Use Case: Configuring a Layer 2 VRRP Router
The following figure shows a typical VRRP configuration.
Figure 2 Layer 2 VRRP Router
In this example, the IP address 203.0.113.8 is configured as the default gateway for host1. This IP address is the virtual IP address that is protected by the virtual router that is configured on two routers: router1 and router2. At any given time, only one of the two routers serves as the master router, which assumes the responsibilities of the virtual router and forwards packets that come from host1.
Assume that the VRID of the virtual router is 12. The following examples show the commands that are used to configure the example VRRP configuration on router1 and router2. router1 is the owner of the virtual IP address 203.0.113.8 and its priority is the default value (255). router2 is the standby router whose priority is 100.
On router1:
$ pkg install vrrp $ dladm create-vnic -m vrrp -V 12 -A inet -l net0 vnic0 $ vrrpadm create-router -V 12 -A inet -I net0 vrrp1 $ ipadm create-ip vnic0 $ ipadm create-addr -T vrrp -a 203.0.113.8/24 vnic0/router1 $ ipadm create-ip net0 $ ipadm create-addr -a 203.0.113.100/24 net0/router1 $ vrrpadm show-router -x vrrp1 NAME STATE PRV_STAT STAT_LAST VNIC PRIMARY_IP VIRTUAL_IPS vrrp1 MASTER INIT 14.444s vnic0 203.0.113.100 203.0.113.8
On router2:
$ dladm create-vnic -m vrrp -V 12 -A inet -l net1 vnic1 $ vrrpadm create-router -V 12 -A inet -I net1 -p 100 vrrp2 $ ipadm create-ip vnic1 $ ipadm create-addr -T vrrp -a 203.0.113.8/24 vnic1/router2 $ ipadm create-ip net1 $ ipadm create-addr -a 203.0.113.101/24 net1/router2 $ vrrpadm show-router -x vrrp2 NAME STATE PRV_STAT STAT_LAST VNIC PRIMARY_IP VIRTUAL_IPS vrrp2 BACKUP INIT 2m32s vnic1 203.0.113.101 203.0.113.8
Using the configuration of router1 as an example, you would configure at least one IP address over net0. This IP address of router1 is the primary IP address, which is used to send the VRRP advertisement packets.
$ vrrpadm show-router -x vrrp1 NAME STATE PRV_STAT STAT_LAST VNIC PRIMARY_IP VIRTUAL_IPS vrrp1 MASTER INIT 14.444s vnic1 203.0.113.100 203.0.113.8