dscp mark AF41 can not out of wan

Unanswered Question
Aug 31st, 2010

Greeting

I have found our traffic which marked to af41 can not go out to our isp and also, incoming video traffic be unmarked also.

on the interface to my ISP, I have 'mls qos trust dscp' configured.

interface G1/0/8

   no switchport

   ip adress xxx.xxx.xxx 255.255.255.0

   no ip redirects

   no ip unreachables

   no ip proxy-arp

   speed nonegotiate

   mls qos trust dscp

end

two questions; for pass QoS marks only, is it enough on my configuration? what information from ISP I need get to confirm what both us do configure correct? (except a configuration detail)

any comments will be appreicated

thank in advance

julxu

I have this problem too.
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Lei Tian Wed, 09/01/2010 - 03:46

Hi julxu,

As long as you have trust DSCP on all ports, then it can pass the DSCP to SP.

You need to confirm with SP their qos model. Do they use DSCP or COS; do they trust the dscp from client; do they remark traffic; what dscp value do they use if remark.

HTH,

Lei Tian

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