dual-homed proxy but only unidirectional RTP streams

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Hi all,


currently, I'm testing a dual-homed proxy setup but getting RTP
traffic only in one direction. Please see below for a similiar example
of our configuration. When a conference is started, only endpoint0 is
displaying A/V content but no RTP data is proxied back to endpoint1.
ep0 is registered at an outside gatekeeper while ep1 at our test
instance.

After several tests and searches for information on multi-homed proxy
setups without success, any help and hints are appreciated.
*thx


Gatekeeper(GNU) Version(2.3.2)
schematic setup: http://pastebin.com/0ektd8nE



[gatekeeper.ini]
http://pastebin.com/pzN0zMxp


[Gatekeeper::Main]
Fortytwo=42
Name=gatekeeper
Home=171.42.1.212,175.193.73.212
TimeToLive=600
Bind=171.42.1.212
UseBroadcastListener=0

[RoutedMode]
GKRouted=1
H245Routed=0
RemoveH245AddressOnTunneling=1
AcceptNeighborsCalls=1
AcceptUnregisteredCalls=1
SupportNATedEndpoints=1
DropCallsByReleaseComplete=1
Q931PortRange=49152-65535
H245PortRange=49152-65535
UseBroadcastListener=0
CallSignalPort=1720

[Proxy]
Enable=1
InternalNetwork=171.42.0.0/16
T120PortRange=49152-65535
RTPPortRange=49152-65535

[ModeSelection]
171.42.0.0/16=PROXY,ROUTED
175.193.73.0/24=PROXY,PROXY



[gatekeeper.log]
http://pastebin.com/TphP4jnP
debug level 6


...
2010/10/28 14:31:59.795 2            Toolkit.cxx(291)   Default IP=171.42.1.212
2010/10/28 14:31:59.795 2         transports.cxx(904)   H323    Use of
non IP transport address: ""
2010/10/28 14:31:59.795 2            Toolkit.cxx(461)   GK      H.323
Proxy enabled
2010/10/28 14:31:59.795 2          singleton.cxx(25)    Create
instance: RasSrv(2)
2010/10/28 14:31:59.795 2            Toolkit.cxx(494)   GK      INI
Internal Network 0 = 171.42.0.0/16 (3,0)
2010/10/28 14:31:59.795 2            Toolkit.cxx(522)   GK
ModeSelection rule: 175.193.73.0/24=3,3
2010/10/28 14:31:59.795 2            Toolkit.cxx(515)   Removing
(implied) ModeSelection rule for 171.42.0.0/16
2010/10/28 14:31:59.795 2            Toolkit.cxx(522)   GK
ModeSelection rule: 171.42.0.0/16=3,1
2010/10/28 14:31:59.795 2            Toolkit.cxx(831)   GK      Loaded
per GW rewrite data:
2010/10/28 14:31:59.795 2            Toolkit.cxx(834)   GK      No per
GW data loaded
...
2010/10/28 14:32:35.482 4       ProxyChannel.cxx(4425)  H245
Command: flowControlCommand
2010/10/28 14:32:35.482 6           yasocket.cxx(678)
171.42.231.67:60160 11 bytes sent
2010/10/28 14:32:35.589 6           yasocket.cxx(783)   ProxyRTP(0)
 1 sockets selected from 6, total 6/0
2010/10/28 14:32:35.589 6       ProxyChannel.cxx(5085)  RTP
forward 171.42.231.67:60006 to 175.193.73.14:60204
2010/10/28 14:32:35.589 6           yasocket.cxx(678)
171.42.231.67:60006<=>171.42.1.212:49152<=>175.193.73.14:60204 301
bytes sent
2010/10/28 14:32:35.608 6           yasocket.cxx(783)   ProxyRTP(0)
 1 sockets selected from 6, total 6/0
2010/10/28 14:32:35.608 6       ProxyChannel.cxx(5085)  RTP
forward 171.42.231.67:60006 to 175.193.73.14:60204
2010/10/28 14:32:35.608 6           yasocket.cxx(678)
171.42.231.67:60006<=>171.42.1.212:49152<=>175.193.73.14:60204 254
bytes sent
...

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