kamailio >= 3.0 is based on ser's core which has implemented its own
caching resolver library. I do not know if there is a way to disable it
complete and use the system's stub resolver. You could try the
"use_dns_cache" option:
http://sip-router.org/wiki/cookbooks/core-cookbook/devel#dns_parameters
regards
klaus
Am 01.09.2010 17:10, schrieb Santiago Soares:
Hello,
I'm using kamailio as a simple load balancer.
My dispatcher list is something like that:
1 sip:server1:5060
1 sip:server2:5060
2 sip:server1:5060
and /etc/hosts is
10.1.1.1 server1
10.1.1.2 server2
When I want to do some maintenance task in one of the servers, server2,
for exemple, I simply change /etc/hosts like that:
10.1.1.1 server1
10.1.1.1 server2
And all the traffic is redirected to server 1. It's a simple yet
effective way to remove a server from balancing.
The thing is that it works on kamailio 1.5.3, but on kamailio 3.0.3 it
doesn't work, since kamailio appears to resolv names only by DNS.
I receive this message on startup:
Sep 1 12:04:32 install /usr/local/sbin/kamailio[16077]: ERROR:
dispatcher [dispatch.c:241]: could not resolve server1
Sep 1 12:04:32 install /usr/local/sbin/kamailio[16077]: ERROR:
dispatcher [dispatcher.c:247]: no dispatching list loaded from file
Sep 1 12:04:32 install /usr/local/sbin/kamailio[16077]: ERROR: <core>
[sr_module.c:874]: init_mod(): Error while initializing module dispatcher
Is there any way to avoid this behavior, and force kamailio to use
/etc/hosts?
Thank you.
Santiago Soares
Fone: (41) 8488-0537
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