Technical data

BLADE OS 5.0 Command Reference
302
Chapter 6: The Configuration Menu BMD00142, November 2009
prio <1-254>
Defines the election priority bias for this virtual router group. This can be any integer between
1 and 254. The default value is 100.
During the master router election process, the routing device with the highest virtual router
priority number wins. If there is a tie, the device with the highest IP interface address wins. If
this virtual routers IP address (addr) is the same as the one used by the IP interface, the
priority for this virtual router will automatically be set to 255 (highest).
When priority tracking is used (/cfg/l3/vrrp/track or
/cfg/l3/vrrp/vr #/track), this base priority value can be modified according to a
number of performance and operational criteria.
adver <1-255>
Defines the time interval between VRRP master advertisements. This can be any integer
between 1 and 255 seconds. The default is 1.
preem disable|enable
Enables or disables master preemption. When enabled, if the virtual router group is in backup
mode but has a higher priority than the current master, this virtual router will preempt the
lower priority master and assume control. Note that even when preem is disabled, this virtual
router will always preempt any other master if this switch is the owner (the IP interface
address and virtual router addr are the same). By default, this option is enabled.
fadver
Enables or disables Fast Advertisements. When enabled, the VRRP master advertisements
interval is calculated in units of centi-seconds, instead of seconds. For example, if adver is
set to 1 and fadver is enabled, master advertisements are sent every .01 second.
When you disable fast advertisement, the advertisement interval is set to the default value
of 1 second. To support Fast Advertisements, set the interval between 20-100 centi-seconds.
ena
Enables the virtual router group.
dis
Disables the virtual router group.
Table 180 Virtual Router Group Options
Command Syntax and Usage