[SR-Users] force_send_socket and IPv6

[Andreas Granig]

On 12/15/2011 11:10 AM, Andreas Granig wrote:
> On 12/15/2011 10:19 AM, Daniel-Constantin Mierla wrote:
>>> ERROR: tm [ut.h:295]: ERROR: uri2dst: failed to resolve "[x::x]"
>>> :unresolvable A or AAAA request (-7)
>>>
>>> Is there something I haven't considered yet? Why would it try a DNS
>>> lookup for this R-URI?
>> is it failing over all or is the request forwarded?
> 
> It's failing overall with "478 Unresolvable destination (478/TM)".

Actually I get two messages back from the outbound load-balancer
towards the proxy for the same INVITE, one right after the other:

U 127.0.0.1:5060 -> 127.0.0.1:5080
SIP/2.0 500 I'm terribly sorry, server error occurred (1/SL).

U 127.0.0.1:5060 -> 127.0.0.1:5080
SIP/2.0 478 Unresolvable destination (478/TM).

The scenario is this:

[v4user]-(ipv4)->[lb]-(ipv4)->[proxy]-(ipv4)->[lb]-(ipv6)->[v6user]

The problem appears on the last lb hop, so it never sends anything over
IPv6 to the v6user, but passes back the two errors from above to the
proxy. I'm trying to dig deeper later today.

Andreas

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