[cisco-voip] hairpin IP traffic to other router

[Timothy Medley]

Maybe I'm missing something here, but why not just
send the SIP traffic directly to the second AS5400?

tm

--- Richard Bennett <richard.bennett at skynet.be> wrote:

> Hi,
> On an AS5400 ios 12.4(1)  I'm trying to forward some
> SIP traffic to another 
> gateway.
> For the forwarding I setup these dial peers:
> 
> dial-peer voice 1 pots
>  description catch 2021 and reroute
>  incoming called-number 2021
>  direct-inward-dial
> !
> dial-peer voice 2 voip
>  description send 2021 to router 2
>  destination-pattern 2021
>  session target ipv4:10.0.0.2
> !
> 
> The idea being that incoming SIP traffic starting
> with 2021 would be sent on 
> to an AS5400 on 10.0.0.2 .
> 
> When I look at 'debug voip dialpeer all' I see this:
> 
>    Calling Number=, Called Number=2021031234567,
> Peer Info 
> Type=DIALPEER_INFO_SPEECH
> 06:45:08: //-1/2810714F8C70/DPM/dpMatchPeersCore:
>    Match Rule=DP_MATCH_DEST; Called
> Number=2021031234567
> 06:45:08: //-1/2810714F8C70/DPM/dpMatchCore:
>    Dial String=2021031234567, Expanded
> String=2021031234567, Calling Number=
>    Timeout=TRUE, Is Incoming=FALSE, Peer Info
> Type=DIALPEER_INFO_SPEECH
> 06:45:08: //-1/2810714F8C70/DPM/MatchNextPeer:
>    Result=Success(0); Outgoing Dial-peer=2 Is
> Matched
> 06:45:08: //-1/2810714F8C70/DPM/dpMatchPeersCore:
>    Result=Success(0) after DP_MATCH_DEST
> 06:45:08: //-1/2810714F8C70/DPM/dpMatchPeersMoreArg:
>    Result=SUCCESS(0)
>    List of Matched Outgoing Dial-peer(s):
>      1: Dial-peer Tag=2
> 
> So it looks as if the dialpeer is found correctly,
> yet nothing is sent to the 
> other router.
> Is this the correct way to forward SIP/h323 traffic
> to another router?
> Is the   dial-peer voice 1 pots actually needed when
> using SIP in SIP out?
> Any idea why the calls are not being forwarded?
> 
> Thanks a lot.
> Richard.
> 
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