Reference Guide

1038 | Virtual Router Redundancy Protocol (VRRP)
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• 10-Gigabit Ethernet: Enter tengigabitethernet slot/port.
• Port channel: Enter
port-channel number, where valid port-channel numbers are:
• For the C-Series and S-Series, 1 to 128
• For the E-Series: 1 to 32 for EtherScale, 1 to 255 for TeraScale, and 1 to 512 for ExaScale
• SONET: Enter
sonet slot/port.
• VLAN: Enter
vlan vlan-id, where valid VLAN IDs are from 1 to 4094.
For a virtual group, you can also track the status of a configured object (
track object-id command) by
entering its object number.
Note that 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). However, no changes in the VRRP group’s priority will occur until the
tracked object is defined and determined to be down.
In addition, if you configure a VRRP group on an interface that belongs to a VRF instance and later
configure object tracking on an interface for the VRRP group, the tracked interface must belong to the
VRF instance.
To track an interface, use the following command in the VRRP mode:
The sum of all the costs for all tracked interfaces must be less than the configured priority of the VRRP
group.
Figure 54-388. Command Example: track
Task Command Syntax Command Mode
Monitor an interface and, optionally, set a value
to be subtracted from the interface’s VRRP
group priority.
track interface [priority-cost cost]
Cost Range: 1-254
Default: 10
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-gi-1/1)#vrrp-group 111
FTOS(conf-if-gi-1/1-vrid-111)#track gigabitethernet 1/2
FTOS(conf-if-gi-1/1-vrid-111)#