From: James Ventre (messageboard@ventrefamily.com)
Date: Wed Mar 22 2006 - 11:41:39 GMT-3
Using the voice vlan is not dependent on CDP!
How you tell the telephone about the trunk is dependent on CDP, DHCP or hardcoding it. I happen to be using DHCP.The native vlan is the access vlan and the tagged vlan is the voice vlan.
James
Switch>sh int fa0/1 trunk
Port Mode Encapsulation Status Native vlan
Fa0/1 off negotiate not-trunking 1
Port Vlans allowed on trunk
Fa0/1 209,227
Port Vlans allowed and active in management domain
Fa0/1 209,227
Port Vlans in spanning tree forwarding state and not pruned
Fa0/1 209,227
Switch#sh run int fa0/1
Building configuration...
Current configuration : 442 bytes
!
interface FastEthernet0/1
description { phone and pc }
switchport access vlan 227
switchport mode access
switchport voice vlan 209
service-policy input IP-Telephony
no logging event link-status
no logging event power-inline-status
no mdix auto
storm-control broadcast level 4.00
storm-control multicast level 2.00
no cdp enable
spanning-tree portfast
spanning-tree bpduguard enable
spanning-tree guard root
end
Vincent Mashburn wrote:
If you are using Avaya Phones, then you can't use cdp. Trunking is your
only option.
Vince Mashburn
Voice / Data Engineer
901-263-5072
Cisco IP Telephony Support Specialist
CCNP, CCDA,Network +
This archive was generated by hypermail 2.1.4 : Sat Apr 01 2006 - 10:07:39 GMT-3