Hi all,
I am using the GNU GK v2.2.2 in a Linux machine in h.225 routed mode. This is the scenario I have in my laboratory:
Endpoint 1:
it is NATed (local address = 10.1.3.11, global address = 147.33.22.11) and has this E.164 alias: 931231231.
Endpoint 2:
has a private IP address which is 10.1.3.11 (not NATed) and has this E.164 alias: 937897897
Gatekeeper: has a public IP address.
I want to remark that this scenario is perfectly possible, above all if we deal with NATed endpoints (the assignation of IP addresses behind the NAT is out of GK Administrator's control).
Have a look at the following configuration:
[RasSrv::RRQFeatures] AcceptEndpointIdentifier=1 AcceptGatewayPrefixes=1
[Gatekeeper::Auth] AliasAuth=sufficient;RRQ PrefixAuth=required;ARQ default=allow
[RasSrv::RRQAuth] 931231231=sigip:10.1.3.11 937897897=sigip:10.1.3.11
Note that if I want the NATed endpoint to be registered, the specified IP address has to be the private one (10.1.3.11) and not the global one used by the NAT. Otherwise, the GK sends a RRJ with SecurityDenial reason.
Problem description:
When the Endpoint 1 calls Endpoint 2 the calls cannot be established as the GK don't replace the inner IP addresses of the H.225 and H.245 messages (as if it was GK proxy mode). The calling terminal realizes that the H.245 address is himself!! and then the call is released.
the most surprising thing is that if I call from Endpoint 2 to Endpoint 1 the call is estabished correctly because the GK has translated all the IP addresses inside the H.225 and H.245 messages.
Is this a bug in the GNU GK? Anybody could help me clarify it?
Thank you very much for your attention.
Victor
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