[c-nsp] Voice VLAN Question - QOS

[Asbjorn Hojmark - Lists]

> Is this the correct way to do it?

You should probably configure
 switch trunk allow vlan 101,102
 switch trunk encap dot1q
 switch trunk native vlan 101
 switch mode trunk
 switch noneg

> Does my configuration above make cos 0 for data and cos 5 for
> voice automatically without honouring whatever the phone
> defaults to?

No. 'switch prio extend' is used to tell a Cisco-phone what
CoS to use for voice. It's unlikely to work with other phones.
You should use a policy-map to classify and mark traffic from
the voice VLAN.

> On the trunk ports between switches how do I make sure cos 5 
> gets passed through?

'mls qos trust dscp'.

-A