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This chapter describes the command-line interface (CLI) available on the Catalyst 5000 family, 4000 family, 2926G series, and 2948G switches and contains the following sections:
"Acronyms," contains a list of acronyms used in this publication. For complete definitions of terms listed in this publication, refer to the Internetworking Terms and Acronyms publication.
The Catalyst 5000 family, 4000 family, 2926G series, and 2948G switches are multimodule systems. Commands you enter from the CLI can apply to the entire system or to a specific module, port, or VLAN.
You can configure and maintain the Catalyst 5000 family, 4000 family, 2926G series, and 2948G switches Ethernet, Fast Ethernet, Gigabit Ethernet, CDDI, and FDDI modules by entering commands from the switch CLI. The CLI is a basic command-line interpreter similar to the UNIX C shell. Using the CLI session command, you can access the router configuration software and perform tasks such as history substitution and alias creation.
You can access the switch CLI from a console terminal connected to an EIA/TIA-232 port or through a Telnet session. The CLI allows fixed baud rates. Telnet sessions disconnect automatically after remaining idle for a user-defined time period.
To access the switch through the console (EIA/TIA-232) port, perform these steps:
| Task | Command |
|---|---|
Step 1 From the Cisco Systems Console prompt, press Return. |
|
Step 2 At the prompt, enter the system password. The Console> prompt appears indicating that you have accessed the CLI in normal mode. | <password> |
Step 3 Enter the necessary commands to complete your desired tasks. | Appropriate commands |
Step 4 When finished, exit the session. | quit |
After connecting through the console port, you see this display:
Cisco Systems Console Enter password: Console> Console>
You can open multiple sessions to the switch through Telnet. To access the switch through a Telnet session, you must first set the IP address for the switch. To set the IP address, use the set interface command.
To access the switch from a remote host with Telnet, perform these steps:
| Task | Command |
|---|---|
Step 1 From the remote host, enter the telnet command and the name or IP address of the switch you want to access. | telnet hostname | ip_addr |
Step 2 At the prompt, enter the password for the CLI. If no password has been configured, press Return. | <password> |
Step 3 Enter the necessary commands to complete your desired tasks. | Appropriate commands |
Step 4 When finished, exit the Telnet session. | quit |
After connecting through a Telnet session, you see this display:
host% telnet cat5000-1.cisco.com Trying 172.16.44.30 ... Connected to cat5000-1.
This section describes command modes and functions that allow you to operate the switch CLI.
The CLI has two modes of operation: normal (login) and privileged (enable). Both are password-protected. Use normal-mode commands for everyday system monitoring. Use privileged commands for system configuration and basic troubleshooting.
After you log in, the system enters normal mode, which gives you access to normal-mode commands only. You can enter privileged mode by entering the enable command followed by the enable password. Privileged mode is indicated by the word "enable" in the system prompt. To return to normal mode, enter the disable command at the prompt.
The following example shows how to enter privileged mode:
Console> enable Enter password: <password> Console> (enable)
Switch commands are not case sensitive. You can abbreviate commands and parameters as long as they contain enough letters to be different from any other commands or parameters available in the same context. You can scroll through the last 20 commands stored in the history buffer, and enter or edit the command at the prompt. Table 1-1 describes the keys used for editing.
| Keystroke | Function |
|---|---|
Ctrl-A | Jumps to the first character of the command line. |
Ctrl-B or the left arrow key | Moves the cursor back one character. |
Ctrl-C | Escapes and terminates prompts and tasks. |
Ctrl-D | Deletes the character at the cursor. |
Ctrl-E | Jumps to the end of the current command line. |
Ctrl-F or the right arrow key1 | Moves the cursor forward one character. |
Ctrl-K | Deletes from the cursor to the end of the command line. |
Ctrl-L; Ctrl-R | Repeats current command line on a new line. |
Ctrl-N or the down arrow key1 | Enters next command line in the history buffer. |
Ctrl-P or the up arrow key1 | Enters previous command line in the history buffer. |
Ctrl-U; Ctrl-X | Deletes from the cursor to the beginning of the command line. |
Ctrl-W | Deletes last word typed. |
Esc B | Moves the cursor back one word. |
Esc D | Deletes from the cursor to the end of the word. |
Esc F | Moves the cursor forward one word. |
Delete key or Backspace key | Erases mistake when entering a command; reenter command after using this key. |
| 1The arrow keys function only on ANSI-compatible terminals such as VT100s. |
Commands that you enter during each terminal session are stored in a history buffer, which stores the last 20 commands you entered. History substitution allows you to access these commands without retyping them by using special abbreviated commands. Table 1-2 describes the history substitution commands.
| Command | Function |
|---|---|
| To repeat recent commands: | |
!! | Repeat the most recent command. |
!-nn | Repeat the nnth most recent command. |
!n | Repeat command n. |
!aaa | Repeat the command beginning with string aaa. |
!?aaa | Repeat the command containing the string aaa. |
| To modify and repeat the most recent command: | |
^aaa^bbb | Replace the string aaa with the string bbb in the most recent command. |
| To add a string to the end of a previous command and repeat it: | |
!!aaa | Add string aaa to the end of the most recent command. |
!n aaa | Add string aaa to the end of command n. |
!aaa bbb | Add string bbb to the end of the command beginning with string aaa. |
!?aaa bbb | Add string bbb to the end of the command containing the string aaa. |
You can abbreviate commands and keywords to the number of characters that allow a unique abbreviation.
You can abbreviate the show command to sh. After entering the command at the system prompt, press Return to execute the command.
The Tab key allows you to use the command-completion feature. When you enter a unique partial character string and press the Tab key, the system completes the command or keyword on the command line.
For example, if you enter co and press the Tab key, the system completes the command as configure because it is the only command that matches the criteria.
When the output of a command fills more than 1 terminal screen a ---More--- prompt is displayed at the bottom of the screen. To view the next line or screen, perform these tasks:
| Task | Keystrokes |
|---|---|
| Press the Return key. |
| Press the Spacebar. |
Like regular commands, aliases are not case sensitive. However, unlike regular commands, some aliases cannot be abbreviated. See Table 1-3 for a list of switch CLI aliases that cannot be abbreviated.
| Alias | Command |
|---|---|
? | help |
batch | configure |
di | show |
exit | quit |
logout | quit |
Modules, ports, and VLANs are numbered sequentially, beginning with 1. The supervisor engine module is module 1, residing in slot 1. If your Catalyst 5500 series switch has a redundant supervisor engine, the supervisor modules must be installed in slots 1 and 2.
To designate a specific module, use the module number. In most systems, the module number and the slot number are the same. However, in some cases the slot number and the module number are different. For example, the Route Switch Feature Card (RSFC) on the supervisor engine is physically in slot 1 or slot 2 but is logically identified as module 15 or module 16.
On the fixed-configuration switches, there are two logical modules. However, on the Catalyst 4912G switch and the Catalyst 2948G switch, there are two modules but only one slot. When you enter configuration commands on these switches, you must refer to the module number, not the slot number. For example, all of the user-configurable ports on these switches are logically on module 2.
On modules that have user-configurable ports, the left-most port is always port 1. To designate a specific port on a specific module, the command syntax is mod_num/port_num. For example, 3/1 specifies module 3, port 1. On the Catalyst 4912G switch and the Catalyst 2948G switch, the left-most switch port is numbered 2/1 rather than 1/1 because logically the ports are located on module 2.
With many commands, you can enter lists of ports. To specify a range of ports, use a comma-separated list (do not insert spaces) to specify individual ports or a hyphen (-) between the port numbers to specify a range of ports. Hyphens take precedence over commas.
Table 1-4 shows examples of how to designate ports and port ranges.
| Example | Function |
|---|---|
| Specifies port 1 on module 2 |
| Specifies ports 4, 5, 6, 7, and 8 on module 3 |
| Specifies ports 2 and 4 on module 5 and port 10 on module 6 |
3/1-2,4/8 | Specifies ports 1 and 2 on module 3 and port 8 on module 4 |
VLANs are identified using the VLAN ID, a single number associated with the VLAN. To specify a list of VLANs, use a comma-separated list (do not insert spaces) to specify individual VLANs or use a hyphen (-) between the VLAN numbers to specify a range of VLANs.
Table 1-5 shows examples of how to designate VLANs and VLAN ranges.
| Example | Function |
|---|---|
| Specifies VLAN 10 |
| Specifies VLANs 5, 10, and 15 |
10-50,500 | Specifies VLANs 10 through 50, inclusive, and VLAN 500 |
Some commands require you to specify a Media Access Control (MAC) address, which must be designated in a standard format. The MAC address format must be six hexadecimal numbers separated by hyphens, as shown in the following example:
00-00-0c-24-d2-fe
Some commands require an IP address, IP hostname, or IP alias. The IP address format is 32 bits, written in dotted decimal format, as shown in the following example:
172.16.10.1
If DNS is configured properly on the switch, you can use IP hostnames instead of IP addresses. For information on configuring DNS, see the Software Configuration Guide for your switch.
You also can configure IP aliases on the switch, which you can use in place of IP addresses. IP aliases can be used for most commands that use an IP address, except for commands that define the IP address or IP alias. For information on using IP aliases, see the Software Configuration Guide for your switch.
To display a list of top-level commands and command categories, enter help or ? in normal or privileged mode. Context-sensitive help (usage and syntax information) for individual commands can be seen by appending help or ? to any specific command. If you enter a command using the wrong number of arguments or inappropriate arguments, usage and syntax information for that command is displayed. Additionally, appending help or ? to a command category displays a list of commands in that category.
In normal mode, enter help or ? to display top-level commands and command categories, as follows:
Console> help Commands: ----------------------------------------------------------------------cd Set default flash devicedir Show list of files on flash deviceenable Enable privileged modehelp Show this messagehistory Show contents of history substitution bufferping Send echo packets to hostspwd Show default flash devicequit Exit from the Admin sessionsession Tunnel to ATM or Router moduleset Set, use 'set help' for more infoshow Show, use 'show help' for more infotraceroute Trace the route to a hostverify Verify checksum of file on flash devicewait Wait for x secondswhichboot Which file bootedConsole>
In privileged mode, enter help or ? to display top-level commands and command categories, as follows:
Console> (enable) help Commands: ----------------------------------------------------------------------cd Set default flash deviceclear Clear, use 'clear help' for more infoconfigure Configure system from networkcopy Copy files between TFTP/module/flash devicesdelete Delete a file on flash devicedir Show list of files on flash devicedisable Disable privileged modedisconnect Disconnect user sessiondownload Download code to a processorenable Enable privileged modeformat Format a flash devicehelp Show this messagehistory Show contents of history substitution bufferping Send echo packets to hostspwd Show default flash devicequit Exit from the Admin sessionreconfirm Reconfirm VMPSreload Force software reload to linecardreset Reset system or modulesession Tunnel to ATM or Router moduleset Set, use 'set help' for more infoshow Show, use 'show help' for more infoslip Attach/detach Serial Line IP interfacesqueeze Reclaim space used by deleted filesswitch Switch to standby <clock|supervisor>telnet Telnet to a remote hosttest Test, use 'test help' for more infotraceroute Trace the route to a hostundelete Undelete a file on flash deviceupload Upload code from a processorverify Verify checksum of file on flash devicewait Wait for x secondswhichboot Which file bootedwrite Write system configuration to terminal/networkConsole> (enable)
When you enter help or ? after some commands (such as clear, set, and show), a list of commands in that category is displayed. For example, the following display shows a partial list of commands for the clear category:
Console> (enable) clear help Clear commands: ----------------------------------------------------------------------------clear alias Clear aliases of commandsclear arp Clear ARP table entriesclear banner Clear Message Of The Day bannerclear boot Clear booting environment variableclear cam Clear CAM table entries...
Usage and syntax information for individual commands are displayed by appending help or ? to any specific command. For example, the following display shows usage and syntax information for the set length command:
Console> set length help
Usage: set length <screenlength>
(screenlength = 5..512, 0 to disable 'more' feature)
Console>
You can use the self-repeat feature and the keyword-lookup or partial-keyword-lookup functions by entering ?.
To use the keyword-lookup function, enter ? to display a list of valid keywords and arguments for a command. Insert a space between the last parameter and the question mark (?). For example, eight parameters are used by the set mls command. To see these parameters, enter set mls ? at the privileged prompt. The system displays all valid keywords and arguments as follows:
Console> (enable) set mls ? agingtime Set agingtime for MLS cache entry disable Disable MLS in the switch enable Enable MLS in the switch nde Configure Netflow Data Export flow Set minimum flow mask include Include MLS-RP multicast Set MLS feature for multicast statistics Add protocols to protocol statistics list Console> (enable) set mls
Note that the system repeats the command you entered without the ?.
To use the partial-keyword-lookup function, enter ? to display a list of commands that begin with a specific set of characters. Do not insert a space between the last letter of the variable and the question mark (?). For example, enter co? at the privileged prompt to display a list of commands that start with co. The system displays all commands that begin with co as follows:
Console> (enable) co? configure Configure system from network copy Copy files between TFTP/RCP/module/flash devices Console> (enable) co
Note that the system repeats the command you entered without the ?.
Table 1-6 identifies each command in the switch command set, shows the command syntax, provides a short description, and specifies the mode for the command. The available modes are:
| Command | Syntax | Description | Mode |
|---|---|---|---|
cd [[m/]device:] | Sets the default Flash device. | P | |
clear alias {name | all} | Clears the shorthand version of commands | P | |
clear arp {ip_addr | all} | Clears ARP table entries. | P | |
clear banner motd | Clears the message-of-the-day banner. | P | |
clear boot system all [mod] | Clears image names from the BOOT environment variable. | P | |
clear cam {mac_addr | dynamic | static | permanent} [vlan_num] | Clears CAM table entries. | P | |
clear cgmp statistics | Clears CGMP statistical information. | P | |
clear config mod_num | Clears the configuration and resets the system. | P | |
clear counters | Clears MAC and port counters. | P | |
clear drip statistics | Clears DRiP statistical information. | P | |
clear gmrp statistics {vlan | all} | Clears GMRP statistical information. | P | |
clear gvrp statistics {mod/port | all} | Clears GVRP statistical information. | P | |
clear igmp statistics | Clears IGMP statistical information. | P | |
clear ip alias {name | all} | Clears IP address aliases. | P | |
clear ip dns domain | Clears the default DNS domain name. | P | |
clear ip dns server {ip_addr | all} | Clears the IP address of a DNS server. | P | |
clear ip permit {ip_addr | all}[mask] | Clears hosts from the IP permit list. | P | |
clear ip route all | Clears IP routing table entries. | P | |
clear kerberos clients mandatory | Disables mandatory Kerberos authentication for services on the network. | P | |
clear kerberos credentials forward | Disables credential forwarding. | P | |
clear kerberos creds | Deletes all Kerberos credentials. | P | |
clear kerberos realm {dns-domain | host} kerberos-realm | Clears entry mapping the name of the Kerberos realm to a DNS domain or host name. | P | |
clear kerberos server kerberos-realm {hostname | ip-address} [port_number] | Clears a specified key distribution center entry. | P | |
clear kerberos srvtab entry kerberos-principal principal-type | Clears the SRVTAB file entered directly into the switch from the command line. | P | |
clear key config-key | Clears the config-key. | P | |
clear log [mod_num] | Deletes all entries in the system error log. | P | |
clear logging buffer | Clears the system logging buffer. | P | |
clear logging server ip_addr | Deletes a syslog server from the configuration. | P | |
clear mls entry ip [destination ip_addr_spec] [source ip_addr_spec] [flow protocol src_port dst_port] [all] | Clears the IP MLS entries in the Catalyst 5000 family and 2926G series switches. | P | |
clear mls entry ipx [destination ipx_addr_spec] [source ipx_addr_spec] [all] | Clears the IPX dynamic MLS entries in the Catalyst 5000 family and 2926G series switches. | P | |
clear mls include ip {ip_addr} [all] | Clears the IP MLS-RP feature in the Catalyst 5000 family and 2926G series switches. | P | |
clear mls include ipx {ip_addr} [all] | Clears the IPX MLS-RP feature in the Catalyst 5000 family and 2926G series switches. | P | |
clear mls multicast include{ip_addr | all} | Allows a MLS-RP router to participate in IP multicast MLS. | P | |
clear mls multicast statistics rp | Clears MLS statistics from the router processor. | P | |
clear mls nde flow | Clears the netflow data export filter in the Catalyst 5000 family and 2926G series switches. | P | |
clear mls statistics | Clears the IP or IPX MLS feature in the Catalyst 5000 family and 2926G series switches. | P | |
clear multicast router all | Clears multicast router ports. | P | |
clear ntp key {public_keynum | all} | Removes authentication key. | P | |
clear ntp server {ip_addr | all} | Deletes an NTP server from the server table. | P | |
clear port broadcast mod/ports... | Disables broadcast/multicast suppression on one or more ports. | P | |
clear port filter [mod_num/port_num] [mac_addr | protocol_type | all] | Clears all configured MAC addresses or protocol filters or those filters configured on a specific port. | P | |
clear port host | Clears host and access ports back to default. | P | |
clear port qos mod/ports... cos | Returns the values set by the set port qos command to the default values for all ports. | P | |
clear port security mod_num/port_num {mac_addr | all} | Returns the values set by various QoS commands to the default values. | P | |
clear qos config | Returns the values set by the set qos command to the default values and deletes the CoS-to-MAC address mappings. | P | |
clear qos defaultcos | Restores the default CoS value for the entire switch | P | |
clear qos ip-filter [ACE#] | Returns the values set by the set qos ip-filter command to the default values for all ports. | P | |
clear qos mac-cos dest_mac [vlan] | Returns the values set by the set qos mac-cos command to the default values. | P | |
clear qos map port_type | Returns the values set by the set qos map command to the default values. | P | |
clear qos router-mac mac_address vlan | Returns the values set by the set qos router-mac command to the default values. | P | |
clear radius key | Clears RADIUS shared keys from the RADIUS shared key table. | P | |
clear radius server all | Clears RADIUS servers from the RADIUS server table. | P | |
clear snmp trap {rcvr_addr | all} | Clears SNMP trap receiver addresses. | P | |
clear spantree portvlancost mod_num/port_num preferred_vlans | Clears spanning-tree path cost to a VLAN on a port. | P | |
clear spantree portvlanpri mod_num/port_num vlans | Clears spanning-tree port VLAN priority. | P | |
clear spantree root vlans | Restores the switch priority and Spanning-Tree Protocol parameters to the default values. | P | |
clear spantree statistics mod_num/port_num | Clears spanning-tree statistics. | P | |
clear spantree uplinkfast | Turns off the UplinkFast features and returns the switch priority and port costs to the factory default values. | P | |
clear tacacs key | Clears the key used for TACACS+ authentication and encryption. | P | |
clear tacacs server {ip_addr | all} | Removes a host from the list of TACACS+ servers. | P | |
clear timezone | Clears NTP time zone information. | P | |
clear top {all | report_num} | Stops the TopN process. | P | |
clear trunk mod/ports... [vlans] | Resets trunk ports and clears information from the trunk table. | P | |
clear vlan vlan_num | Deletes a VLAN from a management domain. | P | |
clear vlan mapping dot1q {1q_vlan_num | all} | Deletes existing 802.1Q VLAN to ISL VLAN-mapped pairs. | P | |
clear vmps server ip_addr | Removes a VMPS server from the VMPS table. | P | |
clear vmps statistics | Deletes VMPS statistics. | P | |
clear vtp pruneeligible vlan_num | Turns off the pruning eligibility of a VLAN. | P | |
clear vtp statistics | Deletes VTP statistics. | P | |
configure host file [rcp] | Downloads a configuration file from the network and executes each command in the file. | P | |
copy file-id {file-id | tftp | rcp | flash | config} | Copies software images between a Supervisor Engine III and the Catalyst 4000 and 2948G switch supervisor engine modules and a host. | P | |
delete [[m/]device:] filename | Deletes a file. | P | |
dir [[m/]device:][filename] [all | deleted | long] | Displays a list of files on a Flash device (switch command). | N | |
disable | Returns the CLI to normal mode. | P | |
disconnect {ip_addr | console} | Closes an active console port or Telnet session. | P | |
download host file [mod_num] [rcp] | Copies a software image from a host to a module's Flash memory. | P | |
download vmps mod [rcp] | Downloads VMPS database information. | P | |
enable | Activates CLI privileged mode. | N | |
format [spare spare-num] [m/]device1:[[device2:][monlib_filename]] | Formats a Flash device. | P | |
history | Shows the contents of the command history buffer. | N | |
ping [-s] host [packet_size] [packet_count] | Sends ICMP echo request packets to another node on the network. | N | |
pwd [mod] | Shows the current setting of the cd command. | P | |
quit | Exits the CLI session. | N | |
reconfirm vmps | Reconfirms the current dynamic port VLAN membership with VMPS. | P | |
reload mod_num | Forces a Gigabit EtherChannel switching module to accept a download. | P | |
reset [system] | Sets the system to its default values or configures the system as an individual module. | P | |
session mod_num | Connects the CLI to a session on a module (such as the ATM or RSM modules). | P | |
set alias name command [parameter] [parameter] | Creates an alias for a command. | P | |
set arp ip_addr hw_addr | Creates an ARP table entry and sets the ARP entry aging time. | P | |
set authentication enable {local | radius | tacacs | kerberos} enable [console | telnet | both] [primary] | Set authentication using TACACS+ or RADIUS server to determine access permissions. | P | |
set authentication login {local | radius | tacacs | kerberos} enable [console | telnet | both] [primary] | Sets authentication method. | P | |
set banner motd c [text] c | Sets the message-of-the-day banner. | P | |
set boot auto-config device:filename [;<device:filename>...] [mod_num] | Specifies one or more configuration files to use to configure the switch at startup and to set the recurrence option. | P | |
set boot config-register 0xvalue [mod_num] | Sets the boot configuration register attributes. | P | |
set boot system flash device:[filename][prepend] [mod_num] | Sets the boot system flash device. | P | |
set bridge apart {enable | disable} | Enables or disables APaRT on FDDI. | P | |
set bridge fddicheck {enable | disable} | Enables or disables FDDICHECK on FDDI. | P | |
set bridge ipx 8022toether {8023 | snap | eii | 8023raw} | Sets the default mode for translating IPX frames from FDDI 802.2 to Ethernet. | P | |
set bridge ipx 8023rawtofddi {8022 | snap | fddiraw} | Sets the default mode for translating IPX frames from Ethernet 802.3 raw to FDDI. | P | |
set bridge ipx snaptoether {8023 | snap | eii | 8023raw} | Sets the default mode for translating IPX FDDI SNAP frames to Ethernet frames. | P | |
set cam {dynamic | static | permanent} {unicast_mac} {mod/port} [vlan] | Creates a CAM table entry and sets the CAM aging time. | P | |
set cdp {enable | disable} [mod/ports...] | Enables and disables CDP on a port. | P | |
set cdp holdtime holdtime | Configures the CDP hold time. | P | |
set cdp interval interval | Sets the message interval for CDP. | P | |
set cgmp {enable | disable} | Enables or disables CGMP. | P | |
set cgmp leave {enable | disable} | Enables or disables CGMP leave processing. | P | |
set channel cost {channel_id | all} [cost] | Sets the spanning-tree port cost for an EtherChannel port bundle. | P | |
set channel vlancost channel_id [cost] | Sets the spanning-tree port-VLAN cost for an EtherChannel port bundle. | P | |
set enablepass | Sets the enable (privileged) password. | P | |
set fddi alarm mod_num/port_num value | Sets the LER-alarm value. | P | |
set fddi cutoff mod_num/port_num value | Sets the LER-cutoff value. | P | |
set fddi tlmin mod_num/port_num microseconds | Sets the TL_MIN value for an FDDI port. | P | |
set fddi tnotify mod_num time | Sets the T_Notify timer value for an FDDI port. | P | |
set fddi treq mod_num time | Sets the TRequest value for an FDDI module. | P | |
set fddi userdata mod_num [userdata_string] | Sets the user-data string in the SMT MIB of an FDDI module. | P | |
set garp timer timer_type timer_value | Adjusts the values of the join, leave, and leaveall timers. | P | |
set gmrp {enable | disable} | Enables or disables the GMRP feature on this switch, in all VLANs, and on all ports. | P | |
set gmrp fwdall {enable | disable} mod/port... | Enables or disables the Forward All feature on a specifed port. | P | |
set gmrp registration registration-type mod/port... | Specifies the GMRP registration type. | P | |
set gmrp timer timer_type timer_value | Adjusts the values of the join, leave, and leaveall timers. | P | |
set gvrp {enable | disable} | Enables or disables the GVRP feature on this switch, in all VLANs, and on all ports. | P | |
set gvrp applicant normal | active mod/port... | Specifies whether or not a VLAN is declared out of blocking ports. | P | |
set gvrp dynamic-vlan-creation {enable | disable} | Enables or disables dynamic VLAN creation. | P | |
set gvrp registration {normal | fixed | forbidden} mod/port... | Sets the administrative control of an outbound port. | P | |
set gvrp timer {timer_type} {timer_value} | Adjusts the values of the join, leave, and leaveall timers. | P | |
set igmp {enable | disable} | Enables or disables IGMP snooping on the switch. | P | |
set igmp fastleave {enable | disable} | Enables or disables IGMP fastleave processing | P | |
set interface {sc0 | sl0 | me1} {up | down} | Sets a network interface configuration and enables or disables standard SNMP trap operation. | P | |
set interface trap {sc0 | me1 | sl0} {enable | disable} | Enables or disables SNMP link up/down traps on the switch interfaces | P | |
set ip alias name ip_addr | Creates an alias for an IP address. | P | |
set ip dns {enable | disable} | Enables or disables DNS. | P | |
set ip dns domain name | Sets the default DNS domain name. | P | |
set ip dns server ip_addr [primary] | Sets the IP address of a DNS server. | P | |
set ip fragmentation {enable | disable} | Enables or disables IP fragmentation for packets bridged between FDDI and Ethernet networks. | P | |
set ip permit {enable | disable} | Enables or disables the IP permit list and creates entries in the IP permit list. | P | |
set ip redirect {enable | disable} | Enables or disables ICMP redirect messages. | P | |
set ip route default gateway [metric][primary] | Adds entries to the IP routing table. | P | |
set ip unreachable {enable | disable} | Enables or disables ICMP unreachable messages. | P | |
set kerberos clients mandatory | Makes Kerberos authentication mandatory for authenticating to services on the network. | P | |
set kerberos credentials forward | Configures clients to forward users' credentials when connecting to other hosts. | P | |
set kerberos local-realm kerberos-realm | Configures switch to authenticate users defined in Kerberos database. | P | |
set kerberos realm dns-domain | host kerberos-realm | Maps the name of a Kerberos realm to a DNS or host name. | P | |
set kerberos server kerberos-realm hostname | ip-address [port-number] | Specifies key distribtion center to the switch. | P | |
set kerberos srvtab entry kerberos-principal principal-type timestamp key-version number key-type key-length encrypted-keytab | Enters the SRVTAB file directly into the switch from the command line. | P | |
set kerberos srvtab remote {hostname | ip-address} {file name} | Provides the switch with SRVTAB file on the key distribtion center. | P | |
set key config-key string | Defines a private DES key for the switch. | P | |
set length number [default] | Sets the number of lines in the terminal display screen. | P | |
set logging buffer buffer_size | Limits the messages buffered. | P | |
set logging console {enable | disable} | Enables and disables system message logging to the console. | P | |
set logging history syslog_history_table_size | Sets the size of the syslog history table. | P | |
set logging level facility severity [default] | Sets the facility and severity level for system message logging. | P | |
set logging server {enable | disable} | Enables, disables, or configures system message logging to syslog servers and adds syslog servers to the system logging server table. | P | |
set logging session {enable | disable} | Enables or disables system logging messages to the current login session. | P | |
set logging timestamp {enable | disable} | Enables or disables the timestamp display on system logging messages. | P | |
set logout timeout | Sets the number of minutes before an automatic logout. | P | |
set mls {enable | disable} {ip | ipx} | Enables and disables IP or IPX MLS on the switch. | P | |
set mls agingtime {ip | ipx} agingtime | Configures the MLS feature in the Catalyst 5000 family and 2926G series switches. | P | |
set mls agingtime fast fastagingtime pkt_threshold | Configures the MLS fast-aging time feature in the Catalyst 5000 family and 2926G series switches. | P | |
set mls flow {destination | destination-source | full} | Specifies the minimum flow mask used for MLS. | P | |
set mls include {ip | ipx} ip_addr1 [ip_addr2...] | Use the set mls include command to specify routers to add to the IP MLS-RP include list. | P | |
set mls multicast {enable | disable} | Configures the IP multicast MLS feature in the Catalyst 5000 family and 2926G series switches. | P | |
set mls multicast include ip_addr | Specifies routers to add to the IP MMLS-RP include list. | P | |
set mls nde {disable | enable} | Configures the NDE feature to allow command exporting statistics to the preconfigured collector. | P | |
set mls statistics protocol protocol port | Specifies protocols and ports for which to gather MLS statistics. | P | |
set module disable mod_num | Disables a module. | P | |
set module enable mod_num | Enables a module. | P | |
set module name mod_num [mod_name] | Sets the name of a module. | P | |
set multicast router mod_num/port_num | Configures multicast router ports. | P | |
set ntp authentication enable | disable | Enables or disables the NTP authentication feature. | P | |
set ntp broadcastclient {enable | disable} | Enables or disables NTP in broadcast-client mode. | P | |
set ntp broadcastdelay microseconds | Configures a delay for the receiving of broadcast NTP packets. | P | |
set ntp client {enable | disable} | Enables or disables the switch as an NTP client. | P | |
set ntp key public_keynum {trusted | untrusted} | Defines an NTP authentication key pair or specifies a key to be trusted or untrusted. |
| |
set ntp server ip_addr [key public_keynum] | Configures an authentication key to an NTP server. | P | |
set password | Sets the console password. | P | |
set port broadcast mod_num/port_num threshold[%] | Sets the broadcast/multicast suppression for one or more ports. | P | |
set port channel port_list [admin_group] | Configures Fast EtherChannel on two or more ports. | P | |
set port disable mod_num/port_num | Disables a port. | P | |
set port duplex mod_num/port_num {full | half} | Sets the port duplex mode. | P | |
set port enable mod_num/port_num | Enables a port or a range of ports. | P | |
set port filter mod_num/port_num {mac_addr | protocol_type} {permit | deny} | Configures a MAC address filter or a protocol filter. | P | |
set port flowcontrol mod_num/port_num {receive | send} {off | on | desired} | Sets the receive flow-control value for a particular port. | P | |
set port gmrp {mod/ports...} {enable | disable} | Enables or disables GMRP on specified ports, in all VLANs. | P | |
set port gvrp {mod/ports...} {enable | disable} | Enables or disables GVRP on specified ports, in all VLANs. | P | |
set port host | Configures host and access ports. |
| |
set port level mod_num/port_num {normal | high} | Sets the priority level of a port. | P | |
set port membership mod_num/port_num {dynamic | static} | Dynamically or statically assigns a port to a VLAN membership. | P | |
set port name mod_num/port_num [port_name] | Sets the name of a port. | P | |
set port negotiation mod_num/port_num [enable | disable] | Sets the link negotiation protocol for a port. | P | |
set port protocol mod_num/port_num... {ip | ipx | group} {on | off | auto} | Enables or disables protocol membership of ports. | P | |
set port qos mod/ports... cos cos_value | Assigns CoS value to a port. | P | |
set port security mod/ports... {enable | disable} [mac_addr] | Enables or disables port security on a port of an Ethernet module. | P | |
set port speed mod_num/port_num {4 | 10 | 16 | 100 | auto} | Sets the port speed. | P | |
set port trap mod_num/port_num {enable | disable} | Enables or disables the standard SNMP link trap (up or down) for a port. | P | |
set prompt prompt_string | Sets the CLI prompt. | P | |
set protocolfilter {enable | disable} | Activates or deactivates protocol filtering. | P | |
set qos {enable | disable} | Enables or disables QoS functionality. | P | |
set qos defaultcos cos_value | Defines the default CoS value for the entire switch. | P | |
set qos ip-filter cos {src_ip_addr_spec} {dest_ip_addr_spec} [before ACE# | modify ACE#] | Creates a new IP ACE. | P | |
set qos mac-cos dest_mac vlan cos | Assigns a CoS value to all frames. | P | |
set qos map port_type q# thr# cos coslist | Assigns CoS values to a transmit drop threshold. | P | |
set qos router-mac mac_address vlan | Assigns a MAC address to a router. | P | |
set qos wred-threshold port_type [rx | tx] queue {q# thr1 thr2 thr3 thr4} | Configures the transmit drop thresholds for all ports on the switch. | P | |
set radius deadtime minutes | Sets time to skip RADIUS servers that do not reply. | P | |
set radius key {key} | Sets RADIUS encryption key. | P | |
set radius retransmit count | Sets iterations of RADIUS server list. | P | |
set radius server ipaddr [auth-port port] [primary] | Sets RADIUS server address. | P | |
set radius timeout seconds | Sets time to wait for RADIUS server reply. | P | |
set rcp username username | Specifies your username for RCP file transfers. | P | |
set rsmautostate {enable | disable} | Sets the line protocol state determination of the RSMs due to Catalyst 5000 family and 2926G series port state changes. | P | |
set snmp community {read-only | read-write | read-write-all} [community_string] | Sets SNMP communities and associated access types. | P | |
set snmp extendedrmon {enable | disable} | Enables or disables the Network Analysis Module. | P | |
set snmp extendedrmon netflow {enable password | disable} | Enables or disables the Netflow extended SNMP RMON support. | P | |
set snmp extendedrmon vlanagent {enable | disable} | Enables or disables the VLANagent option. | P | |
set snmp extendedrmon vlanmode {enable | disable} | Enables or disables the VLAN mode for extended SNMP RMON. | P | |
set snmp rmon {enable | disable} | Enables or disables SNMP RMON support. | P | |
set snmp trap {enable | disable} [all | module | chassis | bridge | repeater | auth | vtp | ippermit | vmps | config | entity | stpx] | Enables or disables SNMP traps. Also sets the SNMP trap receiver address and community. | P | |
set span disable [dest_mod/dest_port | all] | Enables or disables SPAN. Also sets the source and destination SPAN ports. | P | |
set spantree backbonefast {enable | disable} | Enables or disables the Spanning-Tree Backbone Fast Convergence feature. | P | |
set spantree disable all | Disables spanning tree. | P | |
set spantree enable all | Enables spanning tree. | P | |
set spantree fwddelay delay [vlan] | Sets the bridge forward delay for a VLAN. | P | |
set spantree hello interval [vlan] | Sets the bridge hello interval for a VLAN. | P | |
set spantree maxage agingtime [vlan] | Sets the bridge maximum aging time for a VLAN. | P | |
set spantree multicast-address trbrf_num {ieee | ibm} | Specifies the bridge functional address instead of the IEEE Spanning-Tree Protocol address. | P | |
set spantree portcost {mod_num/port_num | trcf} cost | Sets the bridge path cost for a port. | P | |
set spantree portfast mod_num/port_num {enable | disable} | Enables or disables fast-start mode on a port. | P | |
set spantree portpri {mod_num/port_num | trcrf} [priority | trcrf_priority] | Sets the bridge priority for a spanning-tree port. | P | |
set spantree portstate trcf {block | forward | auto} [trbrf] | Sets the forwarding state for a spanning-tree port. | P | |
set spantree portvlancost mod_num/port_num [cost cost_value] [preferred_vlans] | Assigns a lower path cost to a set of VLANs on a port. | P | |
set spantree portvlanpri mod_num/port_num priority [vlans] | Sets the port priority for a subset of VLANs in the trunk port. | P | |
set spantree priority bridge_priority [vlan] | Sets the bridge priority for a VLAN. | P | |
set spantree root [secondary] [vlan_list] [dia network_diameter] [hello hello_time] | Sets the primary or secondary root for specific VLANs or for all VLANs of the switch. | P | |
set spantree uplinkfast enable [rate station_update_rate] [all-protocols {off | on}] | Enables fast switchover to alternate ports when the root port fails. | P | |
set summertime {enable | disable} [zone] | Sets the clock adjustment for daylight saving time. | P | |
set system baud rate | Sets the console port baud rate. | P | |
set system contact [contact_string] | Sets the system contact information. | P | |
set system location [location_string] | Sets the system location information. | P | |
set system modem {enable | disable} | Enables or disables modem control lines on the console port. | P | |
set system name [name_string] | Sets the system name. | P | |
set tacacs attempts count | Sets the maximum number of TACACS+ login attempts allowed. | P | |
set tacacs directedrequest {enable | disable} | Sets the TACACS+ directed-request option. | P | |
set tacacs key key | Sets the TACACS+ authentication and encryption key. | P | |
set tacacs server ip_addr [primary] | Sets the IP address of TACACS+ servers. | P | |
set tacacs timeout seconds | Sets the response timeout interval for the TACACS+ server daemon. | P | |
set time [day_of_week] [mm/dd/yy] [hh:mm:ss] | Sets the system time. | P | |
set timezone [zone_name] [hours [minutes]] | Sets the time zone. | P | |
set tokenring acbits mod_num/port_num {enable | disable | sronly | never | always} | Sets whether AC bits are set unconditionally when a port forwards certain LLC frames. | P | |
set tokenring configloss mod_num/port_num [threshold thresh_num] [interval int_num] | Sets thresholds that, when exceeded, cause the port to be administratively disabled. | P | |
set tokenring distrib-crf {enable | disable} | Enables or disables distribution of TrCRF VLANs. | P | |
set tokenring etr mod_num/port_num {enable | disable} | Enables or disables the early token release procedure when transmitting frames. | P | |
set tokenring explorer-throttle mod_num/port_num maximum_explorers | Controls the number of incoming explorer frames per second allowed on a Token Ring module port. | P | |
set tokenring locallearning mod_num/port_num enable | disable | Enable or disables local MAC address learning on a Token Ring port. | P | |
set tokenring portaging mod_num/port_num agingtime | Specifies the address aging limits for a Token Ring port. | P | |
set tokenring portmode mod_num/port_num {auto | fdxcport | hdxcport | fdxstation | hdxstation | riro} | Specifies the connection type and access protocol used by a port. | P | |
set tokenring priority mod_num/port_num {threshold thresh_num | minxmit min_num} | Specifies the highest and lowest Token Ring frame priority. | P | |
set tokenring reduction {enable | disable} | Reduces broadcast storms in an externally looped network. | P | |
set trunk mod_num/port_num [on | off | desirable | auto | nonegotiate] [vlan_range] [isl | dot1q | dot10 | lane | negotiate] | Configures trunk ports. | P | |
set udld enable | disable mod/ports... | Enables or disables UDLD on a port. | P | |
set vlan vlan_num mod_num/port_list | Creates and configures options for VLANs. | P | |
set vlan mapping dot1q 1q_vlan_num isl isl_vlan_num | Maps 802.1Q VLANs to ISL VLANs. | P | |
set vmps downloadmethod {rcp | tftp} [username] | Specifies use of TFTP or RCP to download the VMPS database. | P | |
set vmps downloadserver ip_addr [filename] | Specifies use of TFTP or RCP server's IP address from the downloaded VMPS database and the VMPS storage location. | P | |
set vmps server ip_addr [primary] | Sets the IP address of the VMPS server. | P | |
set vmps state {enable | disable} | Enables or disables VMPS. | P | |
set vtp [domain domain_name] [mode {client | server | transparent}] [passwd passwd] [pruning {enable | disable}] [v2 {enable | disable}] | Sets VTP options. | P | |
set vtp pruneeligible vlans | Configures pruning eligibility for the device. | P | |
show alias [name] | Shows aliases for commands. | N | |
show arp [ip_addr | hostname][noalias] | Shows the ARP table. | N | |
show authentication | Displays authentication information. | N | |
show boot [mod_num] | Displays the contents of the BOOT environment variables and the configuration register setting. | N | |
show bridge | Displays bridge information. | N | |
show cam [count]{dynamic | static | permanent | system} [vlan] | Shows the CAM table. | N | |
show cam agingtime | Shows CAM aging time information for all configured VLANs. | N | |
show cam mlsrp {ip_addr}[vlan] | Shows the specified router entries in the MLS forwarding table. | N | |
show cdp | Displays CDP information. | N | |
show cgmp leave | Displays CGMP leave feature statistical information. | N | |
show cgmp statistics [vlan_id] | Displays CGMP statistical information. | N | |
show channel [channel_id] [statistics | mac | info [spantree | trunk | protocol | gmrp | gvrp | qos]] | Displays EtherChannel configuration and statistics information for a channel based on EtherChannel ID. | N | |
show channel group [admin_group] [statistics | info [spantree | trunk | protocol | gmrp | gvrp | qos]] | Displays EtherChannel configuration and statistics information for a channel based on EtherChannel administrative group membership. | N | |
show config {system | mod_num} [all] | Shows the current system configuration. | P | |
show counters mod/port | Displays hardware counters for a port. | N | |
show drip statistics | Displays DRiP statistical information. | P | |
show dvlan statistics | Displays DVLAN statistical information. | N | |
show fddi | Displays the settings of the FDDI/CDDI modules. | N | |
show fddicam mod_num [fddi] [mac_addr] | Displays the CAM table for the FDDI/CDDI modules. | N | |
show file [device:] filename [dump] | Displays the contents of a file. | P | |
show flash [[m/]device:] [all | chips | filesys] | Lists Flash code information. | N | |
show gmrp configuration | Displays complete GMRP-related configuration information. | N | |
show gmrp statistics [vlan] | Displays all the GMRP-related statistics for a specified VLAN. | N | |
show gmrp timer | Displays all the values for the GARP timers. | N | |
show gvrp configuration | Displays all the GVRP configuration information. | N | |
show gvrp statistics [mod/port] | Displays all the GVRP-related statistics. | N | |
show ifindex number | Displays ifIndex information. | N | |
show igmp statistics [vlan_id] | Displays IGMP statistics for a particular VLAN. | N | |
show imagemib flash | filename | Displays image information provided in the CISCO-IMAGE-MIB for a particular image. | N | |
show interface | Shows information about network interfaces and standard SNMP link trap operation | N | |
show ip alias [name] | Shows aliases for IP addresses. | N | |
show ip dns | Shows the DNS name server and the default domain name. | N | |
show ip permit [noalias] | Shows IP permit list information. | N | |
show ip route [noalias] | Displays the IP routing table. | N | |
show kerberos | Displays Kerberos configuration. | N | |
show kerberos creds | Displays Kerberos credentials on the switch. | N | |
show log [mod_num] | Displays the error log for the system or a specific module. | N | |
show logging [noalias] | Displays the system message log configuration. | N | |
show logging buffer [-] [number_of_messages] | Displays system messages from the internal buffer. | N | |
show mac [mod_num[/port_num]] | Shows MAC counters. | N | |
show microcode | Displays the switch microcode version. | N | |
show mls [ip | ipx] | Displays IP and IPX MLS configuration and status information. | N | |
show mls debug | Displays a list of all MLS-related debugging information. | P | |
show mls entry [ip] [qos] [rp ip_addr] [destination ip_addr_spec] [source ip_addr_spec] [flow protocol src_port dst_port] | Displays IP and IPX MLS cache entries. | N | |
show mls include [ip | ipx] [noalias] | Displays information about the routers in the IP MLS-RP include list and the IPX MLS-RP include list. | N | |
show mls multicast entry [rp rp_ip_addr] [vlan vlan_id] [group group_ip_addr] [source source_ip_addr] [all] [short | long] | Displays IP multicast MLS cache entries. | N | |
show mls multicast include | Displays information about the routers in the IP multicast MLS-RP include list | N | |
show mls multicast statistics rp {ip_addr} | Displays IP multicast MLS statistics for MMLS-RPs. | N | |
show mls nde | Displays NDE configuration and status information. | N | |
show mls rp {ip | ipx} ip_addr [noalias] | Displays MLS shortcut information. | N | |
show mls statistics [ip | ipx] [rp ip_addr] | Displays MLS statistical information. | N | |
show module [mod_num] | Shows module information. | N | |
show moduleinit [mod_num] [log lognum | -logcount] | Displays contents of the information stored in the system module bringup log. | N | |
show multicast group [mac_addr] [vlan_id] | Displays the multicast group configuration. | N | |
show multicast group count [vlan_id] | Shows the total count of multicast addresses (groups) in a VLAN. | N | |
show multicast router [cgmp | igmp] [mod_num/port_num] [vlan_id] | Displays the multicast router configuration. | N | |
show netstat [tcp | udp | ip | icmp | routes | stats | interfaces] | Shows currently active network connections and network statistics for the TCP/IP stack. | N | |
show ntp | Displays the current NTP status. | N | |
show port [mod_num[/port_num]] | Shows port status and counters. | N | |
show port broadcast [mod_num[/port_num]] | Displays broadcast information. | N | |
show port capabilities [mod_num[/port_num]] | Displays the capabilities of the modules and ports in a switch. | N | |
show port cdp [mod_num[/port_num]] | Displays port CDP information. | N | |
show port channel [mod_num[/port_num]] [statistics | info [spantree | trunk | protocol | gmrp | gvrp | qos]] | Shows EtherChannel information. | N | |
show port counters [mod_num/port_num] | Displays the counters for a port. | N | |
show port filter [mod_num] [canonical] | Displays configured MAC addresses and protocol filters. | N | |
show port flowcontrol [mod_num[/port_num]] | Displays per port flow control status and statistics. | N | |
show port ifindex [mod_num] | Displays ifIndex information on a per-port or per-module basis. | N | |
show port negotiation [mod_num[/port_num]] | Displays the link negotiation protocol setting for the specified port. | N | |
show port protocol [mod_num[/port_num]] | Displays protocol filters. | N | |
show port qos mod_num/port_num | Displays QoS-related information for a specifc port or all ports on a module. | N | |
show port security mod/ports... [statistics] | Views port security configuration and security information. | P | |
show port security statistics mod | mod/port [system] | Displays port security configuration statistics. | P | |
show port status [mod_num[/port_num]] | Displays port status information. | N | |
show proc [cpu | mem] {mod_num} | Displays CPU and process information. | P | |
show protocolfilter | Displays enabled or disabled status of protocol filters. | N | |
show qos info {runtime | config} | Displays the currently configured QoS-related information for a specified port. | N | |
show qos ip | Displays the access control list. | N | |
show qos mac-cos dest_mac [vlan] | Displays the currently configured QoS-related information MAC/VLAN pair. | N | |
show qos router-mac [mac_addr | vlan] | Displays QoS router information for the MAC address and VLAN pair. | N | |
show qos statistics {mod_num[/port_num]} | Displays the various QoS-related counters for a specified port. | N | |
show radius [noalias] | Displays configured RADIUS parameters. | N | |
show rif [vlan_num] | Displays RIF information. | N | |
show rsmautostate mod_num | Displays the line protocol state determination of the RSMs. | N | |
show snmp [noalias] | Shows SNMP information. | N | |
show span | Shows SPAN port monitoring information. | N | |
show spantree [vlan | mod_num/port_num] [active] | Shows spanning-tree information. | N | |
show spantree backbonefast | Displays whether the spanning-tree Backbone Fast Convergence feature is enabled. | N | |
show spantree blockedports [vlan_num] | Displays only the blocked ports. | N | |
show spantree portstate [trcrf ] | Determines the current spanning-tree state of a Token Ring port within a spanning tree. | N | |
show spantree portvlancost mod_num/port_num | Displays the path cost for the VLANs on a port. | N | |
show spantree statistics mod_num/port_num [vlan] | Displays spanning-tree statistical information. | N | |
show spantree summary | Displays a summary of spanning-tree information. | N | |
show spantree uplinkfast | Displays UplinkFast settings information. | N | |
show standbyports | Displays the current status of the standby ports feature. | N | |
show station controltable [mod_num[/port_num]] | Displays a collection of statistics and status information associated with each Token Ring station on the local ring. | N | |
show station ordertable [mod_num[/port_num]] | Displays a listing of the order of stations on the monitored rings. | N | |
show summertime | Displays the current status of the summertime feature. | N | |
show system | Shows system information. | N | |
show tacacs [noalias] | Displays the TACACS+ configuration. | N | |
show test [mod_num] | Shows the results of diagnostic tests. | N | |
show time | Shows the current system time. | N | |
show timezone | Shows the current time zone and offset. | N | |
show tokenring | Displays various Token Ring configuration parameters. | N | |
show top [N] [metric] [interval interval] [port_type] [background] | Starts the TopN process. | N | |
show top report [report_num] | Lists all TopN processes and specific TopN reports. | N | |
show traffic | Displays traffic/peak information. | N | |
show trunk [mod_num[/port_num]][detail] | Shows trunking information for the switch. | N | |
show udld | Displays UDLD information. | N | |
show users [noalias] | Shows whether the console port is active. Also lists all active Telnet sessions. | N | |
show version | Shows software and hardware version information. | N | |
show vlan [trunk] | Shows VLAN information. | N | |
show vlan mapping | Shows VLAN mapping information. | N | |
show vmps [noalias] | Displays VMPS configuration information. | N | |
show vmps mac [mac_addr] | Displays the MAC-address-to-VLAN mapping table. | N | |
show vmps statistics | Displays VMPS statistics. | N | |
show vmps vlan vlan_name | Displays MAC address to VLAN mappings in the VMPS table. | N | |
show vmps vlanports vlan_name | Displays ports belonging to a restricted VLAN. | N | |
show vtp domain | Shows VTP domain information. | N | |
show vtp statistics | Shows VTP statistics. | N | |
slip {attach | detach} | Attaches or detaches SLIP for the console port. | P | |
squeeze [m/]device: | Permanently deletes Flash files. | P | |
switch {clock | supervisor} | Switches between clocks or from the active to the standby supervisor. | P | |
telnet host [port_num] | Starts a Telnet connection to a remote host. | P | |
test snmp trap trap_num [specific_num] | Sends an SNMP trap message to the trap receivers. | P | |
traceroute [-n] [-w wait_time] [-i initial_ttl] [-m max_ttl] [-p dest_port] [-q nqueries] [-t tos] host [data_size] | Displays a hop-by-hop path through an IP network from the Catalyst 5000, 4000, 2948G, and 2926G series switches to a specific destination host. | P | |
undelete index [[m/]device:] | Undeletes a file. | P | |
upload host file [mod_num] [rcp | tftp] | Uploads a software image to a network host. | P | |
verify [[m/]device:] filename | Verifies the checksum of a file on a Flash device. | P | |
wait seconds | Causes the CLI to pause for a specified number of seconds. | N | |
write {host file | network} [rcp] [all] | Uploads the current configuration to a host or displays it on the terminal. | P | |
write terminal all | Displays the system configuration information currently in running memory. | P |
The ROM monitor is a ROM-based program that executes upon platform power-up, reset, or when a fatal exception occurs. The system enters ROM monitor mode if the switch does not find a valid system image, if the nonvolatile RAM (NVRAM) configuration is corrupted, or if the configuration register is set to enter ROM monitor mode.
The system enters ROM monitor mode if the switch does not find a valid system image, if the NVRAM configuration is corrupted, or if the configuration register is set to enter ROM monitor mode. You can manually load an image from any Flash device.
You can also enter ROM monitor mode by restarting the switch and pressing the Break key during the first 60 seconds of startup.
To access the ROM monitor through a terminal server, you can escape to the Telnet prompt and enter the send break command for your terminal emulation program to break into ROM monitor mode.
Once you are in ROM monitor mode, the prompt changes to rommon>. Use the ? command to see the available ROM monitor commands.
The ROM monitor commands are used to load and copy system images, microcode images, and configuration files. System images contain the system software. Microcode images contain microcode to be downloaded to various hardware devices. Configuration files contain commands entered to customize the function of Cisco IOS software.
The manual boot command has the following syntax:
Once you are in ROM monitor mode, the prompt changes to rommon #>.
Table 1-7 lists each command in the ROM monitor command set, shows the command syntax, and provides a short description for the command.
| Command | Syntax | Description |
|---|---|---|
alias [name=value] | Sets and displays aliases. | |
boot [-xv] [device][imagename] | Boots up an external process. | |
confreg [hexvalue] | Sets the configuration register value and starts the configuration register utility. | |
dev | Lists the device IDs available on a platform. | |
dir device | Lists the files of the named device. | |
history | Displays the command history (the last 16 commands executed in the monitor environment). | |
meminfo [-l] | Displays switch memory information. | |
repeat [num | string] | Repeats a specified command. | |
reset {mod_num | system} | Performs a soft reset of the switch. | |
set | Displays all of the monitor variable names with their values, or sets a monitor variable. | |
sync | Saves changes to the ROM monitor configuration. | |
unalias name | Removes the alias name and associated value from the alias list. | |
unset=varname | Removes a variable name from the variable list. | |
varname=value | Assigns a variable to a value. |
Posted: Mon Oct 4 14:05:56 PDT 1999
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