Foundry serverIron does support SIP and its ASIC not a linux box Load balancer like F5,<br>Refer to Chapter 10 (page 677) of ServerIron manual.<br>It explains everything in detail.<br>Also you may need to play with source nat a little bit to make your specific configuration work, but it should work, at least in theory.<br>
<br><br><div class="gmail_quote">On Thu, Nov 20, 2008 at 10:25 AM, Alex Balashov <span dir="ltr"><<a href="mailto:abalashov@evaristesys.com">abalashov@evaristesys.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div class="Ih2E3d">SIP wrote:<br>
<br>
> As for the current F5 SIP load balancer, we tried it a few years back<br>
> and it was a dismal failure. It wanted to do cookie-based SIP load<br>
> balancing and only worked with certain SIP proxies.<br>
<br>
</div>I assume that is because there is no way RFC-supported way to insert a<br>
cookie into a SIP session that persists throughout the entire exchange<br>
with a client, including all in-dialog requests, subsequent sessions, etc?<br>
<br>
The only way I know of to make a cookie stick on the UAC side is to put<br>
an LR parameter into the route set, but that will only last within a dialog.<br>
<br>
So, I'm assuming certain SIP proxies had proprietary ways of getting<br>
around that in order to work with F5?<br>
<div class="Ih2E3d"><br>
--<br>
Alex Balashov<br>
Evariste Systems<br>
Web : <a href="http://www.evaristesys.com/" target="_blank">http://www.evaristesys.com/</a><br>
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