When I add the ExternalIP to the Main section, calls inside the LAN are ok, but I cannot then place calls to any unregistered endpoints outside the LAN.

I am on a dynamic ADSL so I also added the ExternalIsDynamic=1 but that also doesn't work.

I get a no route to destination error on my endpoints inside when I try calling out.

Mike

Andrew Struiksma wrote:
I think you need to add your public IP to the main section like this:

[Gatekeeper::Main]
Fortytwo=42
Name=OfficeGk
TimeToLive=300
ExternalIP=x.x.x.x

Andrew



-----Original Message-----
From: Michael Bondi [mailto:m...@bridgeconference.co.za] Sent: Thursday, November 05, 2009 7:34 AM
To: GNU Gatekeeper Users
Subject: [Openh323gk-users] Calling through two gnugks

Hi All,

I have two separate gnugks each receiving calls from the internet and passing 
to the catchall correctly now (many thanks Jan for the pointer).

Endpoint 1 <-----> gnugk1 <-----> internet <-----> gnugk2 <-----> Endpoint 2
                                                     |
                                                     |
public endpoint
I can call in from a public endpoint outside of each network and calls are fine 
too by using the domain name or the e...@domain syntax.

I can call from endpoints on each network to the public IP fine too.

Problem:
======

When I place a call from an endpoint on one network to an endpoint on the other 
network using the H323 url, the call connects but I cannot see or hear the 
other side.

What is making it difficult is that I cannot be in two places at the same time. 
I have tried connecting the two networks via VPN and then the call works 
flawlessly, but that's defeating the objective and is getting me really 
confused.

I assumed it may have something to do with the RTP ports used at each of the 
endpoints and there is a port mismatch if I use endpoints from different 
vendors.

I don't want the gnugks to be neighbors.

My gnugks are set exactly the same at each end except for the network 
addresses. My firewalls are the same as well as the port forwards.

I tried with PVX at each end, but I do not get audio or video. I also tried 
with Mirial but no success.

I'll try running a Wireshark trace on each gnugk interface to see what is 
happening and post further later.

Here is my config:
============

[Gatekeeper::Main]
Fortytwo=42
Name=OfficeGk
TimeToLive=300

[GkStatus::Auth]
rule=allow

[RoutedMode]
GKRouted=1
H245Routed=1
CallSignalPort=1720
AcceptUnregisteredCalls=1
Q931PortRange=30000-30999
H245PortRange=31000-31999

[Proxy]
Enable=1
InternalNetwork=192.168.1.0/255.255.255.0
T120PortRange=50000-59999
RTPPortRange=1024-65535
DropCallsByReleaseComplete=1
SendReleaseCompleteOnDRQ=1
SupportNATedEndpoints=1
SupportCallingNATedEndpoints=1
TreatUnregisteredNAT=1

[RoutingPolicy]
default=explicit,internal,parent,neighbor,srv,dns,catchall

[Routing::CatchAll]
CatchAllAlias=1234

[RasSrv::LRQFeatures]
AcceptNonNeighborLRQ=1

Here is my port forward table:

T_120   Always On       tcp     1503 - 1503     1503 - 1503     192.168.1.15    
<http://192.168.1.1/virtual_server/virtual_edit.html?ImFireWall.ImFwInterfaces.ipwan.ImFwNATresvMaps.T_120> <http://192.168.1.1/virtual_server/virtual_del.html?ImFireWall.ImFwInterfaces.ipwan.ImFwNATresvMaps.T_120>
H_323   Always On       tcp     1718 - 1721     1718 - 1721     192.168.1.15    
<http://192.168.1.1/virtual_server/virtual_edit.html?ImFireWall.ImFwInterfaces.ipwan.ImFwNATresvMaps.H_323> <http://192.168.1.1/virtual_server/virtual_del.html?ImFireWall.ImFwInterfaces.ipwan.ImFwNATresvMaps.H_323>
H245_Q931       Always On       tcp     30000 - 32000   30000 - 32000   
192.168.1.15    
<http://192.168.1.1/virtual_server/virtual_edit.html?ImFireWall.ImFwInterfaces.ipwan.ImFwNATresvMaps.H245_Q931> <http://192.168.1.1/virtual_server/virtual_del.html?ImFireWall.ImFwInterfaces.ipwan.ImFwNATresvMaps.H245_Q931>
RTP     Always On       udp     1024 - 65535    1024 - 65535    192.168.1.15    
<http://192.168.1.1/virtual_server/virtual_edit.html?ImFireWall.ImFwInterfaces.ipwan.ImFwNATresvMaps.RTP> <http://192.168.1.1/virtual_server/virtual_del.html?ImFireWall.ImFwInterfaces.ipwan.ImFwNATresvMaps.RTP>
T120    Always On       tcp     50000 - 59999   50000 - 59999   192.168.1.15    
<http://192.168.1.1/virtual_server/virtual_edit.html?ImFireWall.ImFwInterfaces.ipwan.ImFwNATresvMaps.T120> <http://192.168.1.1/virtual_server/virtual_del.html?ImFireWall.ImFwInterfaces.ipwan.ImFwNATresvMaps.T120>



If anyone can spot my mistake please give me a pointer, I am losing serious 
sleep over this now!

Mike

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