Re: ultramonkey and asterisk

On Wed, Oct 15, 2008 at 12:48:39AM +0800, Ron wrote:
> hi,
> 
> anyone able to se ultramonkey lvs for sip (specifically asterisk).
> 
> i am testing it now but my phone could not register, it seems like when 
> ultramonkey forwards it to the real server, the auth header is missing. 
> any idea?

Hi,

it is a long time since I have tried to use SIP with LVS.
But as I recall the main problem is that a) the protocol is
UDP and thus doesn't have connections that can be tracked
at layer 4 and b) in the case of the tests that I was running
it wasn't entirely obvious how to identify connections
based on the source and destination port and IP address,
which is essetnailly how LVS works. Julian's One Packet scheuler
is an attempt to address this.

http://www.austintek.com/LVS/LVS-HOWTO/HOWTO/

The discussion here also seems relevant

http://www.gossamer-threads.com/lists/lvs/users/20871

As for stripping out the auth header, that seems
a little unlikely to me as LVS doesn't alter the
contents of packets.

-- 
Simon Horman
  VA Linux Systems Japan K.K., Sydney, Australia Satellite Office
  H: www.vergenet.net/~horms/             W: www.valinux.co.jp/en

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