................................................................... 166
Using SCP with SSH to Copy a Software Image.......................................................................................................167
Secure Shell Authentication...................................................................................................................................... 167
Troubleshooting SSH................................................................................................................................................ 169
Telnet..............................................................................................................................................................................170
VTY Line and Access-Class Conguration.......................................................................................................................170
VTY Line Local Authentication and Authorization......................................................................................................170
VTY Line Remote Authentication and Authorization.................................................................................................. 171
VTY MAC-SA Filter Support...................................................................................................................................... 171
16 Simple Network Management Protocol (SNMP)........................................................ 172
Supported Modes........................................................................................................................................................... 172
Implementation Information.............................................................................................................................................172
Conguring the Simple Network Management Protocol................................................................................................. 172
Important Points to Remember................................................................................................................................. 172
Setting up SNMP......................................................................................................................................................172
Creating a Community.............................................................................................................................................. 172
8
Reading Managed Object Values.....................................................................................................................................173
Displaying the Ports in a VLAN using SNMP................................................................................................................... 174
Fetching Dynamic MAC Entries using SNMP..................................................................................................................175
Deriving Interface Indices................................................................................................................................................176
Monitor Port-Channels....................................................................................................................................................177
Entity MIBS.....................................................................................................................................................................178
Example of Sample Entity MIBS outputs...................................................................................................................178
SNMP Traps for Link Status........................................................................................................................................... 180
Standard VLAN MIB....................................................................................................................................................... 180
Enhancements..........................................................................................................................................................180
Fetching the Switchport Conguration and the Logical Interface Conguration ...................................................... 180
MIB Support to Display the Available Memory Size on Flash............................................................................................181
Viewing the Available Flash Memory Size.................................................................................................................. 181
MIB Support to Display the Software Core Files Generated by the System..................................................................... 181
Viewing the Software Core Files Generated by the System...................................................................................... 182
17 Stacking..................................................................................................................... 183
Supported Modes........................................................................................................................................................... 183
Stacking Aggregators......................................................................................................................................................183
Stack Management Roles......................................................................................................................................... 184
Stack Master Election...............................................................................................................................................185
Failover Roles............................................................................................................................................................185
MAC Addressing.......................................................................................................................................................185
Stacking LAG............................................................................................................................................................186
Stacking VLANs........................................................................................................................................................186
Stacking Port Numbers...................................................................................................................................................187
Stacking in PMUX Mode.................................................................................................................................................188
................................................................................................................................................................................. 188
Conguring a Switch Stack.............................................................................................................................................188
Stacking Prerequisites...............................................................................................................................................188
Master Selection Criteria.......................................................................................................................................... 189
Conguring Priority and stack-group........................................................................................................................ 189
Cabling Stacked Switches.........................................................................................................................................190
Accessing the CLI.....................................................................................................................................................190
Conguring and Bringing Up a Stack........................................................................................................................ 190
Adding a Stack Unit................................................................................................................................................... 191
Resetting a Unit on a Stack...................................................................................................................................... 192
Removing an Aggregator from a Stack and Restoring Quad Mode........................................................................... 192
Conguring the Uplink Speed of Interfaces as 40 Gigabit Ethernet................................................................................ 192
Merging Two Operational Stacks.................................................................................................................................... 194
Verifying a Stack Conguration.......................................................................................................................................194
Using Show Commands............................................................................................................................................194
Troubleshooting a Switch Stack......................................................................................................................................196
Failure Scenarios.......................................................................................................................................................198
Upgrading a Switch Stack...............................................................................................................................................199
Upgrading a Single Stack Unit........................................................................................................................................200
9
18 Broadcast Storm Control........................................................................................... 202
Supported Modes.......................................................................................................................................................... 202
Disabling Broadcast Storm Control.................................................................................................................................202
Displaying Broadcast-Storm Control Status................................................................................................................... 202
Conguring Storm Control............................................................................................................................................. 202
19 System Time and Date............................................................................................... 203
Supported Modes.......................................................................................................................................................... 203
Setting the Time for the Software Clock........................................................................................................................203
Setting the Timezone.....................................................................................................................................................203
Setting Daylight Savings Time........................................................................................................................................204
Setting Daylight Saving Time Once..........................................................................................................................204
Setting Recurring Daylight Saving Time................................................................................................................... 204
20 Uplink Failure Detection (UFD)..................................................................................206
Supported Modes.......................................................................................................................................................... 206
Feature Description........................................................................................................................................................206
How Uplink Failure Detection Works...............................................................................................................................207
UFD and NIC Teaming....................................................................................................................................................208
Important Points to Remember......................................................................................................................................209
Uplink Failure Detection (SMUX mode)..........................................................................................................................209
Conguring Uplink Failure Detection (PMUX mode)....................................................................................................... 210
Clearing a UFD-Disabled Interface (in PMUX mode)....................................................................................................... 211
Displaying Uplink Failure Detection..................................................................................................................................212
Sample Conguration: Uplink Failure Detection...............................................................................................................214
21 PMUX Mode of the IO Aggregator............................................................................. 216
I/O Aggregator (IOA) Programmable MUX (PMUX) Mode.............................................................................................216
Conguring and Changing to PMUX Mode.....................................................................................................................216
Conguring the Commands without a Separate User Account....................................................................................... 217
Virtual Link Trunking (VLT)..............................................................................................................................................217
Overview...................................................................................................................................................................217
Setting up VLT..........................................................................................................................................................218
Virtual Link Trunking (VLT) in PMUX Mode...............................................................................................................219
VLT Terminology....................................................................................................................................................... 221
Congure Virtual Link Trunking................................................................................................................................. 221
Verifying a VLT Conguration...................................................................................................................................225
Additional VLT Sample Congurations......................................................................................................................228
Troubleshooting VLT.................................................................................................................................................229
22 FC Flex IO Modules....................................................................................................231
FC Flex IO Modules.........................................................................................................................................................231
Understanding and Working of the FC Flex IO Modules..................................................................................................231
FC Flex IO Modules Overview...................................................................................................................................231
FC Flex IO Module Capabilities and Operations........................................................................................................ 232
10
Guidelines for Working with FC Flex IO Modules...................................................................................................... 233
Processing of Data Trac........................................................................................................................................ 235
Installing and Conguring the Switch....................................................................................................................... 235
Interconnectivity of FC Flex IO Modules with Cisco MDS Switches......................................................................... 237
Fibre Channel over Ethernet for FC Flex IO Modules..................................................................................................... 239
23 FC FLEXIO FPORT....................................................................................................240
FC FLEXIO FPORT........................................................................................................................................................ 240
Conguring Switch Mode to FCF Port Mode.................................................................................................................240
Name Server...................................................................................................................................................................241
FCoE Maps..................................................................................................................................................................... 241
Creating an FCoE Map...................................................................................................................................................242
Zoning............................................................................................................................................................................ 243
Creating Zone and Adding Members.............................................................................................................................. 243
Creating Zone Alias and Adding Members...................................................................................................................... 244
Creating Zonesets.......................................................................................................................................................... 244
Activating a Zoneset.......................................................................................................................................................244
Displaying the Fabric Parameters................................................................................................................................... 245
24 NPIV Proxy Gateway................................................................................................. 248
Supported Modes.......................................................................................................................................................... 248
NPIV Proxy Gateway Conguration................................................................................................................................248
NPIV Proxy Gateway Operations and Capabilities.......................................................................................................... 248
NPIV Proxy Gateway Operation .............................................................................................................................. 248
NPIV Proxy Gateway: Protocol Services.................................................................................................................. 249
NPIV Proxy Gateway Functionality...........................................................................................................................249
NPIV Proxy Gateway: Terms and Denitions............................................................................................................ 249
Conguring an NPIV Proxy Gateway...............................................................................................................................251
Enabling Fibre Channel Capability on the Switch......................................................................................................252
Creating a DCB Map ............................................................................................................................................... 252
Applying a DCB Map on Server-facing Ethernet Ports ............................................................................................253
Creating an FCoE VLAN...........................................................................................................................................254
Creating an FCoE Map ............................................................................................................................................254
Applying an FCoE Map on Server-facing Ethernet Ports......................................................................................... 255
Applying an FCoE Map on Fabric-facing FC Ports................................................................................................... 256
Sample Conguration...............................................................................................................................................256
Displaying NPIV Proxy Gateway Information...................................................................................................................257
show interfaces status Command Example..............................................................................................................258
show fcoe-map Command Examples ...................................................................................................................... 258
show qos dcb-map Command Examples .................................................................................................................259
show npiv devices brief Command Example............................................................................................................ 260
show npiv devices Command Example .................................................................................................................... 261
show fc switch Command Example .........................................................................................................................262
25 Upgrade Procedures..................................................................................................263
Get Help with Upgrades.................................................................................................................................................263
11
26 Debugging and Diagnostics....................................................................................... 264
Supported Modes.......................................................................................................................................................... 264
Debugging Aggregator Operation...................................................................................................................................264
All interfaces on the Aggregator are operationally down...........................................................................................264
Broadcast, unknown multicast, and DLF packets switched at a very low rate..........................................................265
Flooded packets on all VLANs are received on a server........................................................................................... 265
Software show Commands............................................................................................................................................266
Oine Diagnostics..........................................................................................................................................................267
Important Points to Remember................................................................................................................................ 267
Running Oine Diagnostics......................................................................................................................................268
Trace Logs......................................................................................................................................................................268
Auto Save on Crash or Rollover................................................................................................................................269
Using the Show Hardware Commands...........................................................................................................................269
Environmental Monitoring...............................................................................................................................................270
Recognize an Over-Temperature Condition............................................................................................................... 271
Troubleshoot an Over-Temperature Condition...........................................................................................................272
Recognize an Under-Voltage Condition.................................................................................................................... 272
Troubleshoot an Under-Voltage Condition................................................................................................................ 273
Buer Tuning..................................................................................................................................................................273
Deciding to Tune Buers.......................................................................................................................................... 274
Sample Buer Prole Conguration..........................................................................................................................277
Troubleshooting Packet Loss.......................................................................................................................................... 278
Displaying Drop Counters......................................................................................................................................... 278
Dataplane Statistics..................................................................................................................................................279
Displaying Stack Port Statistics................................................................................................................................280
Restoring the Factory Default Settings.......................................................................................................................... 280
Important Points to Remember.................................................................................................................................281
27 Standards Compliance...............................................................................................282
IEEE Compliance............................................................................................................................................................ 282
RFC and I-D Compliance................................................................................................................................................282
General Internet Protocols........................................................................................................................................283
General IPv4 Protocols.............................................................................................................................................283
Network Management............................................................................................................................................. 284
MIB Location..................................................................................................................................................................286
12
1
About this Guide
This guide describes the supported protocols and software features, and provides conguration instructions and examples, for the
Dell Networking M I/O Aggregator running Dell Networking OS version 9.7(0.0).
The MI/O Aggregator is installed in a Dell PowerEdge M I/O Aggregator. For information about how to install and perform the initial
switch conguration, refer to the
Getting Started Guides on the Dell Support website at http://www.dell.com/support/manuals
Though this guide contains information about protocols, it is not intended to be a complete reference. This guide is a reference for
conguring protocols on Dell Networking systems. For complete information about protocols, refer to other documentation, including
IETF requests for comment (RFCs). The instructions in this guide cite relevant RFCs, and Standards Compliance contains a
complete list of the supported RFCs and management information base les (MIBs).
NOTE: You can perform some of the conguration tasks described in this document by using either the Dell command
line or the chassis management controller (CMC) graphical interface. Tasks supported by the CMC interface are shown
with the CMC icon: CMC
Audience
This document is intended for system administrators who are responsible for conguring and maintaining networks and assumes
knowledge in Layer 2 and Layer 3 networking technologies.
Conventions
This guide uses the following conventions to describe command syntax.
Keyword
Keywords are in Courier (a monospaced font) and must be entered in the CLI as listed.
parameter Parameters are in italics and require a number or word to be entered in the CLI.
{X} Keywords and parameters within braces must be entered in the CLI.
[X] Keywords and parameters within brackets are optional.
x|y Keywords and parameters separated by a bar require you to choose one option.
x||y Keywords and parameters separated by a double bar allows you to choose any or all of the options.
Information Symbols
This book uses the following information symbols.
NOTE: The Note icon signals important operational information.
CAUTION: The Caution icon signals information about situations that could result in equipment damage or loss of data.
WARNING: The Warning icon signals information about hardware handling that could result in injury.
* (Exception). This symbol is a note associated with additional text on the page that is marked with an asterisk.
About this Guide
13
Related Documents
For more information about the Dell PowerEdge M I/O Aggregator MXL 10/40GbE Switch IO Module, refer to the following
documents:
• Dell Networking OS Command Line Reference Guide for the M I/O Aggregator
• Dell Networking OS Getting Started Guide for the M I/O Aggregator
• Release Notes for the M I/O Aggregator
14
About this Guide
2
Before You Start
To install the Aggregator in a Dell PowerEdge M1000e Enclosure, use the instructions in the Dell PowerEdge M I/O Aggregator
Getting Started Guide that is shipped with the product.The I/O Aggregator (also known as Aggregator) installs with zero-touch
conguration. After you power it on, an Aggregator boots up with default settings and auto-congures with software features
enabled. This chapter describes the default settings and software features that are automatically congured at startup. To
recongure the Aggregator for customized network operation, use the tasks described in the other chapters.
IOA Operational Modes
IOA supports four operational modes. Select the operational mode that meets your deployment needs. To enable a new operational
mode, reload the switch.
Standalone mode
stack-unit unit iom-mode standalone
CONFIGURATION mode
Dell(conf)#stack-unit 0 iom-mode standalone
This is the default mode for IOA. It is a fully automated zero-touch mode that allows you to congure VLAN memberships.
(Supported in CMC)
VLT mode
stack-unit unit iom-mode vlt
CONFIGURATION mode
Dell(conf)#stack-unit 0 iom-mode vlt
Select this mode to multi-home server interfaces to dierent IOA modules. This is a low-touch mode where all conguration except
VLAN membership is automated. To enable VLAN, you must congure the VLANs at the server port level. In this mode, port 9 link,
which is associated with LAG-127, is dedicated to VLT interconnect.
Programmable MUX mode
stack-unit unit iom-mode programmable-mux
CONFIGURATION mode
Dell(conf)#stack-unit 0 iom-mode programmable-mux
Select this mode to congure PMUX mode CLI commands.
For more information on the PMUX mode, refer to PMUX Mode of the IO Aggregator.
Before You Start
15
Stacking mode
stack-unit unit iom-mode stack
CONFIGURATION mode
Dell(conf)#stack-unit 0 iom-mode stack
Select this mode to congure Stacking mode CLI commands.
For more information on the Stacking mode, refer to Stacking.
Default Settings
The I/O Aggregator provides zero-touch conguration with the following default conguration settings:
• default user name (root)
• password (calvin)
• VLAN (vlan1) and IP address for in-band management (DHCP)
• IP address for out-of-band (OOB) management (DHCP)
• read-only SNMP community name (public)
• broadcast storm control (enabled in Standalone mode and disabled in VLT mode)
• IGMP multicast ooding (enabled)
• VLAN conguration (in Standalone mode, all ports belong to all VLANs)
You can change any of these default settings using the CLI. Refer to the appropriate chapter for details.
NOTE: You can also change many of the default settings using the chassis management controller (CMC) interface. For
information about how to access the CMC to congure the aggregator, refer to the
Dell Chassis Management Controller
(CMC) User’s Guide
on the Dell Support website at http://support.dell.com/
Other Auto-Congured Settings
After the Aggregator powers on, it auto-congures and is operational with software features enabled, including:
• Ports: Ports are administratively up and auto-congured to operate as hybrid ports to transmit tagged and untagged VLAN
trac.
Ports 1 to 32 are internal server-facing ports, which can operate in 10GbE mode. Ports 33 to 56 are external ports auto-
congured to operate by default as follows:
– The base-module ports operate in standalone 4x10GbE mode. You can congure these ports to operate in 40GbE stacking
mode. When congured for stacking, you cannot use 40GbE base-module ports for uplinks.
– Ports on the 2-Port 40-GbE QSFP+ module operate only in 4x10GbE mode. You cannot use them for stacking.
– Ports on the 4-Port 10-GbE SFP+ and 4-Port 10GBASE-T modules operate only in 10GbE mode.
For more information about how ports are numbered, refer to Port Numbering.
• Link aggregation: All uplink ports are congured in a single LAG (LAG 128).
• VLANs: All ports are congured as members of all (4094) VLANs. All VLANs are up and can send or receive layer 2 trac. For
more information, refer to VLAN Membership.
• Data center bridging capability exchange protocol (DCBx): Server-facing ports auto-congure in auto-downstream port roles;
uplink ports auto-congure in auto-upstream port roles.
• Fibre Channel over Ethernet (FCoE) connectivity and FCoE initiation protocol (FIP) snooping: The uplink port channel (LAG 128)
is enabled to operate in Fibre channel forwarder (FCF) port mode.
• Link layer discovery protocol (LLDP): Enabled on all ports to advertise management TLV and system name with neighboring
devices.
16
Before You Start
• Internet small computer system interface (iSCSI)optimization.
• Internet group management protocol (IGMP) snooping.
• Jumbo frames: Ports are set to a maximum MTU of 12,000 bytes by default.
• Link tracking: Uplink-state group 1 is automatically congured. In uplink state-group 1, server-facing ports auto-congure as
downstream interfaces; the uplink port-channel (LAG 128) auto-congures as an upstream interface. Server-facing links are
auto-congured to be brought up only if the uplink port-channel is up.
• In VLT mode, port 9 is automatically congured as VLT interconnect ports. VLT domain conguration is automatic. This includes
peer-link, congured MAC, backup link and setting every port channel as VLT port-channel.
Data Center Bridging Support
To eliminate packet loss and provision links with required bandwidth, Data Center Bridging (DCB) enhancements for data center
networks are supported.
The aggregator provides zero-touch conguration for DCB. The aggregator auto-congures DCBX port roles as follows:
• Server-facing ports are congured as auto-downstream interfaces.
• Uplink ports are congured as auto-upstream interfaces.
In operation, DCBx auto-congures uplink ports to match the DCB conguration in the ToR switches to which they connect.
The Aggregator supports DCB only in standalone mode.
FCoE Connectivity and FIP Snooping
Many data centers use Fiber Channel (FC) in storage area networks (SANs). Fiber Channel over Ethernet (FCoE) encapsulates Fiber
Channel frames over Ethernet networks.
On an Aggregator, the internal ports support FCoE connectivity and connects to the converged network adapter (CNA) in servers.
FCoE allows Fiber Channel to use 10-Gigabit Ethernet networks while preserving the Fiber Channel protocol.
The Aggregator also provides zero-touch conguration for FCoE connectivity. The Aggregator auto-congures to match the FCoE
settings used in the switches to which it connects through its uplink ports.
FIP snooping is automatically congured on an Aggregator. The auto-congured port channel (LAG 128) operates in FCF port mode.
iSCSI Operation
Support for iSCSI trac is turned on by default when the Aggregator powers up. No conguration is required.
When an aggregator powers up, it monitors known TCP ports for iSCSI storage devices on all interfaces. When a session is detected,
an entry is created and monitored as long as the session is active.
The Aggregator also detects iSCSI storage devices on all interfaces and autocongures to optimize performance. Performance
optimization operations, such as Jumbo frame size support and disabling storm control on interfaces connected to an iSCSI
equallogic (EQL) storage device, are applied automatically.
Link Aggregation
All uplink ports are congured in a single LAG (LAG 128). Server-facing ports are auto-congured as part of link aggregation groups if
the corresponding server is congured for LACP-based network interface controller (NIC) teaming. Static LAGs are not supported.
NOTE: The recommended LACP timeout is Long-Timeout mode.
Before You Start
17
Link Tracking
By default, all server-facing ports are tracked by the operational status of the uplink LAG. If the uplink LAG goes down, the
aggregator loses its connectivity and is no longer operational; all server-facing ports are brought down after the specied defer-timer
interval, which is 10 seconds by default. If you have congured VLAN, you can reduce the defer time by changing the defer-timer
value or remove it by using the
no defer-timer command.
NOTE: If installed servers do not have connectivity to a switch, check the Link Status LED of uplink ports on the
aggregator. If all LEDs are on, to ensure the LACP is correctly congured, check the LACP conguration on the ToR
switch that is connected to the aggregator .
Conguring VLANs
By default, in Standalone mode, all aggregator ports belong to all 4094 VLANs and are members of untagged VLAN 1. To congure
only the required VLANs on a port, use the CLI or CMC interface.
You can congure VLANs only on server ports. The uplink LAG will automatically get the VLANs, based on the server ports VLAN
conguration.
When you congure VLANs on server-facing interfaces (ports from 1 to 32), you can assign VLANs to a port or a range of ports by
entering the vlan tagged or vlan untagged commands in Interface Conguration mode; for example:
Dell(conf)# interface range tengigabitethernet 0/2 - 4
Dell(conf-if-range-te-0/2-4)# vlan tagged 5,7,10-12
Dell(conf-if-range-te-0/2-4)# vlan untagged 3
Uplink LAG
The tagged VLAN membership of the uplink LAG is automatically congured based on the VLAN conguration of all server-facing
ports (ports from 1 to 32).
The untagged VLAN used for the uplink LAG is always the default VLAN.
Server-Facing LAGs
The tagged VLAN membership of a server-facing LAG is automatically congured based on the server-facing ports that are
members of the LAG.
The untagged VLAN of a server-facing LAG is congured based on the untagged VLAN to which the lowest numbered server-facing
port in the LAG belongs.
NOTE: Dell Networking recommends conguring the same VLAN membership on all LAG member ports.
Where to Go From Here
You can customize the Aggregator for use in your data center network as necessary. To perform additional switch conguration, do
one of the following:
• For remote out-of-band management, enter the OOB management interface IP address into a Telnet or SSH client and log in to
the switch using the user ID and password to access the CLI.
• For local management using the CLI, use the attached console connection.
• For remote in-band management from a network management station, enter the IP address of the default VLAN and log in to
the switch to access the CLI.
In case of a Dell upgrade, you can check to see that an Aggregator is running the latest Dell version by entering the show
version
command. To download Dell version, go to http://support.dell.com
18
Before You Start
For detailed information about how to recongure specic software settings, refer to the appropriate chapter.
Before You Start
19
3
Conguration Fundamentals
The Dell Networking Operating System (OS) command line interface (CLI) is a text-based interface you can use to congure
interfaces and protocols.
The CLI is structured in modes for security and management purposes. Dierent sets of commands are available in each mode, and
you can limit user access to modes using privilege levels.
In Dell Networking OS, after you enable a command, it is entered into the running conguration le. You can view the current
conguration for the whole system or for a particular CLI mode. To save the current conguration, copy the running conguration to
another location. For more information, refer to Save the Running-Conguration.
NOTE: You can use the chassis management controller (CMC) out-of-band management interface to access and manage
an Aggregator using the Dell Networking OS command-line reference. For more information about how to access the
CMC to congure an Aggregator, refer to the Dell Chassis Management Controller (CMC) User’s Guide on the Dell
Support website at
http://support.dell.com/support/edocs/systems/pem/en/index.htm
.
Accessing the Command Line
Access the command line through a serial console port or a Telnet session (Logging into the System using Telnet). When the system
successfully boots, enter the command line in EXEC mode.
Logging into the System using Telnet
telnet 172.31.1.53
Trying 172.31.1.53...
Connected to 172.31.1.53.
Escape character is '^]'.
Login: username
Password:
Dell>
CLI Modes
Dierent sets of commands are available in each mode.
A command found in one mode cannot be executed from another mode (except for EXEC mode commands with a preceding do
command (refer to the do Command section).
The Dell Networking OS CLI is divided into three major mode levels:
• EXEC mode is the default mode and has a privilege level of 1, which is the most restricted level. Only a limited selection of
commands is available, notably the show commands, which allow you to view system information.
• EXEC Privilege mode has commands to view congurations, clear counters, manage conguration les, run diagnostics, and
enable or disable debug operations. The privilege level is 15, which is unrestricted. You can congure a password for this mode.
• CONFIGURATION mode allows you to congure security features, time settings, set logging and SNMP functions, congure
static ARP and MAC addresses, and set line cards on the system.
Beneath CONFIGURATION mode are submodes that apply to interfaces, protocols, and features. The following example shows the
submode command structure. Two sub-CONFIGURATION modes are important when conguring the chassis for the rst time:
• INTERFACE submode is the mode in which you congure Layer 2 protocols and IP services specic to an interface. An interface
can be physical (10 Gigabit Ethernet) or logical (Null, port channel, or virtual local area network [VLAN]).
20
Conguration Fundamentals
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Dell PowerEdge M IO Aggregator User guide

Dell
Brand
Dell
Model
PowerEdge M IO Aggregator
Category
Software
Type
User guide
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