
Table 10 Additional VRRP Parameters Used in Full Method
Parameter | Description |
|
|
Preempt mode | Preempt mode is enabled by default. |
| Check disabled to specify that this router will not fail over to a router with higher |
| priority. Use this setting if you want to reduce the number of transitions. For example, |
| if you disable preempt mode on a backup and the master fails over to it, then when |
| the master becomes active again, the virtual router will not fail back to it. Rather the |
| new master will remain the master even though it has a lower priority. |
| |
| on a platform when one interface goes down. It triggers failover by subtracting the |
| priority delta from the priority for each mcVRRP interface, causing the interface to fail |
| over to a node with a higher priority. If you disable preempt mode, interfaces will no |
| longer failover in this way; they will only failover if their effective priority is 0. |
| Therefore, if you disable preempt mode, you must also apply the following settings to |
| each interface in the VRRP group. These conditions do not apply to VRRPv2. |
| • Enable |
| not enable |
| priority minus the delta mathematically equals 0. |
| • Set the priority delta to the same value as the priority for each interface on the |
| virtual router. This means that the priority minus the priority delta equals 0. |
Monitor interface | Select an interface that this interface will monitor and specify a priority delta. As you |
| select each interface and click Apply, it appears in the list above the Monitor interface |
| |
Enable | |
| to be 0. A VRRP router with an effective priority of 0 will not become the master even |
| if there are no other VRRP routers with higher priority for this virtual router. If auto- |
| deactivation is disabled (the default), the lowest allowable value for effective priority |
| is 1. |
|
|
Note
You cannot change the backup address from one interface to another interface while a platform is in the master state. To modify a virtual IP address, first cause a failover to the backup by reducing the priority or by pulling an interface, then delete the VRID on the interface and
To add a virtual router
1.Click VRRP under Configuration > High Availability in the tree view.
2.Click VRRP Legacy Configuration.
3.In the row for the interface you want to configure, select the Monitored Circuit radio button.
4.Click Apply.
The Create Virtual Router text box appears.
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