Specifications

Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards
How to Configure EtherSwitch HWICs
21
Note Ports do not support Dynamic Trunk Protocol (DTP). Ensure that the neighboring switch is set to a mode
that will not send DTP.
Verifying a Fast Ethernet Interface as a Layer 2 Trunk
Use the following show commands to verify the configuration of a Fast Ethernet interface as a Layer 2
trunk.
router# show running-config interfaces fastEthernet 0/3/1
Building configuration...
Current configuration: 71 bytes
!
interface FastEthernet0/3/1
switchport mode trunk
no ip address
end
Router#
Router# show interfaces trunk
Port Mode Encapsulation Status Native vlan
Fa0/3/1 on 802.1q trunking 1
Port Vlans allowed on trunk
Fa0/3/1 1-1005
Port Vlans allowed and active in management domain
Fa0/3/1 1
Port Vlans in spanning tree forwarding state and not pruned
Fa0/3/1 1
Router#
Configuring a Fast Ethernet Interface as Layer 2 Access
Follow these steps below to configure a Fast Ethernet interface as Layer 2 access.
SUMMARY STEPS
1. enable
2. configure terminal
3. interface fastethernet interface-id
4. shutdown
5. switchport mode access
6. switchport access vlan vlan-num
7. no shutdown
8. end