What happens if you remove the cRTP config from the QoS policy, and you apply it to the actualy WAN interface? Does that change behavior regarding the cRTP stats? There were some bugs a couple years ago with cRTP in MQC, I think. Are you running a recent IOS release?
With global cRTP configuration ( applied to interface ) compression works. I think the issue is on the MQC configuration of cRTP. I tried various IOSes, the last mainline 12.4.25 and the 12.4.22T5. I haven't tried the version 15.
I have the same problem with one of our sites. We have 150 or so MPLS sites, some are Multilink with 3mb, some are 1.5mb T1, and some are 512k, 95% of the 512k sites are AT&T frame-relay over MPLS. Here is our policy-map standard config for our 512k sites.
policy-map MPLS-EDGE-512 class VOICE priority percent 20
compress header ip rtp (I have removed this to get the site to have 2 way audio. class VOICE-CALL-CONTROL bandwidth remaining percent 5 class BGP bandwidth remaining percent 10 class PRIORITY bandwidth remaining percent 30 set dscp af21 class EXCHANGE set dscp af11 class class-default fair-queue random-detect dscp-based policy-map SHAPE-MPLS-512 class class-default shape average 486400 service-policy MPLS-EDGE-512
I am still working with the provider to see if it something on thier side, but from what it sounds like, its a Cisco bug. We are running 12.4(21), I might try 12.4(25d) but from the previous post that may not fix the issue. Let me know your thoughts.
The Cisco EPN system incorporates a network architecture designed to consolidate multiples services on a single Multiprotocol Label Switching (MPLS) transport network. This network is designed primarily based on Application Engineered...
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Cisco Software Manager Server
This document describes the programmatic interfaces, RESTful APIs, which are supported by Cisco Software Manager Server (CSM Server).
CSM Server supports a set of finite RESTful APIs. The fir...