Routing Virtual Router Redundancy Protocol (VRRP)
Digi TransPort WR Routers User Guide
188
4. From the Interface drop down, select the LAN interface on which VRRPshould run.
5. In the Router ID field, enter the unique identifier for this router.
6. In the Interval field, enter the broadcast interval.
7. In the Initial State drop down, select the initial state at which the VRRP will start on this
router.
8. In the IPAddress field, enter the virtual IPaddress that is used by clients to connect to this
router.
9. In the Priority field, enter the priority for this route in the group. Note that a router with higher
priority gets preference when transitioning to the master router.
10. Click Apply to save the changes.
Command line
1. If you upgraded the TransPort from a pre-3.1 TransPort system, you need to update some of
the DHCP server settings to allow VRRP to work properly. See for more information.
2. Set the VRRPinterface:
digi.router> vrrp 1 interface lan2
3. Set this router’s ID for VRRP:
digi.router> vrrp 1 router-id 157
4. Set the interval at which this router will send out broadcast packets:
digi.router> vrrp 1 interval 25
5. Set the initial state at which VRRP will start on this router:
digi.router> vrrp 1 initial-state master
6. Set the virtual IP address that clients on the LAN will use to connect to this router:
digi.router> vrrp 1 ip-address 172.16.32.101
7. Turn on VRRP:
digi.router> vrrp 1 state on
8. Save the configuration:
digi.router> save config
Configure the default gateway and DNS server addresses for VRRP
If you upgraded the TransPort from a pre-3.1 TransPort system, you need to update some of the
DHCP server settings to allow VRRP to work properly. Specifically, the default gateway address and
primary DNS server address must point to the VRRP virtual IP address. Set both addresses to 0.0.0.0.
The value 0.0.0.0 allows the router to automatically use the VRRP virtual IP address when VRRP is
enabled for that LAN, or the IP address if VRRP is not enabled for that LAN.
You can use one of the following methods to reconfigure the DHCP server:
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