Configuring SIP proxy settings for load balancing in a Sametime Gateway cluster

In an IBM® Sametime® Gateway cluster, configure IBM WebSphere® proxy server to accept both secure and non-secured traffic from the load balancer. Configure these settings on every proxy server in the cluster.

Procedure

  1. On the WebSphere proxy server, log in to the Integrated Solutions Console as the WebSphere administrator.
  2. In the navigator, click Servers > Server Types > WebSphere proxy servers.
  3. In the proxy servers table, click on the name of the server that you want to configure.
  4. On the Configuration page, look in the "Proxy Settings" section, expand SIP Proxy Server Settings, and then click SIP proxy server settings.
  5. Under "Container facing network interface", type the physical IP address of the current WebSphere proxy server into each of the following fields:
    • UDP interface
    • TCP interface
    • TLS interface
  6. (Optional) Define load-balancer health checking settings for this proxy server:
    1. Look in the "Load balancer health checking" section.
    2. In the Load balancer members IP address 1 field, type the physical IP address of the computer where Load Balancer is installed.
    3. In the SIP health check method name field, type OPTIONS.
  7. Click OK to save the proxy server settings.
  8. Save the change to the master configuration by clicking the Save link in the "Messages" box at the beginning of the page.