To properly load balance a GridGuard Virtual Appliance the following services need to be balanced and monitored:
TCP 443 (HTTPS)
TCP 389, 6268 (LDAP)
TCP 636, 6269 (LDAPS)
UDP 1812 (Radius Auth) [ Not needed in all circumstances. Check with SyferLock technician if this needs to be balanced and monitored.
Each balanced service should monitor ALL of the monitored services. This will allow for all services to be redirected to the alternate instance in case any service on a node fails.