Table 7-1 Command Summary
Command
|
Purpose
|
Router(config-subif)# encapsulation dot1q vlan-id [native]
|
Enables IEEE 802.1Q encapsulation of traffic on a specified subinterface in VLANs.
|
Router(config)# ip accounting mac-address {input | output}
|
Enables MAC address accounting. MAC address accounting provides accounting information for IP traffic based on the source and destination MAC addresses of the LAN interfaces.
|
Router(config-if)# ip address ip-address mask [secondary]
|
Sets a primary or secondary IP address for an interface.
|
Router(config-if)#ipv6 address prefix-name ipv6-prefix/prefix-length
|
Sets an IPv6 general prefix and enables IPv6 processing on an interface.
|
Router(config)# interface gigabitethernet slot/subslot/port[.subinterface-number]
|
Specifies the Gigabit Ethernet interface to configure.
|
Router(config-if)# loopback internal
|
Enables internal loopback mode.
|
Router(config-if)# loopback external
|
Enables external loopback mode.
|
Router(config-if)# mac-address ieee-address
|
Modifies the default Media Access Control (MAC) address of an interface to some user-defined address.
|
Router(config-if)# mtu bytes
|
Configures the maximum packet size for an interface.
|
Router(config-if)# negotiation auto
|
Enables advertisement of flow control on a Gigabit Ethernet interface.
|
Router(config-if)# no negotiation auto
|
Disables advertisement of flow control on a Gigabit Ethernet interface. Autonegotiation is enabled by default, so this command is required if you want to change the configuration.
|
Router(config-if)# no shutdown
|
Enables an interface.
|
Router# show interfaces gigabitethernet
|
Displays various Gigabit Ethernet interface statistics.
|
Router# show vlans [vlan-id]
|
Displays VLAN subinterfaces.
|
Router(config-if)# standby [group-number] ip [ip-address [secondary]]
|
Creates (or enables) the HSRP group using its number and virtual IP address.
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