Sun GlassFish Enterprise Server v2.1.1 Deployment Planning Guide

Network Settings for HADB

Note –

HADB uses UDP multicast and thus you must enable multicast on your system’s routers and host network interface cards. If HADB spans multiple sub-networks, you must also enable multicast on the routers between the sub-networks. For best results, put HADB nodes all on same network. Application server instances may be on a different sub network.

The following suggestions will enable HADB to work optimally in the network: