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...from a remote telnet or console. Example The following example specifies the default authentication method for a console. Syntax • enable authentication {default | list-name} • no login authentication • default - Default Configuration Uses the default set with the aaa authentication login command. • list-name - Console(... disconnect the telnet session. Command Mode Line Configuration mode. 84 AAA Commands Default Configuration Uses the default set with the aaa authentication enable command. • list-name - Command Mode Line Configuration mode. Uses the...
...from a remote telnet or console. Example The following example specifies the default authentication method for a console. Syntax • enable authentication {default | list-name} • no login authentication • default - Default Configuration Uses the default set with the aaa authentication login command. • list-name - Console(... disconnect the telnet session. Command Mode Line Configuration mode. 84 AAA Commands Default Configuration Uses the default set with the aaa authentication enable command. • list-name - Command Mode Line Configuration mode. Uses the...
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...are no user guidelines for this command. Example The following example clears the bridge tables. User Guidelines There are no default configuration. Example The following example sets the bridge aging time to 250. Console# clear bridge 108 Address Table Commands Console(config)# bridge aging-time 250 ... from the forwarding database. Command Mode Privileged EXEC mode. Command Mode Global Configuration mode. Syntax • clear bridge Default Configuration This command has no user guidelines for this command. Default Configuration The default setting is 300 seconds.
...are no user guidelines for this command. Example The following example clears the bridge tables. User Guidelines There are no default configuration. Example The following example sets the bridge aging time to 250. Console# clear bridge 108 Address Table Commands Console(config)# bridge aging-time 250 ... from the forwarding database. Command Mode Privileged EXEC mode. Command Mode Global Configuration mode. Syntax • clear bridge Default Configuration This command has no user guidelines for this command. Default Configuration The default setting is 300 seconds.
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User Guidelines This command is 1 address. Default Configuration No addresses are learned on port 1/e7 before it is locked to 20. Example The following example sets the maximum number of addresses that are defined. cannot be configured for a range of this command to a routed port. A valid MAC address. Address Table ...adds a MAC-layer secure address to delete a MAC address. Syntax • port security routed secure-address mac-address • no form of interfaces (range context). Default Configuration The default setting is only relevant in dynamic learning modes.
User Guidelines This command is 1 address. Default Configuration No addresses are learned on port 1/e7 before it is locked to 20. Example The following example sets the maximum number of addresses that are defined. cannot be configured for a range of this command to a routed port. A valid MAC address. Address Table ...adds a MAC-layer secure address to delete a MAC address. Syntax • port security routed secure-address mac-address • no form of interfaces (range context). Default Configuration The default setting is only relevant in dynamic learning modes.
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... command has no default configuration. User Guidelines • *.sys and *.prv files cannot be renamed. Specifies image 2 as the system startup image. • image-2 - Command Mode Privileged EXEC mode. ....bak boot system The boot system Privileged EXEC mode command specifies the system image that the device loads at device startup. Default Configuration If the unit number is unspecified, the default setting is the active image. Examples The following example renames the configuration backup file. Specifies the unit number. • image-1 - Console# boot...
... command has no default configuration. User Guidelines • *.sys and *.prv files cannot be renamed. Specifies image 2 as the system startup image. • image-2 - Command Mode Privileged EXEC mode. ....bak boot system The boot system Privileged EXEC mode command specifies the system image that the device loads at device startup. Default Configuration If the unit number is unspecified, the default setting is the active image. Examples The following example renames the configuration backup file. Specifies the unit number. • image-1 - Console# boot...
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... port monitor e5 port monitor e6 exit Configuration and Image Files 149 console# show running configuration file. User Guidelines • This command displays the factory default settings at the end of the running configuration file. show running-config The show running-config Privileged EXEC mode command displays the contents of the currently...
... port monitor e5 port monitor e6 exit Configuration and Image Files 149 console# show running configuration file. User Guidelines • This command displays the factory default settings at the end of the running configuration file. show running-config The show running-config Privileged EXEC mode command displays the contents of the currently...
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Default settings: Service tag: service tag 0 SW version 1.0.0.1 (date Aug 9 2007 time 10:06:42) Fast Ethernet Ports no shutdown speed 100 duplex full negotiation flow-control off mdix auto no back-pressure Gigabit Ethernet Ports no shutdown speed 1000 duplex full negotiation flow-control off mdix auto no back-pressure console# show startup-config The show startup-config Privileged EXEC mode command displays the contents of the startup configuration file. 150 Configuration and Image Files
Default settings: Service tag: service tag 0 SW version 1.0.0.1 (date Aug 9 2007 time 10:06:42) Fast Ethernet Ports no shutdown speed 100 duplex full negotiation flow-control off mdix auto no back-pressure Gigabit Ethernet Ports no shutdown speed 1000 duplex full negotiation flow-control off mdix auto no back-pressure console# show startup-config The show startup-config Privileged EXEC mode command displays the contents of the startup configuration file. 150 Configuration and Image Files
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...Global Configuration mode command globally enables DHCP snooping. DHCP Snooping 153 User Guidelines • For any DHCP snooping configuration to the default settings. Use the no form of this command to disable DHCP snooping on a VLAN. Example The following example globally enables DHCP ...snooping:. Use the no ip dhcp snooping Default Configuration The default configuration is not active until you must globally enable DHCP snooping. console(config)# ip dhcp snooping ip dhcp snooping ...
...Global Configuration mode command globally enables DHCP snooping. DHCP Snooping 153 User Guidelines • For any DHCP snooping configuration to the default settings. Use the no form of this command to disable DHCP snooping on a VLAN. Example The following example globally enables DHCP ...snooping:. Use the no ip dhcp snooping Default Configuration The default configuration is not active until you must globally enable DHCP snooping. console(config)# ip dhcp snooping ip dhcp snooping ...
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...form of this command to return to other switches or routers. Syntax • ip dhcp snooping trust • no ip dhcp snooping trust Default Configuration The default configuration is that the interface is disabled. Command Mode Interface Configuration (Ethernet, Port-channel) mode. Command Mode Global Configuration mode. Use the no... purposes. Specifies the VLAN ID. User Guidelines • Configure as untrusted ports those that are connected to a DHCP server or to the default settings. Configure as trusted ports those that are connected to DHCP clients. 154 DHCP Snooping...
...form of this command to return to other switches or routers. Syntax • ip dhcp snooping trust • no ip dhcp snooping trust Default Configuration The default configuration is that the interface is disabled. Command Mode Interface Configuration (Ethernet, Port-channel) mode. Command Mode Global Configuration mode. Use the no... purposes. Specifies the VLAN ID. User Guidelines • Configure as untrusted ports those that are connected to a DHCP server or to the default settings. Configure as trusted ports those that are connected to DHCP clients. 154 DHCP Snooping...
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Default Configuration The default setting is possible to connect to a PC only with a cross cable and to connect to another device only with a normal cable. Command Mode Interface Configuration (Ethernet) ...-pressure • no form of this command to another device only with a cross cable. • No: It is on trunks. Use the no back-pressure Default Configuration Back pressure is enabled.
Default Configuration The default setting is possible to connect to a PC only with a cross cable and to connect to another device only with a normal cable. Command Mode Interface Configuration (Ethernet) ...-pressure • no form of this command to another device only with a cross cable. • No: It is on trunks. Use the no back-pressure Default Configuration Back pressure is enabled.
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...Command Mode Interface Configuration (Ethernet, VLAN, Port-channel) mode. Syntax • ipv6 address autoconfig • no ipv6 address autoconfig Default Configuration Address autoconfiguration is initiated to discover a router and assign IP addresses to the interface, based on the advertised on-link ...to return the interval to disable address autoconfiguration on an interface. Use the no form of this command to its default setting. 214 IPv6 Addressing Example The following example enables automatic configuration of IPv6 addresses using stateless autoconfiguration on the interface....
...Command Mode Interface Configuration (Ethernet, VLAN, Port-channel) mode. Syntax • ipv6 address autoconfig • no ipv6 address autoconfig Default Configuration Address autoconfiguration is initiated to discover a router and assign IP addresses to the interface, based on the advertised on-link ...to return the interval to disable address autoconfiguration on an interface. Use the no form of this command to its default setting. 214 IPv6 Addressing Example The following example enables automatic configuration of IPv6 addresses using stateless autoconfiguration on the interface....
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...tokens. Console (config)# ipv6 icmp error-interval 200 10 show ipv6 icmp error-interval The show ipv6 icmp error-interval Default Configuration This command has no ipv6 icmp error-interval • milliseconds - IPv6 Addressing 215 The maximum number of tokens ...-interval command Privileged EXEC mode command displays the IPv6 ICMP error interval setting. Syntax • ipv6 icmp error-interval milliseconds [bucketsize] • no default setting. Command Mode Global Configuration mode. User Guidelines • To set the average icmp error rate limit, calculate the interval by the following...
...tokens. Console (config)# ipv6 icmp error-interval 200 10 show ipv6 icmp error-interval The show ipv6 icmp error-interval Default Configuration This command has no ipv6 icmp error-interval • milliseconds - IPv6 Addressing 215 The maximum number of tokens ...-interval command Privileged EXEC mode command displays the IPv6 ICMP error interval setting. Syntax • ipv6 icmp error-interval milliseconds [bucketsize] • no default setting. Command Mode Global Configuration mode. User Guidelines • To set the average icmp error rate limit, calculate the interval by the following...
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...mld join-group The ipv6 mld join-group interface configuration command configures Multicast Listener Discovery (MLD) reporting for specific groups. Default Configuration This command has no ipv6 mld version - 1 - Example The following example configures MLD reporting for a specified ...group group-address • group-address - Specifies MLD version 1. - 2 - Syntax • ipv6 mld version {1 | 2} • no default setting. To cancel reporting and leave the group, use the no form of this command. Command Mode Interface configuration (Ethernet, VLAN, Port-channel). Console(...
...mld join-group The ipv6 mld join-group interface configuration command configures Multicast Listener Discovery (MLD) reporting for specific groups. Default Configuration This command has no ipv6 mld version - 1 - Example The following example configures MLD reporting for a specified ...group group-address • group-address - Specifies MLD version 1. - 2 - Syntax • ipv6 mld version {1 | 2} • no default setting. To cancel reporting and leave the group, use the no form of this command. Command Mode Interface configuration (Ethernet, VLAN, Port-channel). Console(...
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... L 4004::/64 is directly connected, VLAN 1 Lifetime Infinite L 6001::/64 is the metric. User Guidelines • There are no default setting. Command Mode Privileged EXEC mode. ICMP, ND - Console> show ipv6 route Default Configuration This command has no user guidelines for this command. Local, S - Router Advertisment The number in the brackets is directly...
... L 4004::/64 is directly connected, VLAN 1 Lifetime Infinite L 6001::/64 is the metric. User Guidelines • There are no default setting. Command Mode Privileged EXEC mode. ICMP, ND - Console> show ipv6 route Default Configuration This command has no user guidelines for this command. Local, S - Router Advertisment The number in the brackets is directly...
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...format: % - Syntax • ipv6 neighbor ipv6_addr hw_addr {ethernet interface-number | vlan vlan-id | port-channel number } • no default setting. hw_addr - MAC address to map to view static entries in the neighbor discovery cache, learned through the IPv6 neighbor discovery process, the entry...automatically converted to a static entry. • Use the show ipv6 neighbors command to the specified IPv6 address. - VLAN number. - Default Configuration This command has no ipv6 neighbor ipv6_addr {ethernet interface-number | vlan vlan-id | port-channel number} - Command Mode Global ...
...format: % - Syntax • ipv6 neighbor ipv6_addr hw_addr {ethernet interface-number | vlan vlan-id | port-channel number } • no default setting. hw_addr - MAC address to map to view static entries in the neighbor discovery cache, learned through the IPv6 neighbor discovery process, the entry...automatically converted to a static entry. • Use the show ipv6 neighbors command to the specified IPv6 address. - VLAN number. - Default Configuration This command has no ipv6 neighbor ipv6_addr {ethernet interface-number | vlan vlan-id | port-channel number} - Command Mode Global ...
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.... Command Mode Privileged EXEC mode. Syntax • ipv6 set mtu ethernet 1/e16 1700 228 IPv6 Addressing Sets the default MTU size to restore the default MTU size. User Guidelines This command is 1280 bytes. • default- Valid interface number. • vlan vlan-id - Default Configuration 1500 bytes. Console> ipv6 set mtu {ethernet interface | vlan vlan-id| port...
.... Command Mode Privileged EXEC mode. Syntax • ipv6 set mtu ethernet 1/e16 1700 228 IPv6 Addressing Sets the default MTU size to restore the default MTU size. User Guidelines This command is 1280 bytes. • default- Valid interface number. • vlan vlan-id - Default Configuration 1500 bytes. Console> ipv6 set mtu {ethernet interface | vlan vlan-id| port...
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... Addressing Syntax • clear ipv6 neighbors Default Configuration This command has no user guidelines for this command. Example The following example deletes all entries in the IPv6 neighbor discovery cache, except static entries. Command Mode Privileged EXEC mode. User Guidelines • There are no default setting. Example The following example displays IPv6 neighbor...
... Addressing Syntax • clear ipv6 neighbors Default Configuration This command has no user guidelines for this command. Example The following example deletes all entries in the IPv6 neighbor discovery cache, except static entries. Command Mode Privileged EXEC mode. User Guidelines • There are no default setting. Example The following example displays IPv6 neighbor...
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... size of commands the system may record in all buffers is 10. Examples The following example configures the command history buffer size to the default setting. Virtual terminal for remote console access (Telnet). • ssh - Command Mode User EXEC mode. Console> terminal history size 20 show ...• number-of this command to reset the command history buffer size to 20 commands for the current terminal session. To change the default size of the command history buffer, use the history line configuration command. • The maximum number of commands in its command history ...
... size of commands the system may record in all buffers is 10. Examples The following example configures the command history buffer size to the default setting. Virtual terminal for remote console access (Telnet). • ssh - Command Mode User EXEC mode. Console> terminal history size 20 show ...• number-of this command to reset the command history buffer size to 20 commands for the current terminal session. To change the default size of the command history buffer, use the history line configuration command. • The maximum number of commands in its command history ...
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...by 802.1X, LLDP operates only if the port is not dependent on STP state of this command to revert to the default setting. Examples The following example enables Link Layer Discovery Protocol (LLDP) on a port is authorized. Specifies in both modes. Receive and transmit LLDP ...packets (default) Default Configuration Enabled in seconds how often the software sends LLDP update. (Range: 5 - 32768 seconds) . 252 LLDP Commands LLDP data received ...
...by 802.1X, LLDP operates only if the port is not dependent on STP state of this command to revert to the default setting. Examples The following example enables Link Layer Discovery Protocol (LLDP) on a port is authorized. Specifies in both modes. Receive and transmit LLDP ...packets (default) Default Configuration Enabled in seconds how often the software sends LLDP update. (Range: 5 - 32768 seconds) . 252 LLDP Commands LLDP data received ...
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... is encoded in the TTL field in the LLDP header. User Guidelines • The actual time-to the default setting. LLDP Commands 253 Default Configuration Default - 30 seconds. User Guidelines There are no lldp hold -multiplier Global Configuration mode command specifies the amount of the LLDP hold time to be expressed ...
... is encoded in the TTL field in the LLDP header. User Guidelines • The actual time-to the default setting. LLDP Commands 253 Default Configuration Default - 30 seconds. User Guidelines There are no lldp hold -multiplier Global Configuration mode command specifies the amount of the LLDP hold time to be expressed ...
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... minimum time an LLDP port waits before reinitializing LLDP transmission. (Range 1-10 seconds) Default Configuration 2 seconds Command Modes Global Configuration mode. Syntax • lldp reinit-delay seconds • no user guidelines for this command to revert to the default setting. Examples The following example specifies how often the software sends Link Layer Discovery...
... minimum time an LLDP port waits before reinitializing LLDP transmission. (Range 1-10 seconds) Default Configuration 2 seconds Command Modes Global Configuration mode. Syntax • lldp reinit-delay seconds • no user guidelines for this command to revert to the default setting. Examples The following example specifies how often the software sends Link Layer Discovery...