HP SuperStack 3 Load Balancer Appliance manual Source Meaning Contribution

Redundant Configuration Issues 9

Table 1 depicts the contributing values used for the various network connectivity components monitored by the Server Load Balancer and Server Load Balancer Plus:

Table 1 Contributing Values of Monitored Components

Source	Meaning	Contribution
Client Role Port	One or more ports with	10 points
	client access role in the
	forwarding state
Server Role Port	One or more ports with	10 points
	server access role in the
	forwarding state
Default Router	The default router is	15 points
	determined to be
	reachable via a ping check

Server Assignment	The server associated to a
	service assignment is
	determined to be
	reachable via a Balance
	Specification health check

1 point per server assignment

Note: A server may be assigned to more than one service and will contribute 1 point per assignment

Active Redundancy	The Server Load Balancer 5 points
Designation	has been designated as the
	primary device in the
	redundant configuration.

In the example message log line shown under Virtual Router Redundancy Protocol Priority Generation on page 8, the priority value derived is defined as follows:

Client Role Ports Reachable	10
Server Role Ports Reachable	10
Default Router Reachable	15
Active Designation	5
Original priority:	40
Server Assignment	1
Revised priority:	41

Preventing VRID The VRRP protocol requires a unique identifier be used for each Collisions redundant device configuration. The Server Load Balancer and Server

Load Balancer Plus defaults the VRID field to the values of 1 and 2.