Users Guide

Table Of Contents
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 display information about tracked objects, including configuration, current state, and
clients which track the object.
track interface ip routing configure object tracking on the routing status of an IPv4 Layer 3
interface.
track ip host reachability
Configure object tracking on the reachability of an IPv4 host.
Syntax
track object-id ip host host-ip-address/prefix-len reachability [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) You can configure a VPN routing and forwarding (VRF) instance to
specify the virtual routing table to which the tracked route belongs.
Defaults None
Command Modes CONFIGURATION
Command
History
This guide is platform-specific. For command information about other platforms, see the relevant Dell
Networking OS Command Line Reference Guide.
Version Description
9.8(2.0) Introduced on the S3100 series.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S4820T, S4810, S6000, S5000, Z9000, Z9500, IOA, and MXL.
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.
Defaults None
Command Modes CONFIGURATION
Command
History
This guide is platform-specific. For command information about other platforms, see the relevant Dell
Networking OS Command Line Reference Guide.
920 Object Tracking