[cisco-voip] Class based RTP Header Compression

[Matthew Linsemier]

We ran into similar problems when we tried to enable RTP Header compression
over our MPLS network.  In the end we were told by TAC that our MPLS
provider (Sprint) would also have to enable RTP header compression on their
routers to support this.  I was still a little caught off guard by this
answer as I had read conflicting stories on the web.  In the end we ended up
not enabling RTP header compression.

Matt


On 12/14/09 11:27 AM, "O'Brien, Neil" <nobrien at datapac.com> wrote:

>  
> Hi Craig,
>  
> See below.  I believe the WAN is MPLS but anything past our CE router is ISP
> controlled.
>  
>  
> class-map match-all CM-MATCH-SIG
>  match ip dscp cs3
> class-map match-all CM-MATCH-RTP
>  match protocol rtp
>  
> policy-map PM-QOS
>  class CM-MATCH-RTP
>   priority percent 50
>    compress header ip rtp
>  class CM-MATCH-SIG
>   bandwidth percent 5
>  class class-default
>   fair-queue
>  
> interface Serial0/3/0
> bandwidth 2000
>  ip address *.*.*.*
> service-policy output PM-QOS
>  
> Thanks,
> 
> Neil
> 
> 
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