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Copyright 2006-2008, 3Com Corporation. All rights reserved.www.3Com.comPart Number: 10014902 Rev. ABPublished: February 2008

3COM SWITCH 4500G FAMILYQUICK REFERENCE GUIDE

Overview

This Command Reference applies to the following Switch 4500G models:

About the Command Line Interface

To use and navigate the command line interface of your unit, please refer to the following points for assistance:

When initially accessing the command line interface, press Enter when prompted. The User View menu for the unitis

displayed. This is indicated by the chevron brackets around the name of the unit at the prompt, for example,.

When in the System View menu, square brackets appear around the name of the unit at the prompt, for example,[4500G].

You must be in the System View menu to access the configurable CLI commands.

Some commands can be entered directly at any prompt from anywhere in the interface.

If you enter part of a command followed by a ? (with no space between), the CLI will show you all the commandsthat begin in that way.

The term view may be used interchangeably with the term menu.

The undo command is placed before the command you wish to undo, for example, undo setauthentication password.

places the cursor back to the start of the command line.

Enter the first few characters of a command and press TAB to enter the full command without having to input theentire command (where there is only one command that starts with the entered characters).

Use the Up Arrow key at the prompt to repeat the previous command string.

Use the Delete key to delete the character after the cursor; the Backspace key deletes the character before the cursor.

When entering physical port numbers, Enter the port number as x/0/z, where x is the unit number and z is thephysical port number.

Switch 4500G 24-Port (3CR17761-91)

Switch 4500G 24-Port PWR (3CR17771-91)

Switch 4500G 48-Port (3CR17762-91)

Switch 4500G 48-Port PWR (3C17772-91)

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2 3Com Switch 4500G FamilyCommand Reference

Displaying Command Parameters

At the prompt, enter the name of the command followed by a space and ?. For example:

boot ?

The following parameters are displayed:

attribute-switch Exchange the file main-attribute and backup-attribute.

boot-loader Select a file to boot at the next time

bootrom Update Bootrom

web-package Set web resource package

To specify boot loader, enter the command as follows:

boot boot-loader ?

You only need to enter ? if parameters exist for the command.

Displaying Parent Menus

At the prompt, enterquit.

Displaying the User View Menu

Press .

Obtaining Help

At the prompt, enter ?.

Further Information

For further information about how to use the command line interface, refer to the Command Reference Guide andthe Configuration Guide, which are both available as PDF documents on the CD that accompanied the unit.

Commands

access-limit

Use the access-limit command to set the maximum number of access users that can be contained incurrent ISP domain.

ISP Domain view

accounting

Use the accounting command to configure the accounting action for the traffic behavior.

Traffic Behavior view

accounting default

Use the accounting default command to configure an accounting scheme for all users.ISP Domain view

accounting lan-access

Use the accounting lan-access command to configure accounting for a lan-access user.ISP Domain view

accounting login

Use the accounting login command to configure accounting for the login user.ISP Domain view

accounting optional

Use the accounting optional command to open the accounting-optional switch.

ISP Domain view
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3Com Switch 4500G Family 3Command Reference

acl

Use the acl command enter ACL view. If the ACL does not exist, it is created first.System view

acl

Use the acl command to apply an ACL to filter Telnet users.User Interface view

activation-key

Use the activation-key command to define a shortcut key for starting a terminal session.User Interface view

active region-configuration

Use the active region-configuration command to activate the settings of an MST (multiple spanningtree) region.

MST Region view

add-member

Use the add-member command to add a candidate device to a cluster.Cluster view

administrator-address

Use the administrator-addresscommand to set the MAC address of the management device on amember device.

Cluster view

apply cost

Use the apply cost command to set the cost for routing information.Routing Policy view

apply cost

apply ip-address next-hop

Use the apply ip-address next-hop command to set the next hop for IPv4 routing information.Routing Policy view

apply ipv6 next-hop

apply poe-profile

Use the apply poe-profile command to apply the existing PoE Profile configuration to the specifiedEthernet port.

PoE Interface view

apply poe-profile interface

Use the apply poe-profile interface command to apply the PoE configuration file to one or more PoEinterfaces.

System view

apply preference

Use the apply preference command to set preference for routing protocol.Routing Policy view

apply preference

apply tag

Use the apply tag command to set specified tag value of routing information.Routing Policy view

apply tag

arp check enable

Use the arp check enable command to enable ARP entry checking, preventing the device from learningmulticast MAC addresses.

System view

arp max-learning-num

Use the arp max-learning-num command to set the maximum number of ARP entries that an interface canlearn.

VLAN Interface view

arp static

Use the arp static command to configure the static ARP entry in the ARP mapping table.System view

arp timer aging

Use the arp timer aging command to set the aging timer for dynamic ARP entries.System view
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ascii

Use the ascii command to configure data transmission mode as ASCII mode.FTP Client view

attribute

Use the attribute command to set the attributes of a user whose service type is lan-access.Local User view

attribute

Use the attribute command to configure attribute rules of certificate issuers, certificate subject names, oralternate certificate subject names.

Certificate Attribute Group view

authentication default

Use the authenticationdefault command to configure authentication scheme for all users.ISP Domain view

authentication lan-access

Use the authentication lan-access command to configure authentication scheme for a lan-access user.ISP Domain view

authentication login

Use the authentication login command to configure authentication for a login user.ISP Domain view

authentication-modeUse the command authentication-mode to specify the authentication mode.

User Interface view

authorization command

Use the authorization command command to configure the authorization scheme for a CLI user.ISP Domain view

authorization default

Use the authorization default command to configure the default authorization for all users.ISP Domain view

authorization lan-access

Use the authorization lan-access command to configure authorization for a lan-access user.ISP Domain view

authorization loginUse the authorization login command to configure authorization for a login user.

ISP Domain view

auto-build

Use the auto-build command to automatically build a cluster.Cluster view

auto-execute command

Use the auto-executecommand command to set the command that is executed automatically after a userlogs in.

VTY User Interface view

backup startup-configuration

Use the backup startup-configuration command to back up the configuration file for next startup withthe destination file name.

User view

binary

Use the binary command to specify that files be transferred in binary mode. That is, data is transferred inbinary streams.

FTP Client view

black-list add-mac

Use the black-list add-mac command to add a device into the blacklist.Cluster view

black-list delete-mac

Use the black-list delete-mac command to delete a device from the blacklist.Cluster view

boot-loader

Use the boot-loader command to configure the .app file to be used the next time the switch is booted.User view
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bootrom

Use the bootrom command to upgrade the Bootrom of device.User view

bootrom-update security-check enable

Use the bootrom-update security-check enable command to enable file validity check for upgrading.System view

broadcast-suppression

Use the broadcast-suppressioncommand to configure broadcast storm suppression ratio.Ethernet Interface view

Port Group view

build

Use the build command to configure or modify the cluster name.Cluster view

bye

Use the bye command to disconnect from the remote FTP server and exit to user view.FTP Client view

bye

Use the bye command to terminate the connection to the remote SFTP server and return to system view.SFTP Client view

ca identifierUse the ca identifier command to specify the CA this device trusts and have the "name" CA bound withthis device.

PKI Domain view

car

Use the car command to configure TP for the traffic behavior.Traffic Behavior view

cd

Use the cd command to change the current directory.User view

cd

Use the cd command to change the current working directory path on the remote FTP server.FTP Client view

cd

Use the cd command to change the current path on the remote SFTP server.SFTP Client view

cdup

Use the cdup command to return from the current working directory path to the upper directory.FTP Client view

cdup

Use the cdup command to change the working path and return to the upper-level directory.SFTP Client view

certificate request entity

Use the certificate request entity command to specify the name of the entity for certificate request.PKI Domain view

certificate request from

Use the certificate request from command to choose between CA and RA to register for certificaterequest.

PKI Domain view

certificate request mode

Use the certificate request mode command to decide between the manual or the auto request mode.PKI Domain view

certificate request polling

Use the certificate request polling command to specify the interval between two polls and the retrytimes.

PKI Domain view

certificate request url

Use the certificate request url command to specify the server URL for certificate request throughSCEP protocol. SCEP is a protocol specialized in the communication with authentication authorities.

PKI Domain view
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check region-configuration

Use the check region-configuration command to view all the MST region configuration information,including the region name, VLAN-to-instance mapping and revision level settings.

MST Region view

checkzero

Use the checkzero command to check the zero field of RIP-1 packet.RIP view

checkzerociphersuite

Use the ciphersuite command to configure the cipher suite supported by an SSL server policy.SSL Server Policy view

classifier behavior

Use the classifier behavior command to specify the behavior for the class in the policy.Policy view

client-verify enable

Use the client-verify enable command to enable certificate-based SSL client authentication, meaningthe server needs to perform certificate-based authentication to the client.

SSL Server Policy view

clock datetime

Use the clock datetime command to set the current system time and date.User view

clock summer-time

Use the clock summer-time command to set the name, starting and ending time of the daylight saving time.User view

clock timezone

Use the clock timezone command to set local time zone information.User view

close

Use the close command toterminate the connection to the FTP server, but remain in FTP client view.FTP Client view

close-mode wait

Use the close-mode wait command to configure the close mode for an SSL connection towait, meaningafter sending a close-notify alert message to the client, the server does not close a session until it receivesa close-notify alert message from the client.

SSL Server Policy view

cluster

Use the cluster command to enter cluster view.System view

cluster enable

Use the cluster enable command to enable the cluster function on a switch.System view

cluster switch-to

Use the cluster switch-to command to switch between the management device and member devicesfor configuration and management.

User viewcommand-privilege level

Use the command-privilege level command to set the level of the specified command in a specified view.System view

common-name

Use the common-name command to specify the common name of an entity, take User name for example.PKI Entity view

copy

Use the copy command to copy a file.User view

copy configuration

Use the copy configuration command to copy configurations on a specific interface to other interface(s).

The configuration can be copied include speed/duplex configuration, GVRP, STP, Port-isolate, VLAN,LACP, and QoS.System view

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count

Use the count command to configure the number of probes in a test.NQA Test Group view

country

Use the country command to specify the code of the country to which the entity belongs. It is a standard2-byte code, for example, CN for China.

PKI Entity view

crl checkUse the crl check command to enable or disable CRL checking.

PKI Domain view

crl update-period

Use the crl update-period command to specify the update period of CRL, which is the interval betweenlocal downloads of CRLs from CRL access server.

PKI Domain view

crl url

Use the crl url command to specify the distribution point URL for CRL.PKI Domain view

cut connection

Use the cut connection command to cut down one user connection or one type of user connectionsforcibly.

System view

databits

Use the databits command to set the databits for the user interface.AUX User Interface view

datafill

Use the datafill command to configure a string of fill characters for a test packet.NQA Test Group view

datasize

Use the datasize command to configure the size of a test packet, namely, an echo request packet (IPheader and ICMP header excluded).

NQA Test Group view

debugging

Use the debugging command to enable specific type of debugging or all types of debugging.User view

default cost

Use the default cost command to define a value for the default metric of the redistributed route.RIP view

default-route originate

Use the default-route originate cost command to enable the current router to originate a default routeto RIP neighbors when the router needs to generate a default route with the specified cost.

RIP view

delete

Use the delete command to remove a file from the storage device to the recycle bin, where you can restorethe file with the undelete command or permanently delete it with the reset recycle-bin command.

User view

delete

Use the delete command to delete a file on the remote FTP server.FTP Client view

delete

Use the delete command to delete a specified file from a server.SFTP Client view

delete ipv6 static-routes all

Use the display ip routing-table command to display summary information about active routes in therouting table.

Any view

delete-member

Use the delete-member command to remove a member device from the cluster.Cluster view
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delete static-routes all

Use the delete static-routes all command to delete all the static routes.System view

description

Use the description command to assign a description string to the current VLAN or VLAN interface.VLAN view

VLAN Interface view

descriptionUse the description command to enter a description of an Ethernet port.

Ethernet Interface view

description

Use the description command to create an ACL description, to describe the purpose of the ACL forexample.

Basic IPv4 ACL view

Advanced IPv4 ACL view

Ethernet Frame Header ACL view

description

Use the description command to give a brief description of a test group, usually, the test type or testpurpose of a test group.

NQA Test Group view

destination-ip

Use the destination-ip command to configure the destination IP address in the test request packet.NQA Test Group view

destination-port

Use the destination-port command to configure the destination port number for a test request packet.NQA Test Group view

dhcp enable

Use the dhcp enable command to enable DHCP.System view

dhcp relay address-check

Use the dhcp relay address-checkenable command to enable IP address match checking on the relayagent.

VLAN Interface view

dhcp relay information enable

Use the dhcp relay information enable command to enable the relay agent to support option 82.VLAN Interface view

dhcp relay information format

Use the dhcp relay information format command to specify a padding format for option 82.Interface view

dhcp relay information strategy

Use the dhcp relay information strategy command to configure DHCP relay agent handling strategyfor messages containing option 82.

Interface view

dhcp relay release

Use the dhcp relay release command to send a DHCP RELEASE request to a specified DHCP server orserver groups for releasing a specified client IP address.

VLAN Interface view

System view

dhcp relay security static

Use the dhcp relay security static command to configure a manual IP-to-MAC binding on the relayagent.

System view

dhcp relay security tracker

Use the dhcp relay security tracker command to set a refreshing interval at which the relay agentcontacts the DHCP server for refreshing dynamic bindings.

System view

dhcp relay server-detect

Use the dhcp relay server-detect command to enable pseudo DHCP server detection on the DHCPrelay agent.System view

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dhcp relay server-group

Use the dhcp relay server-group command to specify a DHCP server for a DHCP server group.System view

dhcp relay server-select

Use the dhcp relay server-select command to correlate specified interface(s) to a specified DHCPserver group.

VLAN Interface view

dhcp select relayUse the dhcp select relay command to enable the relay agent on the current interface, specified or allinterfaces. Upon receiving requests from an enabled interface, the relay agent will forward these requeststo outside DHCP servers for IP address allocation.

VLAN Interface view

dhcp-snooping

Use the dhcp-snooping command to enable the DHCP snooping.System view

dhcp-snooping trust

Use the dhcp-snooping trust command to set a port as trusted.Ethernet Interface view

dir

Use the dir command to display information about all files and folders in the current directory, excluding

those moved to the recycle bin.User view

dir

Use the dir command to query for the details of all files and directories in the current directory.FTP Client view

dir

Use the dir command to query files under a specified directory.SFTP Client view

disconnect

Use the disconnect command to terminate a FTP connection without quitting FTP client view.FTP Client view

display acl

Use the display acl command to display information about the specified or all IPv4 ACLs. This commanddisplays ACL rules in the matching order.

Any view

display arp

Use the display arp command to display information about ARP entries in the ARP mapping table.Any view

display arp ip-address

Use the display arp ip address command to display information about the ARP entry for a specifiedIP address.

Any view

display arp timer aging

Use the display arp timer aging command to display the aging time for dynamic ARP entries.Any view

display boot-loader

Use the display boot-loader command to display the host software (.app file) that is adopted when theswitch reboots.

Any view

display bootp client

Use the display bootp client command to display relative information of a BOOTP client, including MACaddress of the BOOTP client and obtained IP address.

Any view

display brief interface

Use the display brief interface command to display brief interface information, including simpleinterface name, link state, protocol link state, protocol type, and main IP address.

Any view
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display channel

Use the display channel command to display the details channel information.Any view

display clipboard

Use the display clipboard command to view the contents of the clipboard.Any view

display clock

Use the display clock command to display the current date and time of the system, so that you can adjustthem if they are wrong.

Any viewdisplay cluster

Use the display cluster command to display the state and statistics of the cluster to which the currentswitch belongs.

Any view

display cluster base-topology

Use the display cluster topology command to display the standard topology view of the cluster.Any view

display cluster black-list

Use the display cluster black-list command to display the current blacklist of the cluster.Any view

display cluster candidates

Use the display cluster candidates command to display the information about the candidate devices ofa cluster.

Any view

display cluster current-topology

Use the display cluster current topology command to display the current topology view or the topologypath between two points.

Any view

display cluster members

Use the display cluster members command to display the information about cluster members.Any view

display connection

Use the display connection command to display information about specified or all user connections.Any view

display cpu-usage

Use the display cpu-usage command to display the statistics of CPU usage entries.Any view

display current-configuration

Use the display current-configuration command to display the current configuration of a switch.Any view

display current-configuration

Use the display current-configuration command to display the current configuration of a switch.Any view

display debugging

Use the display debugging command to display the enabled debugging on a specified device.Any view

display device

Use the display device command to view module type and working status information of each card.Any view

display dhcp client

Use the display dhcp client command to display DHCP client information.Any view

display dhcp relay

Use the display dhcp relay command to display information about DHCP server groups correlated to aninterface or all interfaces.

Any view

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display dhcp relay security

Use the display dhcp relay security command to display information about bindings of DHCP relayagents. If no parameter is specified, information about all bindings will be displayed.

Any view

display dhcp relay security statistics

Use the display dhcp relay security statistics command to display statistics information aboutbindings of DHCP relay agents.

Any view

display dhcp relay security tracker

Use the display dhcp relay security tracker command to display the interval for refreshing dynamicbindings on the relay agent.

Any view

display dhcp relay server-group

Use the display dhcp relay server-group command to display the configuration information of aspecified or all DHCP server groups.

Any view

display dhcp relay statistics

Use the display dhcp relay statistics command to display DHCP packet statistics related to aspecified or all DHCP groups, information including the number of erroneous packets, packets receivedfrom clients and servers, packets sent to clients and servers (both broadcasts and unicasts).

Any view

display dns domain

Use the display dns domain command to display DNS domain names (suffixes) that are manuallyconfigured.

Any view

display dns dynamic host

Use the display dns dynamic-host command to display the dynamic domain name resolution cacheinformation.

Any view

display dns server

Use the display dns server command to view the DNS server addresses manually configured.Any view

display domain

Use the display domain command to display the configuration information about one specific or all ISPdomains.

Any view

display diagnostic-information

Use the display diagnostic-information command to display the current configuration of all the runningmodules.

Any view

display dot1x

Use the display dot1x command to display 802.1x session information, statistics, or configurationinformation of specified or all ports.

Any view

display environment

Use the display environment command to display the temperature information, including the currenttemperature and temperature thresholds of cards.Any view

display fan

Use the display fan command to check the state of all built-in fans.Any view

display fib

Use the display fib command to display FIB forward information. If no parameters are specified, all FIBforward information will display.

Any view

display fib ip-address

Use the display fibip-address command to display forward information items that match the specifieddestination IP address. Each line in the export information stands for a FIB item.

Any view
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display fib statistics

Use the display fib statistics command to view the total number of FIB entries.Any view

display ftp-server

Use the display ftp-server command to display the FTP server-related settings of a switch when itoperates as an FTP server.

Any view

display ftp-userUse the display ftp-user command to display the parameter settings of current FTP users.

Any viewdisplay garp statistics

Use the display garp statistics command to display the GARP statistics on specified (or all) ports.Any view

display garp timer

Use the display garp timer command to display the values of the GARP timers on specified or all ports.Any view

display gvrp statistics

Use the display gvrp statistics command to display the GVRP statistics about specified (or all) Trunkports.

Any view

display gvrp status

Use the display gvrp status command to display the enable/disable status of GVRP.Any view

display habp

Use the display habp command to display HABP configuration and status information.Any view

display habp table

Use the display habptable command to display the MAC address table maintained by HABP.Any view

display habp traffic

Use the display habp traffic command to display statistics on HABP packets.Any view

display history-command

Use the display history-command command to view the history commands.Any view

display hotkey

Use the display hotkey command to display the shortcut key allocation informationAny view

display hwtacacs

Use the display hwtacacs command to view configuration or statistics information of specified or allTACACS+ schemes.

Any view

display icmp statistics

Use the display icmp statistics command to display statistics of ICMP flows.

Any view

display igmp-snooping group

Use the display igmp-snooping group command to view the multicast group information learned by IGMPSnooping.

Any view

display igmp-snooping statistics

Use the display igmp-snooping statistics command to view the statistics information of IGMPmessages learned by IGMP Snooping.

Any view

display info-center

Use the display info-center command to display configurations for all channels (except channel 6 to 8)of the information center.

Any view

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display interface

Use the display interface command to display the current state of a specified interface and relatedinformation.

Any view

display interface vlan-interface

Use the display interface vlan-interfacecommand to display the information about the managementVLAN interface.

Any viewdisplay ip host

Use the display ip host command to display the host names and corresponding IP addresses in the staticdomain name resolution resolving list.

Any view

display ip host

Use the display ip host command to display the host names and corresponding IP addresses in the staticdomain name resolution resolving list.

Any view

display ip https

Use the display ip https command to display the status information about the HTTPS server.Any view

display ip interface

Use the display ip interface command to display detailed information about IP for the specifiedinterface.

Any view

display ip interface brief

Use the display ip interface brief command to display brief information about the basic IPconfiguration on the specified or all interfaces.

Any view

display ip ip-prefix

Use the display ip ip-prefix command to display the statistics of IPv4 address prefix list. If noip-prefix-name is specified, statistics of all the address prefix lists will be displayed.

Any view

display ip routing-table

Use the display ip routing-table command to display summary information about active routes in therouting table.

Any view

display ip routing-table acl

Use the display ip routing-table acl command to display the routes permitted by the specified basicACL.

Any view.

display ip routing-table ip-address

Use the display ip routing-table ip-address command to display information about routes to aspecific destination address.

Any view

display ip routing-table ip-address1 ip-address2

Use the display ip routing-table ip-address1 ip-address2 command to display the information

about the routes with their destinations within the specified destination IP address range. Any view

display ip routing-table ip-prefix

Use the display ip routing-table ip-prefix command to display the information about the routesmatching a specified IP prefix list.

Any view

display ip routing-table protocol

Use the display ip routing-table protocol command to display the information about specific routeswith a specified origin.

Any view

display ip routing-table statistics

Use the display ip routing-table statistics command to display statistics about the public networkrouting table.

Any view
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display ip socket

Use the display ip socket command to display the information about the sockets in the current system.Any view

display ip statistics

Use the display ip statistics command to view the statistics information about IP packets.Any view

display ip ipv6-prefix

display ipv6 routing-table

display ipv6 routing-table acl

display ipv6 routing-table ipv6-address

display ipv6 routing-table ipv6-prefix

display ipv6 routing-table protocol

display ipv6 routing-table statistics

display ipv6 routing-table verbose

display lacp system-id

Use the display lacp system-id command to display the local system ID, which comprises system LACPpriority and system MAC address.

Any view

display link-aggregation interface

Use the display link-aggregation interface command to display the following information about linkaggregation on the specified port or ports.

Any view

display link-aggregation summary

Use the display link-aggregation summary command to display a summary for all link aggregationgroups. which includes: Local system ID, Link aggregation group ID, Link aggregation type, Remote systemID, Number of selected ports, Number of unselected ports, Load sharing type, and Master port number.

Any view

display link-aggregation verbose

Use the display link-aggregation verbose command to display detailed information about the specifiedor all link aggregation groups.

Any view

display local-proxy-arp

Use the display local-proxy-arp command to display whether local proxy ARP is enabled.Any view

display local-server statistics

Use the display local-server statistics command to view the statistics about all local RADIUSauthentication server.

Any view

display local-user

Use the display local-user command to display information about specified or all local users.Any view

display logbuffer

Use the display logbuffer command to display the status of the log buffer and the records in the logbuffer.

Any view

display logbuffer summary

Use the display logbuffer summary command to display the summary of the log buffer.Any view

display-loopback-detection

Use the display loopback-detection command to display the loopback detection status on the port.Any view

display mac-address

Use the display mac-address command to display MAC address table information.Any view

display mac-address aging-time

Use the display mac-address aging-time command to display the aging time of the dynamic entry in the

MAC address table.Any view
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display mac-authentication

Use the display mac-authentication command to display the global MAC authentication information orthe MAC authentication information about specified interfaces.

Any view

display memory

Use the display memory command to display the memory usage of a specified switch.Any view

display mirroring-groupUse the display mirroring-group command to display the information of a mirroring group.

Any view

display ndp

Use the display ndp command to display the global NDP configuration information, including the intervalto send NDP packets, the holdtime of NDP information, and the information about the neighbors of all theports.

Any view

display nqa

Use the display nqa to display results of an NQA test or tests.Any view

display ntdp

Use the display ntdp command to display the global NTDP information.

Any view

display ntdp device-list

Use the display ntdp device-list command to display the device information collected through NTDP.Any view

display ntp-service sessions

Use the display ntp-service sessions command to view the information of all NTP sessions. Withoutthe verbose keyword, this command displays the brief information of all NTP service sessions

Any view

display ntp-service status

Use the command display ntp-service status command to view the NTP service status information.Any view

display ntp-service trace

Use the display ntp-service trace command view the brief information of each NTP server along theNTP server chain from the local device back to the primary reference source.

Any view

display pki certificate

Use the display pki certificate command to display and browse through the certificate.Any view

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