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Re: Flush UDP connection when virtual service fail

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: Flush UDP connection when virtual service fail
From: Marcos Hack <marcoshack@xxxxxxxxx>
Date: Thu, 22 Dec 2005 15:06:24 -0200
Well, I'm still testing the solution and I'll write some better later,
but the problem has solved just setting
/proc/sys/net/ipv4/vs/expire_nodest_conn = 1 and change keepalived to
remove virtual service on failure instead "inhibit_on_failure" (set
weight to 0).

Rgs.


2005/12/20, Joseph Mack NA3T <jmack@xxxxxxxx>:
> On Tue, 20 Dec 2005, Marcos Hack wrote:
>
> > Good morning.
> >
> > I'm using LVS to load balance SIP UDP connections, and when a virtual
> > service fail on a real server the director don't clean up the UDP
> > connection on connection table. Are there some workaround for this
> > issue?
> >
> > I'm using Linux Kernel 2.6.13-15 from openSuSE 10.0.
>
> There's not a lot of wisdom about SIP on LVS. One person
> (from memory) has it working, but other people are having
> problems like yours. Can you look back through the mailing
> list archives and see if there's anything related. Horms put
> out a patch recently (I'd guess in the last 2 months)
> related to flushing UDP connections, likely with SIP.
>
> Can you let us know (on the list) what you find, so that it
> makes its way into the HOWTO eventually?
>
> Thanks Joe
>
> --
> Joseph Mack NA3T EME(B,D), FM05lw North Carolina
> jmack (at) wm7d (dot) net - azimuthal equidistant map
> generator at http://www.wm7d.net/azproj.shtml
> Homepage http://www.austintek.com/ It's GNU/Linux!
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