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SmartSwitch Router User Reference Manual 197
Chapter 14: VRRP Configuration Guide
In VRRP, the router that owns the IP address associated with the virtual router is the
Master. Any other routers that participate in this virtual router are Backups. In this
configuration, Router R1 is the Master for virtual router
VRID=1
because it owns
10.0.0.1/16, the IP address associated with virtual router
VRID=1
.
Configuration for Router R2
The following is the configuration file for Router R2 in Figure 17.
The configuration for Router R2 is nearly identical to Router R1. The difference is that
Router R2 does not own IP address 10.0.0.1/16. Since Router R2 does not own this IP
address, it is the Backup. It will take over from the Master if it should become unavailable.
Symmetrical Configuration
Figure 18 shows a VRRP configuration with two routers and two virtual routers. Routers
R1 and R2 are both configured with two virtual routers (
VRID=1
and
VRID=2
).
Router R1 serves as:
• Master for
VRID=1
•Backup for
VRID=2
Router R2 serves as:
• Master for
VRID=2
•Backup for
VRID=1
This configuration allows you to load-balance traffic coming from the hosts on the
10.0.0.0/16 subnet and provides a redundant path to either virtual router.
Note: This is the recommended configuration on a network using VRRP.
1: interface create ip test address-netmask 10.0.0.2/16 port et.1.1
2: ip-redundancy create vrrp 1 interface test
3: ip-redundancy associate vrrp 1 interface test address 10.0.0.1/16
4: ip-redundancy start vrrp 1 interface test