
Configuring the Cisco Gigabit EtherSwitch EHWIC
How to Configure Gigabit EtherSwitch EHWICs
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Configuring the Cisco Gigabit EtherSwitch EHWIC
OL-23155-01
0 unknown protocol drops
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier, 0 pause output
0 output buffer failures, 0 output buffers swapped out
Router#
Configuring a Description for an Interface
You can add a description of an interface to help you remember its function. The description appears in
the output of the following commands: show configuration, show running-config, and show
interfaces.
Use the description command, in interface configuration mode, to add a description for an interface.
Beginning in global configuration mode, follow these steps to add a description to the interface:
SUMMARY STEPS
1. interface gigabitethernet 0/slot/port
2. description string
DETAILED STEPS
Configuring a Gigabit Ethernet Interface as a Layer 2 Trunk
Beginning in global configuration mode, follow these steps to configure a GigabitEthernet interface as
a Layer 2 trunk.
SUMMARY STEPS
1. interface gigabitethernet 0/slot/port
2. shutdown
3. switchport mode trunk
4. switchport trunk native vlan vlan-num
5. switchport trunk allowed vlan {add | except | none | remove} vlan1[,vlan[,vlan[,...]]
6. no shutdown
7. end
Command Purpose
Step 1
interface gigabitethernet 0/slot/port
Example:
Router(config)#interface
gigabitethernet 0/1/2
Selects the interface to configure.
Step 2
description string
Example:
Router(config-if)#description
gigabitethernet1
Adds a description for an interface.
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