GnuGK 2 Endpoints behind NAT

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Greetings,

 

i have a simple quick question which i can’t figure out myself:

 

I have a small private network which has one Router and only one public IP from my ISP. In this very small network I have 2 videoconferencing systems from sony (xg80 and xg100). Both are connected to the gnugk, I’ve setup no authentication (not on gnugk side or on sony side)

When I call a MCU outside my network through the gnugk from one of both systems (doesn’t matter which system) I get connected. When I call with second system afterwards, I can’t get connected.

Now my question:

Is it possible to have 2 or more systems behind a router with only one public IP and let them connect to a MCU (Tandberg, cisco e.g.) or do I need a second public IP?

 

Here is my very basic config for gnugk:

 

[Gatekeeper::Main]

Name=VisionGatekeeper

EndpointIDSuffix=_vision7639288

 

[GkStatus::Auth]

rule=password

admin=UZdh380=8

 

[RoutedMode]

GKRouted=1

H245Routed=1

CallSignalPort=1721

AcceptUnregisteredCalls=1

RemoveH245AddressOnTunneling=0

RemoveH245AddressFromSetup=0

SupportNATedEndpoints=1

TreatUnregisteredNAT=1

GenerateCallProceeding=1

EnableH46018=1

AlwaysRewriteSourceCallSignalAddress=1

 

[Proxy]

Enable=1

ProxyAlways=1

 

[ReplyToRasAddress]

79.142.35.0/24=True

 

My Public IP is: 79.142.35.177

 

Here is the log snippet that is needed I think….or do I have to configure something else on gnugk?

 

2016/04/06 10:27:49.491 1             RasSrv.cxx(393)   RAS     ARQ Received from 79.142.35.177:29620

2016/04/06 10:27:49.491 3             RasSrv.cxx(3120)  Reply to saved rasAddress:79.142.35.177:29620

2016/04/06 10:27:49.491 3             RasSrv.cxx(3396)  GK      ACF will grant bandwidth of 20480

2016/04/06 10:27:49.492 2             RasTbl.cxx(4746)  CallTable::Insert(CALL) Call No. 1, total sessions : 1

2016/04/06 10:27:49.492 2             RasSrv.cxx(446)   ACF|79.142.35.177:29620|3873891045_vision7639288|23091|511:dialedDigits|3873891045_vision7639288:h323_ID|false|30-40-de-6c-20-01-00-1f-24-08-a1-c6-87-b4-dd-53|ToBeDecided;

2016/04/06 10:27:49.492 3             RasSrv.cxx(266)   RAS     Send to 79.142.35.177:29620

 

2016/04/06 10:27:49.558 3       ProxyChannel.cxx(1878)  Q931s   Received: Setup CRV=23091 from 79.142.35.177:57347

2016/04/06 10:27:49.559 2             gkacct.cxx(965)   GKACCT  Successfully logged event 1 for call no. 1

2016/04/06 10:27:49.559 3       ProxyChannel.cxx(4811)  GK      Call 1 proxy enabled (H.460.18/.19)

2016/04/06 10:27:49.560 3       ProxyChannel.cxx(5155)  Q931s   Call 1 is NAT type 1

2016/04/06 10:27:49.560 3       ProxyChannel.cxx(1592)  GK      Call 1 proxy enabled. (ProxyAlways)

2016/04/06 10:27:49.560 1       ProxyChannel.cxx(1634)  Call 1: h245Routed=1 proxy=1

2016/04/06 10:27:49.560 3       ProxyChannel.cxx(1672)  GK      Call 1 proxy enabled

2016/04/06 10:27:49.562 3       ProxyChannel.cxx(8093)  Q931    Connect to 79.142.32.144:1720 from 79.142.32.168:0 successful

2016/04/06 10:27:49.708 3       ProxyChannel.cxx(1878)  Q931d   Received: Alerting CRV=23091 from 79.142.32.144:1720

2016/04/06 10:27:49.708 2             gkacct.cxx(965)   GKACCT  Successfully logged event 64 for call no. 1

2016/04/06 10:27:49.717 3       ProxyChannel.cxx(1878)  Q931d   Received: Connect CRV=23091 from 79.142.32.144:1720

2016/04/06 10:27:49.718 2             gkacct.cxx(965)   GKACCT  Successfully logged event 32 for call no. 1

2016/04/06 10:27:49.718 3       ProxyChannel.cxx(8896)  H245    Set h245Address to 79.142.32.168:59676

2016/04/06 10:27:49.790 3       ProxyChannel.cxx(8776)  H245    Connected from 79.142.35.177:22833 on 79.142.32.168:59676

2016/04/06 10:27:49.791 3       ProxyChannel.cxx(8809)  H245    Connect to 79.142.32.144:5601 from 79.142.32.168:0 successful

2016/04/06 10:27:49.793 2             RasSrv.cxx(177)   RAS     Read from 79.142.35.177:29620

 

2016/04/06 10:27:49.793 1             RasSrv.cxx(393)   RAS     BRQ Received from 79.142.35.177:29620

2016/04/06 10:27:49.793 3             RasSrv.cxx(3787)  Reply to saved rasAddress:79.142.35.177:29620

2016/04/06 10:27:49.793 2             RasSrv.cxx(446)   BCF|79.142.35.177|3873891045_vision7639288|20480;

2016/04/06 10:27:49.793 3             RasSrv.cxx(266)   RAS     Send to 79.142.35.177:29620

 

 

2016/04/06 10:28:03.652 1             RasSrv.cxx(393)   RAS     ARQ Received from 79.142.35.177:9101

2016/04/06 10:28:03.653 3             RasSrv.cxx(3120)  Reply to saved rasAddress:79.142.35.177:9101

2016/04/06 10:28:03.653 3             RasSrv.cxx(3396)  GK      ACF will grant bandwidth of 20480

2016/04/06 10:28:03.653 2             RasTbl.cxx(4746)  CallTable::Insert(CALL) Call No. 2, total sessions : 2

2016/04/06 10:28:03.654 2             RasSrv.cxx(446)   ACF|79.142.35.177:9101|3142736620_vision7639288|3696|511:dialedDigits|3142736620_vision7639288:h323_ID|false|f5-7a-31-dc-3c-05-00-1f-05-17-04-ed-22-b3-70-e9|ToBeDecided;

2016/04/06 10:28:03.654 3             RasSrv.cxx(266)   RAS     Send to 79.142.35.177:9101

 

 

2016/04/06 10:28:07.659 1             RasSrv.cxx(393)   RAS     ARQ Received from 79.142.35.177:9101

2016/04/06 10:28:07.659 3             RasSrv.cxx(3120)  Reply to saved rasAddress:79.142.35.177:9101

2016/04/06 10:28:07.660 3             RasSrv.cxx(3396)  GK      ACF will grant bandwidth of 20480

2016/04/06 10:28:07.660 3             RasSrv.cxx(3440)  GK      ACF: found existing call no 2

2016/04/06 10:28:07.660 2             RasSrv.cxx(446)   ACF|79.142.35.177:9101|3142736620_vision7639288|3696|511:dialedDigits|3142736620_vision7639288:h323_ID|false|f5-7a-31-dc-3c-05-00-1f-05-17-04-ed-22-b3-70-e9| ;

2016/04/06 10:28:07.660 3             RasSrv.cxx(266)   RAS     Send to 79.142.35.177:9101

 

Can anyone point me to the right direction or give me a hint where I need to look for?

 

Thanks in advance

 

Jürgen

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