Vrrp Definitions - Enterasys Security Router X-PeditionTM User Manual

IP Routing Protocols
Because the VR uses the IP address of the physical Ethernet interface of XSR1, XSR1 becomes the
master VR, also known as the IP address owner. XSR1, as the master VR, assumes the IP address of
the VR and is responsible for forwarding packets sent to this IP address.
Clients A, B, and C are configured with the default gateway IP address of 10.10.10.1.
XSR2 is a backup VR. If the master VR fails, XSR2 will take over as the master VR and support the
connected LAN hosts. When XSR1 comes back on line, it assumes the role of master VR again.
Figure 5-9
and provide full system redundancy. ClientA and ClientB install a default route to XSR1's VR IP
address and ClientC and ClientD install a default route to XSR2's VR IP address. Both XSRs serve
dual master/backup roles.

VRRP Definitions

The XSR defines VRRP terms as follows:
• VRRP Router - A router running the Virtual Router Redundancy Protocol. It may participate in
one or more VRs.
5-28 Configuring IP
Figure 5-8
10.10.10.1
ClientA
illustrates a topology where VRs XSR1 and XSR2 split outgoing traffic between them
Figure 5-9 Load Balanced, Redundant VRRP Topology
VR (Group 1)
IP address: 10.10.10.1 IP address: 10.10.10.2
VR Master1/Backup2
10.10.10.1
ClientA
Simple VRRP Topology
VR IP address: 10.10.10.1
XSR1
VR Master VR Backup
10.10.10.2
ClientB
VR (Group 2)
XSR1
VR Master2/Backup1
10.10.10.2
ClientB
ClientC
XSR2
ClientC
XSR2
ClientD