From: Richard Anderson (richard.p.anderson@sbcglobal.net)
Date: Thu Aug 26 2004 - 02:45:15 GMT-3
What is the recommended QOS settings for Cisco IP Phones.
If all of the IP Phones belong to one VLAN then one simply enable
mls qos
mls qos trust cos on all interfaces, but what the approach should be if
there is a layer III switch such as 4507 which is doing intervlan routing
for multiple Voice VLANS.
I have a 4507 switch which is configured for 3 voice vlans and also doing
routing for these three voice vlans. Each floor has 3750 switch uplinked to
4507 switch. I am having an issue with voice quality as well as Phone A can
hear Phone B, but Phone B can't hear Phone A
On 3750, I have configured
mls qos
interface x
mls qos trust cos.
What should be on 4507 switch.
Urgent help needed.
Thanks,
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