Can some please help me figure out why i can't pre classify traffic correctly?
Here is what i'm trying to do - I have an ADSL home office router with an IP phone connected to a 3560 switch of interface Fa0/0. If i enable nbar an match traffic on the protcol type rtp and remark to EF this seems to work fine. However when i try to match traffic before goig to the dialer interface i never see it being marked as EF or even matching RTP. This is confusing me as I have ESP wrapping around the GRE tunnel and therefore i thought i should have pre classify on the tunnel interface, so before the traffic gets wrapped in a GRE it should create a copy of mark the DSCP as EF. Please have a look at my config and see if anyone has an idea.
Thanks for your reply, can i ask you for some advice on this scenario:
I want to make sure that i apply EF and AF41 markings to RTP and SKINNY traffic, i'm using NBAR to match these, i need these markings to be carried into my HQ network but i also need to make sure that when congestion occurs outbound on the dialer interface that this traffic gets priority, thus i was thinking i need to pre classify the traffic as the payload ultimaley gets carried inside a gre and esp header.
Can you suggest a template relative to my configuration that would help.
I think this would help me understand the logic behind the process.
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