IE Lab #9: Voice VLAN

From: kwasi-ccie@comcast.net
Date: Fri Feb 04 2005 - 19:49:41 GMT-3


Hi,

I am trying to understand the voice vlan portion of IE lab 9 section 1.10. The question whats all other traffic in vlan 4 not be given preferential treatment and be marked with a L2 Cos of 1. The solution is:

For interface fa0/21 and fa0/22:
mls qos 1
mls qos cos override

But can I assume that I also need "switchport priority extend cos 1" for data traffic?

Thanks.



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