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4.3.1 Interface Configuration Mode
Many features are enabled on a per-interface basis. Interface configuration commands modify the operation of an
interface such as an Ethernet or serial port. Interface configuration commands always follow an interface global
configuration command, which defines the interface type as Ethernet.
In the following example shows configuration of Ethernet interface (eth1). The new prompt, Switch(config-if-
eth1)#, indicates the interface configuration mode. In this example, the user asks for help by requesting a list of
commands.
Switch(config)# interface eth1
Switch(config-if-eth1)# ?
description Interface specific description
dot1x IEEE 802.1x configuration
duplex Configure duplex operation
end End current mode and change to enable mode
exit Exit current mode and down to previous mode
fair-queue Fair-queue interface configuration commands
flow-control IEEE 802.3X Flow Control Enable command
help Description of the interactive help system
ip Interface Internet Protocol config commands
lacp Configure LACP
mac control access to an interface
mtu Set the interface Maximum Transmission Unit (MTU)
negotiation Select Autonegotiation mode
no Negate a command or set its defaults
priority-group Assign a priority queue list to an interface
quit Exit current mode and down to previous mode
rate-limit To configure committed access rate (CAR)policies
show Show running system information
shutdown Shutdown the selected interface
spanning-tree Spanning Tree Protocol interface command
speed Configure speed operation
storm-control Enable storm control on the interface.
switchport Port operating in L2 mode
tos-group Assign a tos list to an interface
traffic-shape Generic traffic shape QoS interface configuration commands
write Write running configuration to memory, network, or terminal
To exit interface configuration mode and return to global configuration mode, enter the exit command. To exit
configuration mode and return to top mode, use the end command or press Ctrl-Z.
4.3.2 Spanning-Tree Configuration Mode
Spanning Tree configuration commands are used to configure an IP routing protocol and always follow a Switch
command. To list the available Switch configuration keywords, enter the Switch command followed by a space and a
question mark (?) at the global configuration prompt.
Switch(config)# spanning-tree ?
mst Enable multiple spanning tree (IEEE 802.1s)
forward-time Set forwarding delay time
hello-time Set interval between HELLOs
max-age Maximum allowed message age of received Hello BPDUs
priority Set bridge priority
rapid Enable rapid convergence
28 Asante IntraCore IC36240 User’s Manual