Application Delivery (ADX)

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Contributor
Posts: 49
Registered: ‎04-24-2009

Why do I have sessions with source-port 0 in the session table?

I had another look at the sessions table and I am seesing sessions like:

Index   Src-IP               Dst-IP                S-port     D-port   Age  Server        Flags
===== ======            ======             ====== ====== ===  ======    =========


7         192.168.9.100   192.168.9.222    
0
            80          2     rs203         SLB3 H


What are these sessions used for?


Super Contributor
Posts: 316
Registered: ‎05-01-2009

Re: Why do I have sessions with source-port 0 in the session table?

I assume you do have the sticky setting enabled in your configuration somewhere. The session table entry you have used as an example is a so called "sticky-session".

7       192.168.9.100 192.168.9.222   0          80        2   rs203       SLB3 H

You do have "sticky" enable for the virtual server with the IP address 192.168.9.222. The meaning of the session table entry is pretty simple: ALL sessions coming from the client with IP address 192.168.9.100 going to virtual server IP 192.168.9.222 and trying to access port 80 of this virtual server need to go to the real server with the name rs203. The source ports is 0 because it is a general entry related to the client and ALL sessions from this client.



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