I need to be able to trust DSCP on the follow 10/100 module WS-X6348-RJ-45 running Native IOS. Currently I can't trust any thing and have to use the MQC type config to classify and mark packets...Problem is I don't know all the traffic that needs to be marked or what it needs to be marked(Avaya voice system)....I would like to trust the ports to at least figure that out....Anyone know of a way. I have done it in CatOS before.
I ran into a similar problem and this may help. It is unfortunate that you cannot use the trust dscp command with this module and in some versions of code it let's you use it but it still won't work!
Regardless - If you have a general idea of the QoS/DSCP markings used by the Avaya system you can tell the switch to remark the packets with the same DSCP settings that are on the incoming packets. If you can sniff the port you may get a good idea of the markings so as not to make the process too cumbersome. See example below:
Thanks, That is a great idea to use the dscp values in the acl's. didn't know you could do that. I was trying to figure out the actually tcp and udp ports the Avaya system is using(which apparently isn't the default).
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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