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644 | Virtual Router Redundancy Protocol (VRRP)
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You can configure a tracked object for a VRRP group (using the track object-id command in
INTERFACE-VRID mode) before you actually create the tracked object (using a
track object-id command
in CONFIGURATION mode) (Figure 38-15) and (Figure 38-16). However, no changes in the VRRP
group’s priority occur until the tracked object is defined and determined to be down.
To track an interface, use the following commands in VRRP mode:
The sum of all the costs for all tracked interfaces must be less than the configured priority of the VRRP
group.
Figure 38-15. track Command Example
Figure 38-16. track Command Example (VRID mode)
Task Command Syntax Command Mode
Monitor an interface and, optionally, set a value
to be subtracted from the interface’s VRRP
group priority.
Cost Range: 1-254
Default: 10
track interface [priority-cost cost]
INTERFACE-VRID
(Optional) Display the configuration and UP or
DOWN state of tracked objects, including the
client (VRRP group) that is tracking an object’s
state.
show track
EXEC
EXEC Privilege
(Optional) Display the configuration and UP or
DOWN state of tracked interfaces and objects
in VRRP groups, including the time since the
last change in an object’s state.
show vrrp
EXEC
EXEC Privilege
(Optional) Display the configuration of tracked
objects in VRRP groups on a specified
interface.
show running-config interface interface
EXEC
EXEC Privilege
FTOS(conf-if-te-1/1)#vrrp-group 111
FTOS(conf-if-te-1/1-vrid-111)#track tengigabitethernet 1/2
FTOS(conf-if-te-1/1-vrid-111)#
FTOS(conf-if-te-1/1-vrid-111)#show conf
!
vrrp-group 111
advertise-interval 10
authentication-type simple 7 387a7f2df5969da4
no preempt
priority 255
track Tengigabitethernet 1/2
virtual-address 10.10.10.1
virtual-address 10.10.10.2
virtual-address 10.10.10.3
virtual-address 10.10.10.10
FTOS(conf-if-te-1/1-vrid-111)#