GNUGK, even when bound to IP address does not source it's packets always from correct IP

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Playing with heartbeat and gnugk to create a non-h323 compliant high 
availability to get around endpoint issues that don't support alt 
properly and have run into a problem.

I have two gnugk's (10.10.10.36, and 10.10.10.37) running under Debian 
Linux with heartbeat running using vitual ip 10.10.10.38.  The failover 
with heartbeat works well, and even starts and stops gnugk if I want it to.

Now my problem, even with the following config;

Home=10.10.10.38
NetworkInterfaces=10.10.10.38/26
Bind=10.10.10.38
External=10.10.10.38

Some packets still leak out from the 10.10.10.36 (running on the first 
gnugk) IP address.  This doesn't work because information is 
encapsulated to the endpoint and it tries to use the 10.10.10.36 to 
connect to.  (IP Addresses changed to protect the guilty)

Any ideas?  Any configuration changes I can make to accommodate this?


tcpdump -n port 1719 or port 1720
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes
19:22:36.007726 IP 10.10.1.88.1719 > 10.10.10.38.1719: UDP, length 99
19:22:36.015331 IP 10.10.10.38.1719 > 10.10.1.88.1719: UDP, length 31
19:22:36.037680 IP 10.10.1.88.5564 > 10.10.10.36.1720: S 
1699762826:1699762826(0) win 16384 <mss 1460,nop,wscale 
0,nop,nop,timestamp 1064935081 0>
19:22:36.037715 IP 10.10.10.36.1720 > 10.10.1.88.5564: R 0:0(0) ack 
1699762827 win 0
19:22:36.057563 IP 10.10.1.88.1719 > 10.10.10.38.1719: UDP, length 71
19:22:36.058328 IP 10.10.10.38.1719 > 10.10.1.88.1719: UDP, length 3

Thanks and Best Regards
  Andrew

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