subsequent flows - different dst port - same server : how to?

Unanswered Question
Apr 11th, 2008

Hi All,

I am dealing with the following issue: I need to load balance a custom developped application that works like this: a session on port tcp1315 is opened on the server and closed, after that a classic ftp session is started. All this works fine on a single server of course, now I need to load balance this application across more servers; how can I make sure that the ftp session is load-balanced on the same server on that had received the former session to port tcp1315? I have a quite basic knowledge about CSS and I cannot find any useful example on CCO.

Many thanks in advance.

Cheers.

I have this problem too.
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Gilles Dufour Mon, 04/14/2008 - 02:09

One way of doing it would be to use only one content rule for both ftp traffic and tcp 1315 traffic.

Using a sticky srcip solution you can then guarantee that the same client always goes to the same server.

Another option would be configure 2 content rules one for each tcp port, and configure the same services, in the same order, then use balance srcip.

This should normally hash the srcip to the same service.

Gilles.

fausta.t Mon, 04/14/2008 - 02:32

Thanks Gilles,

I will be trying your suggestions in the next days. I will keep you updated about the results.

Cheers.

Fausta.

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