Thanks Clifford,

So if I'm setting up 3 servers, each tomcat instance needs to have this element twice? Is the mcastAddr, the IP for the other machines?

<Membership
className="org.apache.catalina.cluster.mcast.McastService"
mcastAddr="228.0.0.4"
mcastBindAddress="127.0.0.1"
mcastClusterDomain="d10"
mcastPort="45564"
mcastFrequency="1000"
mcastDropTime="30000"
recoveryCounter="10"
recoveryEnabled="true"
recoverySleepTime="5000"/>
Thanks,
Steven

On Nov 8, 2007, at 11:04 AM, Clifford Bryant wrote:

Here are some links that I used to cluster 2 machines.

http://www.ja-sig.org/wiki/display/CASUM/Clustering+CAS
http://tomcat.apache.org/tomcat-5.5-doc/cluster-howto.html

Basically, you need to set up multicast on your network, so that the
machines can share session information.

-----Original Message-----
From: Steven Crosley [mailto:[EMAIL PROTECTED]
Sent: Thursday, November 08, 2007 12:00 PM
To: users@tomcat.apache.org
Subject: Clustering Tomcat with multiple machines

Hi,

I've been scouring the web for documentation regarding clustering
Tomcat on 3 machines.  The only documentation I can find contains
information about clustering 3 instances of Tomcat on the same machine.

Can anyone tell me what exactly would need to be changed in order to
use Tomcat on 3 machines instead of 3 instances on 1 machine?

Thanks,
Steven


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