QOS on a CAT65K

Unanswered Question
Jun 26th, 2008

No sure if this is the correct forum but we are prepping a network for Voice and making sure all QOS requriements are set correctly setup.

We have a network of CAT65K with SUP720. We will be enabling MLS QOS on the switch which will set all ports to untrusted (unless specifically configured for trust) and reset the cos to 0. We will be applyinga specific policy map to normalise all incoming traffic and rely on default egress queuing on various blades fro egress traffic.

My question is - we have OSPF and BGP packets flowing through the switches. These will be marked with the TOS field for DCSP and I wanted to know if we need ed to reclassify these packets.

My concern is based around the fact does the switch port remap all cos and dscp mappings to 0 on an untrusted port including the internetworking and networking protocols.

Let me know your thoughts.

I have this problem too.
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Chad Stachowicz Sun, 06/29/2008 - 09:14

I think your questions are valid, however I bet the network forum is a better place for this post, sounds like a specific question to OSPF and BGP moreso then voice.




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