Users Guide

The tracking process uses a protocol-specic resolution value to convert the actual metric in the routing
table to a scaled metric in the range 0 to 255. You can congure the resolution value used to scale route
metrics for supported protocols with the track resolution ip route and track resolution
ipv6 route commands.
Related Commands
• track ip route metric threshold – congures object tracking on the threshold of an IPv4 route metric.
• track resolution ip route – congures the protocol-specic resolution value used to scale an IPv4 route
metric.
track interface ip routing
Congure object tracking on the routing status of an IPv4 Layer 3 interface.
Syntax
track object-id interface interface ip routing
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.
interface Enter one of the following values:
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet then the slot/port information.
• For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE then the
slot/port information.
•
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 routing state of an IPv4 Layer 2 interface:
• The status of the IPv4 interface is UP only if the Layer 2 status of the interface is UP and the interface
has a valid IP address.
• The Layer 3 status of an IPv4 interface goes DOWN when its Layer 2 status goes down (for a Layer 3
VLAN, all VLAN ports must be down) or the IP address is removed from the routing table.
Related Commands
• show track – displays information about tracked objects, including conguration, current state, and
clients which track the object.
• track interface line-protocol – congures object tracking on the line-protocol state of a Layer 2 interface.
1040
Object Tracking