Novell SUSE LINUX ENTERPRISE SERVER 10 SP2 HEARTBEAT Manual page 28

5 On the Start-up Configuration screen, choose whether you want to start the
Figure 2.4 Startup Configuration
20 Heartbeat
NOTE: UDP Port Settings
Note that the UDP port setting only apply to broadcast media, not to
the other media you may use. When editing UDP ports manually in /etc/
ha.d/ha.cf, the udpport entry must precede the bcast entry it
belongs to, otherwise Heartbeat will ignore the port setting.
After specifying a Heartbeat medium, click Add to add that medium type to
Heartbeat and proceed with Next.
Heartbeat software on this cluster server each time it is booted.
If you select Off, you must start Heartbeat manually each time this cluster server
is booted. You can start the Heartbeat server manually using the rcheartbeat
start command.
To start the Heartbeat server immediately, select On - Start Heartbeat Server
Now and when Booting.