Cisco Systems v1.0 manual CMERouterX# show interfaces trunk

c.From privileged mode verify the port is properly configured as a trunk port by using the show interfaces slot/port-adapter/portswitchport command (where interface-idis the switch port used to connect to the router).

CMERouterX# show interfaces fastethernet slot/port-adapter/portswitchport

d.What is the status of the switch port (shown as switchport in the command output)?

_____________________________________________________________________________

e.What is the status of the Administrative Mode? _____________________________________

f.What is the status of the Operational Mode? _________________________________________

g.What is the Operational Trunking Encapsulation that has been configured? _________________

h.What VLANs are trunked by default? _______________________________________________

i.The show interfaces trunk command can be used to verify trunk operations.

CMERouterX# show interfaces trunk

j.Based on the command output, what port(s) have trunking enabled?

_________________________________________________________________

k.Based on the command output, what VLAN is the native VLAN? (Note: The native VLAN is the VLAN that does not tag a frame from this VLAN as it traverses the trunk with VLAN information. It is also the VLAN that continues to cross the link between the router and the switch if the trunk ever fails for any reason.) _________________________________________

l.Based on the command output, what VLANs are allowed on the trunk? ____________________

m.Based on the command output, what VLANs are participating in spanning tree and are in the forwarding state? ______________________________

n.Connect a Cisco IP phone using a straight-through cable to the switch port 0. The port on the bottom of the IP phone is labeled 10/100. Note that the IP phone will not work until CallManager Express has been configured.

o. Using a second straight-through cable, connect the second phone to switch port 1 on the router.

6 - 165 IP Telephony v1.0 Lab 2.1.1a Copyright ♥ 2005, Cisco Systems, Inc.