[reSIProcate] DNS not returning entries after 408?
Jeremy Geras
jgeras at newheights.com
Thu Dec 7 10:55:46 CST 2006
Hi,
I'm using the latest code from SVN (updated today), and I've encountered
an issue with DNS in the following case:
Client Registrar
REGISTER (due to user login)------------->
<---------------------------------- 200 OK
(at this point the Registrar becomes unavailable - its IP is still
reachable, but nothing is listening on UDP port 5060)
re-REGISTER (due to Expires timer)------->
(~ 30 seconds go by and then I get a 408 from DUM)
(client sits idle for ~ 30 seconds more)
REGISTER -------------------------------->
(Get a 503 Service Unavailable immediately from DUM)
(sit idle for any amount of time)
REGISTER -------------------------------->
<---------------------------------- 200 OK
My client is set up to use only UDP as a transport. I'm using DUM.
I've looked at the logs, and it seems the reason I'm getting the 503 is
that there aren't any DNS entries for my registrar: "Ran out of dns
entries for 192.168.1.172. Send 503". But this doesn't make sense, as
there definitely should be entries (and since I can register if I try
once again after I get the 503).
If I go back to an older revision (6609 which is from back in
September), I don't have this issue - i.e. I don't get the 503, my last
REGISTER actually goes out on the wire and I get my expected 200 OK.
Any thoughts?
Thanks,
- Jeremy -
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