[nsp] RTP Header Compression not working on 7513 Series Platf orms

[Temkin, David]

Dumb question, but in addition to the commands you already have, don't you
also have to add ip rtp header-compression to the actual interface?

(I see that it's working on the 3662 so maybe I'm wrong...)

-Dave

> -----Original Message-----
> From: arun [mailto:arun_k75@yahoo.com] 
> Sent: Tuesday, December 03, 2002 11:11 PM
> To: cisco-nsp@puck.nether.net
> Subject: [nsp] RTP Header Compression not working on 7513 
> Series Platforms
> 
> 
> 
> 
> hi,
> 
> Down Below depicts RTP Header Compression between 3662
> Cisco Router and 7513 Cisco Router . 
> 
> As per the RTP COnfig Doc, the prerequisites of Cef
> Switching and Frame - Relay Encap were met on both
> ends.
> 
> Please find the configs and observations down below.
> The RTP Header Compression doesn't seem to work on the
> 7513 end. please advise me on the same.
> The IOS used on both the ends is mentioned below.The
> Cisco H/w S/w compatibility matrix says that RTP works
> on 7500 series platforms...
> 
> 
> Thanks and Regards
> Arun 
> 
> 
> 
> 
> RTP Header Compression Between Cisco 3662 and Cisco
> 7513
> 
> 
> 
> 
> Interface on which RTP Header Compression has been
> Enabled on Cisco 3662
> 
> interface Serial2/3
>   description "Connection to Passport - VOIP TEST"
>   ip address 172.16.150.1 255.255.255.252
>   no ip redirects
>   no ip proxy-arp
>   encapsulation frame-relay
>   frame-relay map ip 172.16.150.2 20 broadcast rtp header-compression 
>  active
>   frame-relay interface-dlci 20
>   frame-relay lmi-type q933a
>   frame-relay ip rtp header-compression  
>  
> 
> 
> Interface on which RTP Header Compression has been
> enabled on Cisco 7513
> 
> 
> 
> interface Serial9/1/6
>   description "Connection to PP - VOIP Test"
>   ip address 172.16.150.2 255.255.255.252
>   no ip redirects
>   no ip proxy-arp
>   encapsulation frame-relay
>   no ip route-cache distributed
>   no ip mroute-cache
>   frame-relay map ip 172.16.150.1 20 broadcast rtp header-compression 
>  active
>   frame-relay interface-dlci 20
>   frame-relay lmi-type q933a
>   frame-relay ip rtp header-compression.
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> Interface Statistics Observed on Cisco 3662 
> 
> 
> 
> gtl-3662-del>sho ip rtp header-compression
> RTP/UDP/IP header compression statistics:
>  DLCI 20         Link/Destination info: ip
> 172.16.150.2
>   Interface Serial2/3:
>     Rcvd:    0 total, 0 compressed, 0 errors
>              0 dropped, 0 buffer copies, 0 buffer
> failures
>     Sent:    4307 total, 4304 compressed,
>              163493 bytes saved, 94747 bytes sent
>              2.72 efficiency improvement factor
>     Connect: 256 rx slots, 256 tx slots,
>              0 long searches, 3 misses 0 collisions
>              99% hit ratio, five minute miss rate 0
> misses/sec, 0 max
> 
> 
> 
> 
> Interface Statistics observed on Cisco 7513
> 
> 
> gtl-core-blr#sho ip rtp header-compression
> RTP/UDP/IP header compression statistics:
>  DLCI 20         Link/Destination info: ip
> 172.16.150.1
>   Interface Serial9/1/6:
>     Rcvd:    2690 total, 2689 compressed, 0 errors
>              0 dropped, 0 buffer copies, 0 buffer
> failures
>     Sent:    0 total, 0 compressed,
>              0 bytes saved, 0 bytes sent
>     Connect: 256 rx slots, 256 tx slots, 0 long
> searches, 0 misses
> 
> 
> 
> 
> IOS on 7513 
> 
> rsp-jsv-mz.121-6.E2.bin                               
>                           
> 
> 
> IOS on 3662
> 
> c3660-is-mz.122-1.bin
> 
> 
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