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• For a Loopback interface, enter the keyword loopback
then a number from 0 to 16383.
• For a port channel interface, enter the keywords port-
channel then a number.
• For a VLAN interface, enter the keyword vlan then a
number from 1 to 4094.
Defaults none
Command
Modes
CONFIGURATION
Command
History
Version Description
9.7(0.0) Introduced on the S6000-ON.
8.3.12.0 Introduced on the S4810.
8.4.1.0 Introduced.
Usage
Information
Use this command to create an object that tracks the line-protocol state of a Layer
2 interface by monitoring its operational status (UP or DOWN).
When the link-level status goes down, the tracked object status is considered to be
DOWN; if the link-level status is up, the tracked object status is considered to be
UP.
Related
Commands
• show track – displays information about tracked objects, including
configuration, current state, and clients which track the object.
• track interface ip routing – configures object tracking on the routing status of
an IPv4 Layer 3 interface.
track ip route metric threshold
Configure object tracking on the threshold of an IPv4 route metric.
Syntax
track object-id ip route ip-address/prefix-len metric threshold
[vrf vrf-name]
To return to the default setting, use the no track object-id command.
Parameters
object-id Enter the ID number of the tracked object. The range is 1 to
500.
ip-address/
prefix-len
Enter an IPv4 address in dotted decimal format. The valid
IPv4 prefix lengths are from /0 to /32.
vrf vrf-name (Optional) E-Series only: You can configure a VPN routing
and forwarding (VRF) instance to specify the virtual routing
table to which the tracked route belongs.
Object Tracking
1249