For the archives: I found that the problem was caused by an error in the interfaces configuration. I mistakenly had 2 gateways configured. Now, all appears to be working just fine. :) Andrew > -----Original Message----- > From: openh323gk-users-bounces@xxxxxxxxxxxxxxxxxxxxx > [mailto:openh323gk-users-bounces@xxxxxxxxxxxxxxxxxxxxx] On > Behalf Of Andrew Struiksma > Sent: Friday, May 16, 2008 11:08 AM > To: GNU Gatekeeper Users > Subject: GnuGK confused about WAN and LAN > > I am proxying all my video calls through my GnuGK (2.2.7). > Since I performed a Debian kernel update I've had problems > with GnuGK incorrectly identifying my LAN and WAN interfaces. > To even register to our state gatekeeper I had to specify > ExternalIP=<WAN IP> in my INI. > However, I'm still having trouble with some calls where we > can receive video/audio but do not send anything. I've done > some packet captures and this is what I am seeing. > > OUTBOUND RTP: > Our endpoint --(LAN)--> GnuGK --(LAN)--xx> (traffic dies) > > GnuGK is sending the proxied RTP traffic from the LAN > interface when it should be sending it from the WAN > interface. How does GnuGK decide which interface to use when > resending the proxied traffic? > > The inbound traffic is OK (INBOUND RTP): > their endpoint --(WAN)--> GnuGK --(LAN)--> our endpoint > > What has made this problem very difficult to track down is > that a call can start out OK and then suddenly we are not > sending any video/audio from the WAN interface. When I do a > packet capture, I can see that GnuGK has switched from > sending proxied RTP traffic on the WAN interface to the LAN > interface. I would appreciate some ideas on what could be > causing this. > > My gnugk.ini is: > > ---------------------------- > [Gatekeeper::Main] > Fortytwo=42 > Name=NWESD-GK1 > ExternalIP=<WAN card IP> > > [LogFile] > Rotate=Daily > RotateTime=1:00 > > [GkStatus::Auth] > rule=explicit > 127.0.0.1=allow > default=forbid > Shutdown=allow > > [Gatekeeper::Acct] > FileAcct=required > > [FileAcct] > DetailFile=/var/log/gnugk/cdr.log > Rotate=weekly > RotateDay=Sun > RotateTime=00:59 > > [RoutedMode] > GKRouted=1 > H245Routed=1 > CallSignalPort=1720 > EndpointSignalPort=1721 > CallSignalHandlerNumber=5 > AcceptNeighborsCalls=1 > SupportNATedEndpoints=1 > Q931PortRange=20000-20099 > H245PortRange=30000-30099 > AcceptUnregisteredCalls=1 > SupportCallingNATedEndpoints=1 > > [Proxy] > Enable=1 > ProxyForNat=1 > ProxyForSameNAT=0 > T120PortRange=40000-40099 > RTPPortRange=50000-50099 > > [Endpoint] > Gatekeeper=<IP of state gk> > Type=Terminal > Vendor=GnuGK > H323ID=NWESD-GnuGK1 > E164=<a comma delimited list of my EP's E164 aliases> > > [RasSrv::ARQFeatures] > CallUnregisteredEndpoints=1 > > [RasSrv::RRQFeatures] > SupportDynamicIP=1 > OverwriteEPOnSameAddress=1 > ---------------------------- > > Thanks! > > Andrew Struiksma > > -------------------------------------------------------------- > ----------- > This SF.net email is sponsored by: Microsoft Defy all > challenges. Microsoft(R) Visual Studio 2008. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________________ > > Posting: mailto:Openh323gk-users@xxxxxxxxxxxxxxxxxxxxx > Archive: > http://sourceforge.net/mailarchive/forum.php?forum_name=openh3 23gk-users > Unsubscribe: > http://lists.sourceforge.net/lists/listinfo/openh323gk-users > Homepage: http://www.gnugk.org/ > ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________________ Posting: mailto:Openh323gk-users@xxxxxxxxxxxxxxxxxxxxx Archive: http://sourceforge.net/mailarchive/forum.php?forum_name=openh323gk-users Unsubscribe: http://lists.sourceforge.net/lists/listinfo/openh323gk-users Homepage: http://www.gnugk.org/