Supermicro SSE-G2252P User manual

i

SSE-G2252 Switches

52-Port Layer 2 Gigabit Ethernet Switch

SSE-G2252P Switches

52-Port Layer 2 Gigabit Ethernet Switch with

48 PoE-Capable Ports

USER’S MANUAL

Revison 1.0b

SSE-G2252

SSE-G2252P

SSE-G2252/SSE-G2252P Switches USER’S MANUAL

ii

The information in this USER’S MANUAL has been carefully reviewed and is believed to be accurate. The

vendor assumes no responsibility for any inaccuracies that may be contained in this document, makes no

commitment to update or to keep current the information in this manual, or to notify any person or

organization of the updates. Please Note: For the most up-to-date version of this manual, please see

our web site at www.supermicro.com.

Super Micro Computer, Inc. (“Supermicro”) reserves the right to make changes to the product described

in this manual at any time and without notice. This product, including software, if any, and documentation

may not, in whole or in part, be copied, photocopied, reproduced, translated or reduced to any medium or

machine without prior written consent.

IN NO EVENT WILL SUPERMICRO BE LIABLE FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL,

SPECULATIVE OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OR INABILITY TO USE

THIS PRODUCT OR DOCUMENTATION, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH

DAMAGES. IN PARTICULAR, SUPERMICRO SHALL NOT HAVE LIABILITY FOR ANY HARDWARE,

SOFTWARE, OR DATA STORED OR USED WITH THE PRODUCT, INCLUDING THE COSTS OF

REPAIRING, REPLACING, INTEGRATING, INSTALLING OR RECOVERING SUCH HARDWARE,

SOFTWARE, OR DATA.

Any disputes arising between manufacturer and customer shall be governed by the laws of Santa Clara

County in the State of California, USA. The State of California, County of Santa Clara shall be the

exclusive venue for the resolution of any such disputes. Super Micro's total liability for all claims will not

exceed the price paid for the hardware product.

FCC Statement: This equipment has been tested and found to comply with the limits for a Class A digital

device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection

against harmful interference when the equipment is operated in a commercial environment. This

equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in

accordance with the manufacturer’s instruction manual, may cause harmful interference with radio

communications. Operation of this equipment in a residential area is likely to cause harmful interference,

in which case you will be required to correct the interference at your own expense.

California Best Management Practices Regulations for Perchlorate Materials: This Perchlorate warning

applies only to products containing CR (Manganese Dioxide) Lithium coin cells. Perchlorate

Material-special handling may apply. See www.dtsc.ca.gov/hazardouswaste/perchlorate for further

details.

Manual Revison 1.0b

Release Date: October 8, 2013

Unless you request and receive written permission from Super Micro Computer, Inc., you may not copy

any part of this document.

Information in this document is subject to change without notice. Other products and companies referred

to herein are trademarks or registered trademarks of their respective companies or mark holders.

Printed in the United States of America

WARNING: HANDLING OF LEAD SOLDER MATERIALS USED IN THIS

PRODUCT MAY EXPOSE YOU TO LEAD, A CHEMICAL KNOWN TO THE

STATE OF CALIFORNIA TO CAUSE BIRTH DEFECTS AND OTHER

REPRODUCTIVE HARM.

iii

Preface

About this Manual

This manual is written for professional system integrators, Information Technology

professionals, service personnel, technicians and network administrators who are

responsible for installing and setting up network equipment; consequently, it assumes a

basic working knowledge of LANs (Local Area Networks). It provides information for the

installation and use of Supermicro's SSE-G2252 and SSE-G2252P switches.

Installation and maintenance should be performed by experienced professionals only.

Glossary

Glossary Term Description

ACL

Access Control List. ACLs can limit network traffic and restrict access to

certain users or devices by checking each packet for certain IP or MAC

(i.e., Layer 2) information.

ARP

Address Resolution Protocol converts between IP addresses and MAC

(hardware) addresses. ARP is used to locate the MAC address

corresponding to a given IP address. This allows the switch to use IP

addresses for routing decisions and the corresponding MAC addresses to

forward packets from one hop to the next.

BOOTP

Boot Protocol. BOOTP i

s used to provide bootup information for network

devices, including IP address information, the address of the TFTP server

that contains the devices system files, and the name of the boot file.

CoS

Class of Service is supported by prioritizing packets based on the required

level of service, and then placing them in the appropriate output queue.

Data is transmitted from the queues using weighted round-robin service to

enforce priority service and prevent blockage of lower-level queues.

Priority may be set according to the port default, the packet’s priority bit (in

the VLAN tag), TCP/UDP port number, IP Precedence bit, or DSCP priority

bit.

DHCP

Dynamic Host Control Protocol. Provides a framework for passing

configuration information to hosts on a TCP/IP network. DHCP is based on

the Bootstrap Protocol (BOOTP), adding the capability of automatic

allocation of reusable network addresses and additional configuration

options.

DHCP Snooping

A technique used to enhance network security by snooping on DHCP

server messages to track the physical location of hosts, ensure that hosts

only use the IP addresses assigned to them, and ensure that only

authorized DHCP servers are accessible.

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DiffServ

Differentiated Services provides quality of service on large networks by

employing a well-defined set of building blocks from which a variety of

aggregate forwarding behaviors may be built. Each packet carries

information (DS byte) used by each hop to give it a particular forwarding

treatment, or per-hop behavior, at each network node. DiffServ allocates

different levels of service to users on the network with mechanisms such

as traffic meters, shapers/droppers, packet markers at the boundaries of

the network.

DNS

Domain Name Service. A system used for translating host names for

network nodes into IP addresses.

DSCP

Differentiated Services Code Point Service. DSCP uses a six-bit tag to

provide for up to 64 different forwarding behaviors. Based on network

policies, different kinds of traffic can be marked for different kinds of

forwarding. The DSCP bits are mapped to the Class of Service categories,

and then into the output queues.

EAPOL

Extensible Authentication Protocol over LAN. EAPOL is a client

authentication protocol used by this switch to verify the network access

rights for any device that is plugged into the switch. A user name and

password is requested by the switch, and then passed to an authentication

server (e.g., RADIUS) for verification. EAPOL is implemented as part of

the IEEE 802.1X Port Authentication standard.

EUI

Extended Universal Identifier is an address format used by IPv6 to identify

the host portion of the network address. The interface identifier in EUI

compatible addresses is based on the link-layer (MAC) address of an

interface. Interface identifiers used in global unicast and other IPv6

address types are 64 bits long and may be constructed in the EUI-64

format. The modified EUI-64 format interface ID is derived from a 48-bit

link-layer address by inserting the hexadecimal number FFFE between the

upper three bytes (OUI field) and the lower 3 bytes (serial number) of the

link layer address. To ensure that the chosen address is from a unique

Ethernet MAC address, the 7th bit in the high-order byte is set to 1

(equivalent to the IEEE Global/Local bit) to indicate the uniqueness of the

48-bit address.

GARP

Generic Attribute Registration Protocol. GARP is a protocol that can be

used by endstations and switches to register and propagate multicast

group membership information in a switched environment so that multicast

data frames are propagated only to those parts of a switched LAN

containing registered endstations. Formerly called Group Address

Registration Protocol.

GMRP

Generic Multicast Registration Protocol. GMRP allows network devices to

register end stations with multicast groups. GMRP requires that any

participating network devices or end stations comply with the IEEE 802.1p

standard.

GVRP

GARP VLAN Registration Protocol. Defines a way for switches to

exchange VLAN information in order to register necessary VLAN members

on ports along the Spanning Tree so that VLANs defined in each switch

can work automatically over a Spanning Tree network.

IEEE 802.1D

Specifies a general method for the operation of MAC bridges, including the

Spanning Tree Protocol.

Glossary Term Description

v

Preface

IEEE 802.1Q

VLAN Tagging—Defines Ethernet frame tags which carry VLAN

information. It allows switches to assign endstations to different virtual

LANs, and defines a standard way for VLANs to communicate across

switched networks.

IEEE 802.1p

An IEEE standard for providing quality of service (QoS) in Ethernet

networks. The standard uses packet tags that define up to eight traffic

classes and allows switches to transmit packets based on the tagged

priority value.

IEEE 802.1s

An IEEE standard for the Multiple Spanning Tree Protocol (MSTP) which

provides independent spanning trees for VLAN groups.

IEEE 802.1w

An IEEE standard for the Rapid Spanning Tree Protocol (RSTP) which

reduces the convergence time for network topology changes to about 10%

of that required by the older IEEE 802.1D STP standard. (Now

incorporated in IEEE 802.1D-2004)

IEEE 802.1X

Port Authentication controls access to the switch ports by requiring users

to first enter a user ID and password for authentication.

IEEE 802.3ac Defines frame extensions for VLAN tagging.

IEEE 802.3x

Defines Ethernet frame start/stop requests and timers used for flow control

on full-duplex links. (Now incorporated in IEEE 802.3-2002)

IGMP

Internet Group Management Protocol. A protocol through which hosts can

register with their local router for multicast services. If there is more than

one multicast switch/router on a given subnetwork, one of the devices is

made the “querier” and assumes responsibility for keeping track of group

membership.

IGMP Query

On each subnetwork, one IGMP-capable device will act as the querier —

that is, the device that asks all hosts to report on the IP multicast groups

they wish to join or to which they already belong. The elected querier will

be the device with the lowest IP address in the subnetwork.

IGMP Proxy

Proxies multicast group membership information onto the upstream

interface based on IGMP messages monitored on downstream interfaces,

and forwards multicast traffic based on that information. There is no need

for multicast routing protocols in an simple tree that uses IGMP Proxy.

IGMP Snooping

Listening to IGMP Query and IGMP Report packets transferred between IP

Multicast Routers and IP Multicast host groups to identify IP Multicast

group members.

In-Band Management Management of the network from a station attached directly to the network.

IP Multicast Filtering

A process whereby this switch can pass multicast traffic along to

participating hosts.

IP Precedence

The Type of Service (ToS) octet in the IPv4 header includes three

precedence bits defining eight different priority levels ranging from highest

priority for network control packets to lowest priority for routine traffic. The

eight values are mapped one-to-one to the Class of Service categories by

default, but may be configured differently to suit the requirements for

specific network applications.

LACP

Link Aggregation Control Protocol. Allows ports to automatically negotiate

a trunked link with LACP-configured ports on another device.

Layer 2

Data Link layer in the ISO 7-Layer Data Communications Protocol. This is

related directly to the hardware interface for network devices and passes

on traffic based on MAC addresses.

Glossary Term Description

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Link Aggregation See Port Trunk.

LLDP

Link Layer Discovery Protocol is used to discover basic information about

neighboring devices in the local broadcast domain by using periodic

broadcasts to advertise information such as device identification,

capabilities and configuration settings.

MD5

MD5 Message-Digest is an algorithm that is used to create digital

signatures. It is intended for use with 32 bit machines and is safer than the

MD4 algorithm, which has been broken. MD5 is a one-way hash function,

meaning that it takes a message and converts it into a fixed string of digits,

also called a message digest.

MIB

Management Information Base. An acronym for Management Information

Base. It is a set of database objects that contains information about a

specific device.

MSTP

Multiple Spanning Tree Protocol can provide an independent spanning tree

for different VLANs. It simplifies network management, provides for even

faster convergence than RSTP by limiting the size of each region, and

prevents VLAN members from being segmented from the rest of the group.

MRD

Multicast Router Discovery is a A protocol used by IGMP snooping and

multicast routing devices to discover which interfaces are attached to

multicast routers. This process allows IGMP-enabled devices to determine

where to send multicast source and group membership messages.

Multicast Switching

A process whereby the switch filters incoming multicast frames for services

for which no attached host has registered, or forwards them to all ports

contained within the designated multicast VLAN group.

MVR

Multicast VLAN Registration is a method of using a single network-wide

multicast VLAN to transmit common services, such as such as television

channels or video-on-demand, across a service-provider’s network. MVR

simplifies the configuration of multicast services by using a common VLAN

for distribution, while still preserving security and data isolation for

subscribers residing in both the MVR VLAN and other standard or private

VLAN groups.

NTP

Network Time Protocol provides the mechanisms to synchronize time

across the network. The time servers operate in a

hierarchical-master-slave configuration in order to synchronize local clocks

within the subnet and to national time standards via wire or radio.

Out-of-Band Management Management of the network from a station not attached to the network.

Port Authentication See IEEE 802.1X.

Port Mirroring

A method whereby data on a target port is mirrored to a monitor port for

troubleshooting with a logic analyzer or RMON probe. This allows data on

the target port to be studied unobstructively.

Port Trunk

Defines a network link aggregation and trunking method which specifies

how to create a single high-speed logical link that combines several

lower-speed physical links.

Private VLANs

Private VLANs provide port-based security and isolation between ports

within the assigned VLAN. Data traffic on downlink ports can only be

forwarded to, and from, uplink ports.

Glossary Term Description

vii

Preface

QinQ

QinQ tunneling is designed for service providers carrying traffic for multiple

customers across their networks. It is used to maintain customer-specific

VLAN and Layer 2 protocol configurations even when different customers

use the same internal VLAN IDs.

QoS

Quality of Service. QoS refers to the capability of a network to provide

better service to selected traffic flows using features such as data

prioritization, queuing, congestion avoidance and traffic shaping. These

features effectively provide preferential treatment to specific flows either by

raising the priority of one flow or limiting the priority of another flow.

RADIUS

Remote Authentication Dial-in User Service. RADIUS

is a logon

authentication protocol that uses software running on a central server to

control access to RADIUS-compliant devices on the network.

RMON

Remote Monitoring. RMON provides comprehensive network monitoring

capabilities. It eliminates the polling required in standard SNMP, and can

set alarms on a variety of traffic conditions, including specific error types.

RSTP

Rapid Spanning Tree Protocol. RSTP reduces the convergence time for

network topology changes to about 10% of that required by the older IEEE

802.1D STP standard.

SMTP

Simple Mail Transfer Protocol is a standard host-to-host mail transport

protocol that operates over TCP, port 25.

SNMP

Simple Network Management Protocol. The application protocol in the

Internet suite of protocols which offers network management services.

SNTP

Simple Network Time Protocol allows a device to set its internal clock

based on periodic updates from a Network Time Protocol (NTP) server.

Updates can be requested from a specific NTP server, or can be received

via broadcasts sent by NTP servers.

SSH

Secure Shell is a secure replacement for remote access functions,

including Telnet. SSH can authenticate users with a cryptographic key, and

encrypt data connections between management clients and the switch.

STA

Spanning Tree Algorithm is a technology that checks your network for any

loops. A loop can often occur in complicated or backup linked network

systems. Spanning Tree detects and directs data along the shortest

available path, maximizing the performance and efficiency of the network.

TACACS+

Terminal Access Controller Access Control System Plus. TA

CACS+ is a

logon authentication protocol that uses software running on a central

server to control access to TACACS-compliant devices on the network.

TCP/IP

Transmission Control Protocol/Internet Protocol. Protocol suite that

includes TCP as the primary transport protocol, and IP as the network

layer protocol.

Telnet

Defines a remote communication facility for interfacing to a terminal device

over TCP/IP.

TFTP

Trivial File Transfer Protocol. A TCP/IP protocol commonly used for

software downloads.

UDP

User Datagram Protocol. UD

P provides a datagram mode for

packet-switched communications. It uses IP as the underlying transport

mechanism to provide access to IP-like services. UDP packets are

delivered just like IP packets – connection-less datagrams that may be

discarded before reaching their targets. UDP is useful when TCP would be

too complex, too slow, or just unnecessary.

Glossary Term Description

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UTC

Universal Time Coordinate. UTC is a time scale that couples Greenwich

Mean Time (based solely on the Earth’s rotation rate) with highly accurate

atomic time. The UTC does not have daylight saving time.

VLAN

Virtual LAN. A Virtual LAN is a collection of network nodes that share the

same collision domain regardless of their physical location or connection

point in the network. A VLAN serves as a logical workgroup with no

physical barriers, and allows users to share information and resources as

though located on the same LAN.

XModem

A protocol used to transfer files between devices. Data is grouped in

128-byte blocks and error-corrected.

Glossary Term Description

ix

Table of Contents

Chapter 1 Introduction.......................................................................1-1

1-1 Key Features......................................................................................1-1

1-2 Description of Software Features...................................................1-2

Configuration Backup and Restore.........................................................1-2

Authentication.........................................................................................1-3

Access Control Lists ...............................................................................1-3

Port Configuration...................................................................................1-3

Port Mirroring..........................................................................................1-3

Port Trunking...........................................................................................1-3

Rate Limiting...........................................................................................1-4

Storm Control..........................................................................................1-4

Static Addresses.....................................................................................1-4

IEEE 802.1D Bridge................................................................................1-4

Store-and-Forward Switching..................................................................1-4

Spanning Tree Algorithm.........................................................................1-5

Virtual LANs............................................................................................1-5

Traffic Prioritization .................................................................................1-6

Quality of Service....................................................................................1-6

Multicast Filtering....................................................................................1-6

System Defaults......................................................................................1-6

1-3 Description of Hardware...................................................................1-9

10/100/1000BASE-T Ports......................................................................1-9

SFP Transceiver Slots ............................................................................1-9

Port and System Status LEDs...............................................................1-10

Mode Button..........................................................................................1-11

Power Supply Inlet................................................................................1-11

Grounding Point....................................................................................1-11

Reset Button.........................................................................................1-12

Console Port.........................................................................................1-12

Chapter 2 Standardized Warning Statements.....................2-1

2-1 About Standardized Warning Statements......................................2-1

Warning Definition...................................................................................2-1

Installation Instructions ...........................................................................2-4

Circuit Breaker........................................................................................2-5

Power Disconnection Warning................................................................2-6

Equipment Installation.............................................................................2-8

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Restricted Area.......................................................................................2-9

Battery Handling ...................................................................................2-10

Redundant Power Supplies ..................................................................2-12

Backplane Voltage................................................................................2-13

Comply with Local and National Electrical Codes.................................2-15

Product Disposal...................................................................................2-16

Hot Swap Fan Warning.........................................................................2-17

Power Cable and AC Adapter ..............................................................2-18

Chapter 3 Initial Configuration.....................................................3-1

3-1 Connecting to the Switch.................................................................3-1

Configuration Options.............................................................................3-1

Required Connections ............................................................................3-2

Remote Connections ..............................................................................3-3

3-2 Basic Configuration...........................................................................3-4

Console Connection................................................................................3-4

Setting Passwords..................................................................................3-4

Setting an IP Address.............................................................................3-5

Manual Configuration...........................................................................3-5

Dynamic Configuration.........................................................................3-8

Downloading a Configuration File Referenced by a DHCP Server.......3-10

Enabling SNMP Management Access..................................................3-12

Community Strings (for SNMP version 1 and 2c Clients)...................3-12

Trap Receivers...................................................................................3-13

Configuring Access for SNMP Version 3 Clients................................3-14

3-3 Managing System Files..................................................................3-14

Saving or Restoring Configuration Settings..........................................3-15

Chapter 4 Using the Web Interface...........................................4-1

4-1 Connecting to the Web Interface....................................................4-1

4-2 Navigating the Web Browser Interface..........................................4-2

Home Page.............................................................................................4-2

Configuration Options.............................................................................4-3

Panel Display..........................................................................................4-4

Showing Status Information....................................................................4-4

Main Menu .............................................................................................4-5

Chapter 5 Basic Management Tasks........................................5-1

5-1 Displaying System Information .......................................................5-1

5-2 Displaying Switch Hardware/Software Versions .........................5-2

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Table of Contents

5-3 Configuring Support for Jumbo Frames ........................................5-3

5-4 Displaying Bridge Extension Capabilities......................................5-4

5-5 Managing System Files....................................................................5-6

Copying Files via FTP/TFTP or HTTP....................................................5-6

Saving the Running Configuration to a Local File...................................5-8

Setting The Start-Up File.........................................................................5-9

Showing System Files...........................................................................5-10

Automatic Operation Code Upgrade.....................................................5-11

5-6 Setting the System Clock...............................................................5-15

Setting the Time Manually.....................................................................5-15

Setting the SNTP Polling Interval..........................................................5-16

Specifying SNTP Time Servers.............................................................5-17

Setting the Time Zone...........................................................................5-18

5-7 Configuring the Console Port........................................................5-19

5-8 Configuring Telnet Settings............................................................5-21

5-9 Displaying CPU Utilization.............................................................5-22

5-10 Displaying Memory Utilization.....................................................5-23

5-11 Resetting the System ...................................................................5-24

Chapter 6 Interface Configuration..............................................6-1

6-1 Port Configuration.............................................................................6-1

Configuring by Port List...........................................................................6-1

Configuring by Port Range......................................................................6-4

Displaying Connection Status.................................................................6-6

Configuring Local Port Mirroring.............................................................6-7

Configuring Remote Port Mirroring .........................................................6-9

Showing Port or Trunk Statistics...........................................................6-13

Performing Cable Diagnostics ..............................................................6-18

6-2 Trunk Configuration ........................................................................6-19

Configuring a Static Trunk.....................................................................6-20

Configuring a Dynamic Trunk................................................................6-23

Displaying LACP Port Counters............................................................6-28

Displaying LACP Settings and Status for the Local Side......................6-29

Displaying LACP Settings and Status for the Remote Side..................6-31

Configuring Trunk Mirroring ..................................................................6-32

6-3 Saving Power...................................................................................6-34

6-4 Traffic Segmentation.......................................................................6-36

Enabling Traffic Segmentation..............................................................6-36

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Configuring Uplink and Downlink Ports.................................................6-37

6-5 VLAN Trunking ................................................................................6-38

Chapter 7 VLAN Configuration.....................................................7-1

7-1 IEEE 802.1Q VLANs.........................................................................7-1

Assigning Ports to VLANs.......................................................................7-2

VLAN Classification..............................................................................7-2

Port Overlapping..................................................................................7-3

Untagged VLANs .................................................................................7-3

Automatic VLAN Registration...............................................................7-3

Forwarding Tagged/Untagged Frames ...................................................7-4

Configuring VLAN Groups ......................................................................7-4

Adding Static Members to VLANs...........................................................7-6

Configuring Dynamic VLAN Registration..............................................7-10

7-2 IEEE 802.1Q Tunneling..................................................................7-13

Enabling QinQ Tunneling on the Switch ...............................................7-17

Adding an Interface to a QinQ Tunnel...................................................7-18

7-3 Protocol VLANs...............................................................................7-19

Configuring Protocol VLAN Groups ......................................................7-20

Mapping Protocol Groups to Interfaces ................................................7-21

7-4 Configuring IP Subnet VLANs.......................................................7-23

7-5 Configuring MAC-based VLANs...................................................7-25

7-6 Configuring VLAN Mirroring...........................................................7-27

Chapter 8 Address Table Settings.............................................8-1

8-1 Setting Static Addresses..................................................................8-1

8-2 Changing the Aging Time ................................................................8-3

8-3 Displaying the Dynamic Address Table.........................................8-4

8-4 Clearing the Dynamic Address Table.............................................8-5

8-5 Configuring MAC Address Mirroring..............................................8-6

Chapter 9 Spanning Tree Algorithm.........................................9-1

9-1 Overview.............................................................................................9-1

STP.........................................................................................................9-2

RSTP ......................................................................................................9-2

MSTP......................................................................................................9-2

9-2 Configuring Loopback Detection.....................................................9-4

9-3 Configuring Global Settings for STA ..............................................9-5

Displaying Global Settings for STA.......................................................9-11

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Table of Contents

9-4 Configuring Interface Settings for STA ........................................9-12

9-5 Displaying Interface Settings for STA ..........................................9-16

9-6 Configuring Multiple Spanning Trees...........................................9-19

9-7 Configuring Interface Settings for MSTP.....................................9-22

Chapter 10 Congestion Control.................................................10-1

10-1 Rate Limiting..................................................................................10-1

10-2 Storm Control.................................................................................10-4

10-3 Automatic Traffic Control .............................................................10-6

Setting the ATC Timers.........................................................................10-7

Configuring ATC Thresholds and Responses.......................................10-9

Chapter 11 Class of Service.........................................................11-1

11-1 Layer 2 Queue Settings ...............................................................11-1

Setting the Default Priority for Interfaces..............................................11-1

Selecting the Queue Mode ...................................................................11-2

Mapping CoS Values to Egress Queues...............................................11-5

11-2 Layer 3/4 Priority Settings............................................................11-7

Mapping Layer 3/4 Priorities to CoS Values .........................................11-7

Setting Priority Processing to DSCP or CoS ........................................11-8

Mapping Ingress DSCP Values to Internal DSCP Values.....................11-9

Mapping CoS Priorities to Internal DSCP Values................................11-11

Chapter 12 Quality of Service.....................................................12-1

12-1 Overview.........................................................................................12-1

12-2 Configuring a Class Map .............................................................12-2

12-3 Creating QoS Policies..................................................................12-5

12-4 Attaching a Policy Map to a Port..............................................12-14

Chapter 13 VoIP Traffic Configuration ..................................13-1

13-1 Overview.........................................................................................13-1

13-2 Configuring VoIP Traffic...............................................................13-1

13-3 Configuring Telephony OUI.........................................................13-3

13-4 Configuring VoIP Traffic Ports.....................................................13-4

Chapter 14 Security Measures....................................................14-1

14-1 AAA Authorization and Accounting............................................14-2

Configuring Local/Remote Logon Authentication..................................14-3

Configuring Remote Logon Authentication Servers..............................14-4

Configuring AAA Accounting.................................................................14-9

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Configuring AAA Authorization ...........................................................14-14

14-2 Configuring User Accounts........................................................14-17

14-3 Web Authentication.....................................................................14-19

Configuring Global Settings for Web Authentication...........................14-19

Configuring Interface Settings for Web Authentication .......................14-21

14-4 Network Access (MAC Address Authentication)....................14-22

Configuring Global Settings for Network Access................................14-24

Configuring Network Access for Ports................................................14-25

Configuring Port Link Detection..........................................................14-27

Configuring a MAC Address Filter ......................................................14-28

Displaying Secure MAC Address Information.....................................14-30

14-5 Configuring HTTPS.....................................................................14-31

Configuring Global Settings for HTTPS..............................................14-31

Replacing the Default Secure-site Certificate .....................................14-33

14-6 Configuring the Secure Shell ...................................................14-34

Configuring the SSH Server................................................................14-37

Generating the Host Key Pair.............................................................14-38

Importing User Public Keys.................................................................14-40

14-7 Access Control Lists...................................................................14-42

Showing TCAM Utilization ..................................................................14-43

Setting the ACL Name and Type ........................................................14-44

Configuring a Standard IPv4 ACL.......................................................14-45

Configuring an Extended IPv4 ACL....................................................14-47

Configuring a Standard IPv6 ACL.......................................................14-50

Configuring an Extended IPv6 ACL....................................................14-52

Configuring a MAC ACL......................................................................14-54

Configuring an ARP ACL....................................................................14-56

Binding a Port to an Access Control List.............................................14-58

14-8 ARP Inspection............................................................................14-59

Configuring Global Settings for ARP Inspection.................................14-60

Configuring VLAN Settings for ARP Inspection..................................14-62

Configuring Interface Settings for ARP Inspection..............................14-63

Displaying ARP Inspection Statistics ..................................................14-65

Displaying the ARP Inspection Log.....................................................14-66

14-9 Filtering IP Addresses for Management Access....................14-67

14-10 Configuring Port Security.........................................................14-69

14-11 Configuring 802.1X Port Authentication ...............................14-72

Configuring 802.1X Global Settings....................................................14-74

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Configuring Port Authenticator Settings for 802.1X ............................14-75

Configuring Port Supplicant Settings for 802.1X.................................14-79

Displaying 802.1X Statistics................................................................14-81

14-12 IP Source Guard.......................................................................14-84

Configuring Ports for IP Source Guard ...............................................14-84

Configuring Static Bindings for IP Source Guard................................14-86

Displaying Information for Dynamic IP Source Guard Bindings..........14-88

14-13 DHCP Snooping........................................................................14-89

DHCP Snooping Configuration...........................................................14-91

DHCP Snooping VLAN Configuration.................................................14-92

Displaying DHCP Snooping Binding Information................................14-95

Chapter 15 Basic Administration Protocols ......................15-1

15-1 Configuring Event Logging..........................................................15-1

System Log Configuration.....................................................................15-1

Remote Log Configuration....................................................................15-4

Sending Simple Mail Transfer Protocol Alerts.......................................15-5

15-2 Link Layer Discovery Protocol....................................................15-8

Setting LLDP Timing Attributes.............................................................15-8

Configuring LLDP Interface Attributes ................................................15-10

Configuring LLDP Interface Civic-Address .........................................15-14

Displaying LLDP Local Device Information.........................................15-16

Displaying LLDP Remote Port Information .........................................15-19

Displaying Device Statistics................................................................15-23

15-3 Power Over Ethernet..................................................................15-25

Displaying the Switch’s Overall PoE Power Budget............................15-26

Setting The Port PoE Power Budget...................................................15-27

15-4 Simple Network Management Protocol ..................................15-29

Configuring Global Settings for SNMP................................................15-32

Setting the Local Engine ID ................................................................15-33

Specifying a Remote Engine ID..........................................................15-34

Setting SNMPv3 Views ......................................................................15-35

Configuring SNMPv3 Groups .............................................................15-38

Setting Community Access Strings ....................................................15-43

Configuring Local SNMPv3 Users .....................................................15-44

Configuring Remote SNMPv3 Users .................................................15-46

Specifying Notification Managers........................................................15-49

15-5 Remote Monitoring .....................................................................15-53

Configuring RMON Alarms .................................................................15-53

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Configuring RMON Events..................................................................15-57

Configuring RMON History Samples ..................................................15-60

Configuring RMON Statistical Samples ..............................................15-63

15-6 Switch Clustering ........................................................................15-66

Configuring General Settings for Clusters ..........................................15-67

Cluster Member Configuration............................................................15-68

15-7 Setting A Time Range................................................................15-71

Chapter 16 IP Configuration.........................................................16-1

16-1 Using the Ping Function...............................................................16-1

16-2 Address Resolution Protocol ......................................................16-3

Setting the ARP Timeout.......................................................................16-3

Displaying ARP Entries.........................................................................16-4

16-3 Setting the Switch’s IP Address (IP Version 4) ........................16-5

16-4 Setting the Switch’s IP Address (IP Version 6)........................16-7

Configuring the IPv6 Default Gateway..................................................16-8

Configuring IPv6 Interface Settings ......................................................16-9

Configuring an IPv6 Address..............................................................16-10

Showing IPv6 Addresses....................................................................16-13

Showing the IPv6 Neighbor Cache.....................................................16-14

Showing IPv6 Statistics.......................................................................16-16

Chapter 17 IP Services....................................................................17-1

17-1 Configuring General DNS Service Parameters .......................17-1

17-2 Configuring a List of Domain Names.........................................17-2

17-3 Configuring a List of Name Servers...........................................17-4

17-4 Configuring Static DNS Host to Address Entries.....................17-5

17-5 Displaying the DNS Cache..........................................................17-6

Chapter 18 Multicast Filtering ....................................................18-1

18-1 Overview.........................................................................................18-1

18-2 Layer 2 IGMP (Snooping and Query)........................................18-2

Configuring IGMP Snooping and Query Parameters............................18-4

Specifying Static Interfaces for a Multicast Router................................18-8

Assigning Interfaces to Multicast Services..........................................18-10

Setting IGMP Snooping Status per Interface......................................18-12

Displaying Multicast Groups Discovered by IGMP Snooping .............18-17

18-3 Filtering and Throttling IGMP Groups......................................18-18

Enabling IGMP Filtering and Throttling...............................................18-18

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Table of Contents

Configuring IGMP Filter Profiles .........................................................18-19

Configuring IGMP Filtering and Throttling for Interfaces.....................18-22

18-4 Multicast VLAN Registration .....................................................18-23

Configuring Global MVR Settings.......................................................18-25

Configuring MVR Interface Status.......................................................18-26

Assigning Static Multicast Groups to Interfaces..................................18-28

Showing Multicast Group Members....................................................18-30

Chapter 19 Using the Command Line Interface...............19-1

19-1 Accessing the CLI.........................................................................19-1

Console Connection..............................................................................19-1

Telnet Connection .................................................................................19-2

19-2 Entering Commands.....................................................................19-3

Keywords and Arguments.....................................................................19-3

Minimum Abbreviation ..........................................................................19-3

Command Completion..........................................................................19-3

Getting Help on Commands..................................................................19-3

Showing Commands..........................................................................19-4

Partial Keyword Lookup........................................................................19-6

Negating the Effect of Commands........................................................19-6

Using Command History.......................................................................19-6

Understanding Command Modes .........................................................19-6

Exec Commands...................................................................................19-7

Configuration Commands.....................................................................19-8

Command Line Processing...................................................................19-9

Showing Status Information................................................................19-10

Output Modifiers..................................................................................19-11

19-3 CLI Command Groups...............................................................19-11

Chapter 20 General Commands.................................................20-1

prompt...................................................................................................20-1

reload (Global Configuration)................................................................20-2

enable...................................................................................................20-3

quit........................................................................................................20-4

show history..........................................................................................20-4

configure...............................................................................................20-5

disable...................................................................................................20-6

reload (Privileged Exec)........................................................................20-6

show reload...........................................................................................20-7

end........................................................................................................20-7

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exit ........................................................................................................20-8

Chapter 21 System Management Commands...................21-1

21-1 Device Designation.......................................................................21-2

hostname..............................................................................................21-2

21-2 System Status................................................................................21-3

show access-list tcam-utilization...........................................................21-3

show memory........................................................................................21-4

show process cpu.................................................................................21-4

show running-config..............................................................................21-4

show startup-config...............................................................................21-7

show system.........................................................................................21-8

show tech-support.................................................................................21-9

show users..........................................................................................21-10

show version.......................................................................................21-11

21-3 Frame Size...................................................................................21-12

jumbo frame........................................................................................21-12

21-4 File Management........................................................................21-13

boot system.........................................................................................21-14

copy ....................................................................................................21-15

delete..................................................................................................21-18

dir........................................................................................................21-18

whichboot............................................................................................21-20

upgrade opcode auto..........................................................................21-20

upgrade opcode path..........................................................................21-22

21-5 Line................................................................................................21-23

line ......................................................................................................21-24

databits................................................................................................21-25

exec-timeout .......................................................................................21-26

login ....................................................................................................21-27

parity ...................................................................................................21-28

password.............................................................................................21-29

password-thresh .................................................................................21-30

silent-time............................................................................................21-31

speed..................................................................................................21-32

stopbits................................................................................................21-33

timeout login response........................................................................21-34

disconnect...........................................................................................21-35

show line.............................................................................................21-36

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Table of Contents

21-6 Event Logging..............................................................................21-37

logging facility .....................................................................................21-37

logging history.....................................................................................21-38

logging host.........................................................................................21-39

logging on ...........................................................................................21-40

logging trap.........................................................................................21-41

clear log ..............................................................................................21-42

show log..............................................................................................21-43

show logging.......................................................................................21-44

21-7 SMTP Alerts.................................................................................21-46

logging sendmail.................................................................................21-46

logging sendmail host.........................................................................21-47

logging sendmail level.........................................................................21-48

logging Sendmail Destination-Email ...................................................21-49

logging Sendmail Source-Email..........................................................21-50

show logging sendmail........................................................................21-50

21-8 Time ..............................................................................................21-51

sntp client............................................................................................21-52

sntp poll...............................................................................................21-53

sntp server..........................................................................................21-54

show sntp............................................................................................21-55

clock timezone....................................................................................21-56

clock timezone-predefined..................................................................21-57

calendar set ........................................................................................21-58

Syntax..............................................................................................21-58

show calendar.....................................................................................21-59

21-9 Time Range..................................................................................21-59

time-range...........................................................................................21-60

absolute ..............................................................................................21-61

periodic ...............................................................................................21-62

show time-range .................................................................................21-63

21-10 Switch Clustering......................................................................21-64

cluster .................................................................................................21-65

cluster commander .............................................................................21-66

cluster ip-pool......................................................................................21-66

cluster member...................................................................................21-67

rcommand...........................................................................................21-68

show cluster........................................................................................21-69

show cluster members........................................................................21-69

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show cluster candidates......................................................................21-70

Chapter 22 SNMP Commands.....................................................22-1

snmp-server..........................................................................................22-2

snmp-server community........................................................................22-3

snmp-server contact .............................................................................22-4

snmp-server location.............................................................................22-5

show snmp............................................................................................22-6

snmp-server enable traps.....................................................................22-7

snmp-server host .................................................................................22-8

snmp-server engine-id........................................................................22-10

snmp-server group..............................................................................22-12

snmp-server user................................................................................22-13

snmp-server view................................................................................22-15

show snmp engine-id..........................................................................22-16

show snmp group................................................................................22-16

show snmp user..................................................................................22-17

show snmp view..................................................................................22-18

nlm......................................................................................................22-19

snmp-server notify-filter ......................................................................22-19

show nlm oper-status..........................................................................22-21

show snmp notify-filter........................................................................22-22

Chapter 23 Remote Monitoring Commands.......................23-1

rmon alarm............................................................................................23-2

rmon event ...........................................................................................23-3

rmon collection history..........................................................................23-4

rmon collection rmon1 ..........................................................................23-5

show rmon alarms.................................................................................23-6

show rmon events.................................................................................23-6

show rmon history.................................................................................23-6

show rmon statistics..............................................................................23-8

Chapter 24 Authentication Commands ................................24-1

24-1 User Accounts...............................................................................24-2

enable password...................................................................................24-2

username..............................................................................................24-3

24-2 Authentication Sequence.............................................................24-4

authentication enable............................................................................24-4

authentication login...............................................................................24-6

24-3 RADIUS Client...............................................................................24-7

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