Re: RTP Multiplexing issue

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Oops, sorry I forgot to mention the versions:

ptlib 2.10.7
h323plus 1.24.1 cvs pull from 2012/08/25
gnugk 3.1

Ehren

On Aug 27, 2012, at 1:05 AM, "Jan Willamowius" <jan@xxxxxxxxxxxxxx> wrote:

> Hi Ehren,
> 
> I think that should work. Are you using GnuGk 3.1 or some older version ?
> 3.1 has a few bugfixes related to multiplexing and H.460.19 port detection.
> 
> Regards,
> Jan
> 
> -- 
> Jan Willamowius, Founder of the GNU Gatekeeper Project
> EMail  : jan@xxxxxxxxxxxxxx
> Website: http://www.gnugk.org
> Support: http://www.willamowius.com/gnugk-support.html
> 
> 
> Ehren  Jarosek wrote:
>> We're trying to setup a set of gatekeepers here and are running into some issues with the media traversal.
>> 
>> Our configuration is the following based on neighboring gatekeepers using traversal zones and H.460.19 multiplexing.
>> 
>> Endpoint A    <--------->   GK Internal #1        <---------->             GK External              <---------->                GK Internal #2       <----------> Endpoint B
>>                                                 Traversal Client       H.460.19m             Traversal Server     H.460.19m                 Traversal Client
>>                                                                                                                                    |
>>                                                                                                                                    |
>>                                                                                                                          Endpoint C
>> 
>> So, call control works fine.  I can initiate calls from one end to the other.  Issue is media traversal.  I think the issue is in the multiplexing.
>> 
>> Endpoint A <--> Endpoint B:            No media either direction
>> Endpoint A <--> Endpoint C:            Media from A -> C but not from C->A
>> 
>> I stuck wireshark on the GK External and GK Internal #1 and was surprised a bit.  From what I can see the traffic is moving between the gatekeepers but does not make it to the endpoints.
>> 
>> i.e. Endpoint A call to Endpoint C
>> Endpoint A Media
>> A -> GK #1 -> GK External -> C                    GOOD
>> Endpoint C Media
>> C -> GK External -> GK #1                             MISSING GK#1 -> Endpoint A traffic
>> 
>> 
>> My configuration files:
>> GK Internal #1
>> ---------------------------------------------------------------------------
>> [Gatekeeper::Main]
>> Name=GK1
>> Fortytwo=42
>> TimeToLive=600
>> 
>> [RoutedMode]
>> GKRouted=1
>> H245Routed=1
>> CallSignalPort=1720
>> RemoveH245AddressOnTunneling=1
>> DropCallsByReleaseComplete=1
>> SupportNATedEndpoints=1
>> Q931PortRange=30000-39999
>> H245PortRange=40000-49999
>> EnableH46018=1
>> 
>> [Proxy]
>> Enable=1
>> ProxyAlways=1
>> RTPMultiplexing=1
>> RTPMultiplexPort=63000
>> RTCPMultiplexPort=63001
>> T120PortRange=50000-59999
>> RTPPortRange=50000-59999
>> 
>> [RasSrv::Neighbors]
>> GKExternal=Generic
>> 
>> [Neighbor::GKExternal]
>> ;from unknown IP
>> Host=xxx.xxx.xxx.xxx
>> SendPrefixes=*
>> AcceptPrefixes=*
>> H46018Client=1
>> H46018Server=0
>> SendAuthUser=********
>> SendPassword=**************
>> ForwardHopCount=3
>> ---------------------------------------------------------------------------
>> 
>> 
>> GK External
>> ---------------------------------------------------------------------------
>> [Gatekeeper::Main]
>> Fortytwo=42
>> TimeToLive=600
>> Name=ExternalGK
>> 
>> [RoutedMode]
>> GKRouted=1
>> H245Routed=1
>> CallSignalPort=1720
>> RemoveH245AddressOnTunneling=1
>> DropCallsByReleaseComplete=1
>> SupportNATedEndpoints=1
>> Q931PortRange=30000-39999
>> H245PortRange=40000-49999
>> EnableH46018=1
>> AcceptUnregisteredCalls=1
>> 
>> [RasSrv::ARQFeatures]
>> ArjReasonRouteCallToGatekeeper=0
>> SendRIP=9000
>> 
>> [Proxy]
>> Enable=1
>> ProxyAlways=1
>> RTPMultiplexing=1
>> RTPMultiplexPort=63000
>> RTCPMultiplexPort=63001
>> T120PortRange=50000-59999
>> RTPPortRange=50000-59999
>> [RasSrv::Neighbors]
>> GK1=Generic
>> GK2=Generic
>> 
>> [RasSrv::LRQFeatures]
>> ForwardResponse=1
>> 
>> [Neighbor:: GK1]
>> GatekeeperIdentifier=GK1
>> Host=192.168.254.28
>> SendPrefixes=*
>> AcceptPrefixes=*
>> H46018Client=0
>> H46018Server=1
>> AuthUser=**********
>> Password=**************
>> ForwardResponse=1
>> 
>> [Neighbor:: GK2]
>> GatekeeperIdentifier=GK2
>> Host=192.168.100.55
>> SendPrefixes=*
>> AcceptPrefixes=*
>> H46018Client=0
>> H46018Server=1
>> AuthUser=**********
>> Password=*************
>> ForwardResponse=1
>> ---------------------------------------------------------------------------
>> 
>> Thank you for any help!
>> 
>> Ehren
>> 
> 
> 
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> _______________________________________________________
> 
> Posting: mailto:Openh323gk-users@xxxxxxxxxxxxxxxxxxxxx
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