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Chapter 14 Load Balancing in the P333R-LB
24 Avaya P333R-LB User’s Guide
!
real-bridging-fw 10.1.1.1
!
real-bridging-fw 10.2.1.1
!
rsg "fw-group"
type-id bridging-fw 1
real-bridging-fw 10.1.1.1
real-bridging-fw 10.2.1.1
!
virtual-fw-service "bridging-internal"
id 1 bridging-fw
ip route 10.4.1.0 255.255.255.0
rsg "fw-group"
Load Balancing Metrics for Bridging FWLB
Bridging FWLB uses the following metrics:
•Hash.
• MinMiss Hash.
Hash is the default metric for FWLB, and the metric parameter is: Source IP,
Destination IP. For full information about Hash and MinMiss Hash, see Load
Balancing Metrics for Transparent Routing FWLB on page 13. For full information
on selecting a load balancing metric, see Selecting a Load Balancing Metric on page
15.
Health Check
As with Transparent Routing FWLB, the interfaces on both sides of the firewall are
periodically pinged and checked if an answer was received. Since each firewall is
configured on a different VLAN, the ping will always remain on the same firewall.
Persistency
Each P333R-LB interface and the firewall connected to it reside in a separate VLAN.
This ensures persistency since all the traffic through a particular firewall is
contained in the firewall’s VLAN.