RE: Cat 3550's Voice Vlan configuration.(Resend..)

From: Deepesh Chouhan (deepesh@cisco.com)
Date: Wed Jul 23 2003 - 19:47:13 GMT-3


> mls qos
> interface FastEthernet0/9
> mls qos trust cos
> switchport mode access
> switchport access vlan 20
> switchport voice vlan 500

this will do it.
From Doc CD - "You should configure voice VLAN on switch access ports. "
Hence it' should not be solution 1.

thanks
deeoesh

> Q> Place int fa0/9 in vlan 20
> Assume the cisco ip-phone is connectedto the port(fa0/9).
> Configure this port to carry voice traffic in 802.1Q
> frames on vlan 500
> ---------
> Answer1>
> ----------
> mls qos
> interface FastEthernet0/9
> mls qos trust cos
> switchport mode trunk
> switchport trunk encapsulation dot1q
> switchport trunk native vlan 20
> switchport voice vlan 500
> no ip address
> no cdp enable
> spanning-tree portfast trunk
> ---------
> Answer2>
> ----------
> mls qos
> interface FastEthernet0/9
> mls qos trust cos
> switchport mode access **
> switchport access vlan 20 **
> switchport mode trunk
> switchport trunk encapsulation dot1q
> switchport trunk native vlan 20
> switchport voice vlan 500
> no ip address
> no cdp enable
> spanning-tree portfast trunk
>
>
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