First of all, VoIP is usualy carried over UDP (not TCP except for some uncommon signaling, the voice data itself is usualy UDP)
Are you sure your access-list matches the SOURCE for the voip stream and not the destination (ie the ip adresses on your end) ? rgrds, Erik Op 26-8-2010 6:42, Security Team schreef: > I have really enjoyed learning about QoS, it's challenging. But I ran > across something so simple today that doesn't work that I'm questioning > whether I have learned anything at all.... > > All I wanted to do on a 6500 with Sup2's is mark all incoming traffic into > my gig1/1 from a certain source address x.x.x.x to DSCP set to EF (46), like > this: > > acc 101 permit udp x.x.x.x 0.0.0.255 any > acc 101 permit tcp x.x.x.x 0.0.0.255 any > > class-map match-any IncomingVoiceTraffic > match access-group 101 > > policy-map MarkIncomingVOIPTraffic > class IncomingVoiceTraffic > set ip dscp ef > > interface GigabitEthernet1/1 > ip address blah blah > service-policy input MarkIncomingVOIPTraffic > > When I look with Wireshark the RTP packets for a voip session aren't getting > tagged inbound. Going back out gig1/1 is fine because the voip server is > marking the traffic properly. I'm just having trouble inbound. > > Any gurus still awake? > > Thanks, > CJ > > > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
