[lvs-users] load balancer IP limit?

Joseph Mack NA3T jmack at wm7d.net
Thu Oct 23 00:28:39 BST 2008

On Wed, 22 Oct 2008, Steve Haneman wrote:

>    for (my $x=11; $x <= 111; $x++)
>    {
>            system("/sbin/ipvsadm -A -t 172.16.16.$x:443 -p 1500 -s rr");
>            system("/sbin/ipvsadm -a -t 172.16.16.$x:443 -r 192.168.253.$x:443 -m -w 1");
>            system("/sbin/ipvsadm -a -t 172.16.16.$x:443 -r 192.168.252.$x:443 -m -w 1");
>    }
> I'm finding that 4% of the time the sessions are not 
> sticky.  A user/password web POST goes to one server and a 
> followup POST ends up at the other server.

how long between the two posts? More than 1500? more that 
the lvs tcp timeouts?


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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