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New Member

QOS for CallManager Express

HI

I have setup QoS on my LAN, however when i sniff my RTP stream from two 7912 phones i notices that they do not mark the packets with COS tag. How do i achieve this? SCCP seems to be fine but rtp is just like any other packet CoS is 0.

regards colin

2 REPLIES
New Member

Re: QOS for CallManager Express

Where is the point of sniffing ? Do you use SPAN/RSPAN feature ? Show config of the phone's switch port.

New Member

Re: QOS for CallManager Express

Hi

I am spaning port that the phone is pluged into, below is config of phone port

interface FastEthernet0/7

switchport mode access

switchport voice vlan 2

mls qos trust cos

spanning-tree portfast

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