- Bulk Content Downloader (BCDL) Commands
- Call Home Commands
- Boot Commands
- CDP Commands
- Clock Commands
- Configuration Management Commands
- Distributed Route Processor Commands
- File System Commands
- Hardware Redundancy and Node Administration Commands
- Manageability Commands
- NTP Commands
- Object Tracking Commands
- Process and Memory Management Commands
- Secure Domain Router Commands
- SNMP Server Commands
- Software Entitlement Commands
- Software Package Management Commands
- Terminal Services Commands
- Utility Commands
- Index
Object Tracking
Commands
This chapter describes the Cisco IOS XR software commands used to track objects. For information about how to use these commands to configure object tracking, see Cisco IOS XR System Management Configuration Guide for the Cisco CRS Router.
- delay
- interface (track)
- line-protocol track
- object
- route ipv4
- show track
- track
- threshold percentage
- threshold weight
- type line-protocol state
- type list boolean
- type list threshold percentage
- type list threshold weight
- type route reachability
- type rtr
- vrf (track)
delay
To configure the delay, in seconds, before the track or interface state should be polled for a change in status, use the delay command in track configuration mode. To delete the configuration of delay tracking, use the no form of this command.
delay { up | down } seconds
no delay { up | down } [seconds]
Syntax Description
delay up seconds |
Sets delay of from 1 to 180 seconds before communication of up status of the tracked object or list of objects. |
delay down seconds |
Sets delay of from 1 to 180 seconds before communication of down status of the tracked object or list of objects. |
Command Default
No default behavior or values
Command Modes
Track configuration
Command History
Release |
Modification |
---|---|
Release 4.2.1 |
This command was introduced. |
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.
The delay command can be used in conjunction with all track types:
When using the no form of the command, the use of the seconds argument is optional.
Task ID
Task ID |
Operations |
---|---|
sysmgr |
read, write |
Examples
The following example shows that the tracking process is configured to notify the network administrator that the interface should be polled for its up state in five-second intervals:
RP/0/RP0/CPU0:router# configuration RP/0/RP0/CPU0:router(config)# track name1 RP/0/RP0/CPU0:router(config-track)# delay up 5
Related Commands
Command | Description |
Initiates or identifies a tracking process used to track the status of an object or list of objects. |
interface (track)
To select an interface object type for tracking purposes, use the interface command in interface configuration mode. To delete the configuration of a track based on a particular interface object type, use the no form of this command.
interface type interface-path-id
no interface type interface-path-id
Syntax Description
type |
(Optional) Interface type. For more information, use the question mark (?) online help function. |
||
interface-path-id |
(Optional) Physical interface or virtual interface.
For more information about the syntax for the router, use the question mark (?) online help function. |
Command Default
No default behavior or values
Command Modes
Interface configuration
Command History
Release |
Modification |
---|---|
Release 4.2.1 |
This command was introduced. |
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.
To access the interface command, you must be in line protocol tracking configuration submode.
For information about interface keywords, see Cisco IOS XR Interface and Hardware Component Command Reference for the Cisco CRS Router.
Task ID
Task ID |
Operations |
---|---|
sysmgr |
read, write |
Examples
The following example shows the interface command in the context of object tracking:
RP/0/RP0/CPU0:router# configure RP/0/RP0/CPU0:router(config)# track track12 RP/0/RP0/CPU0:router(config-track)# type line-protocol state RP/0/RP0/CPU0:router(config-track-line-prot)# interface atm 0/2/0/0.1
Related Commands
Command | Description |
Initiates or identifies a tracking process used to track the status of an object or list of objects. | |
Configures tracking of the line protocol state of an interface object. | |
Configures a tracked list of objects based on a Boolean calculation. | |
Configures the routing process to notify the tracking process when the route state changes due to a routing update. |
line-protocol track
To associate a specific track with an IPsec or GRE interface object, use the line-protocol track command in interface configuration mode. To delete the association between the track and the IPsec or GRE interface object, use the no form of this command.
line-protocol track object-name
no line-protocol track object-name
Syntax Description
object-name |
Name of object being tracked. |
Command Default
No default behavior or values
Command Modes
Interface configuration
Command History
Release |
Modification |
---|---|
Release 4.2.1 |
This command was introduced. |
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.
Task ID
Task ID |
Operations |
---|---|
sysmgr |
read, write |
Examples
The following example shows how the line-protocol track command is used:
RP/0/RP0/CPU0:router# configure RP/0/RP0/CPU0:router(config)# track PREFIX1 RP/0/RP0/CPU0:router(config-track)# type route reachability RP/0/RP0/CPU0:router(config-track-route)# route ipv4 7.0.0.0/24 RP/0/RP0/CPU0:router(config-track-route)# interface service-ipsec 1 RP/0/RP0/CPU0:router(config-if)# vrf 1 RP/0/RP0/CPU0:router(config-if)# ipv4 address 70.0.0.2 255.25.255.0 RP/0/RP0/CPU0:router(config-if)# line-protocol track PREFIX1
Related Commands
Command | Description |
Selects an interface object type for tracking purposes. | |
Initiates or identifies a tracking process used to track the status of an object or list of objects. |
object
To configure an object for tracking, use the object command in list tracking configuration mode. To delete a previously configured track based on an object, use the no form of this command.
object object-name [not]
no object object-name
Syntax Description
object-name |
Name of the object to be tracked. |
not |
(Optional) Deletes a preivously configured track based on whether an interface object is not up or down. |
Command Default
No default behavior or values
Command Modes
List tracking configuration
Command History
Release |
Modification |
---|---|
Release 4.2.1 |
This command was introduced. |
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.
To delete a previously configured track based on whether an interface object is not up or down, use the not keyword together with the object command in a list of tracked objects based on a Boolean expression.
The object command can be used only for a track based on a Boolean expression.
Task ID
Task ID |
Operations |
---|---|
sysmgr |
read, write |
Examples
The following example shows how to configure an object, using the optional not keyword, in a tracked list of objects based on a Boolean calculation:
RP/0/RP0/CPU0:router# configure RP/0/RP0/CPU0:router(config)# track connection100 RP/0/RP0/CPU0:router(config-track-list)# type list boolean and RP/0/RP0/CPU0:router(config-track-list)# object obj3 no
Related Commands
Command | Description |
Initiates or identifies a tracking process used to track the status of an object or list of objects. | |
Configures a tracked list of objects based on a Boolean calculation. |
route ipv4
To configure that an IP prefix and subnet mask should be used as the basis to track route reachability, use the route ipv4 command in route tracking configuration mode. To remove this configuration, use the no form of the command.
route ipv4 IP prefix and subnet mask
no route ipv4
Syntax Description
IP prefix and subnet mask |
Network and subnet mask; for example, 10.56.8.10/16. |
Command Default
No default behavior or values
Command Modes
Route tracking configuration
Command History
Release |
Modification |
---|---|
Release 4.2.1 |
This command was introduced. |
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.
The IP prefix and subnet mask arguments are optional for the no form of this command.
Task ID
Task ID |
Operations |
---|---|
sysmgr |
read, write |
Examples
The following example displays use of the route ipv4 command:
RP/0/RP0/CPU0:router# configure RP/0/RP0/CPU0:router(config)# track track22 RP/0/RP0/CPU0:router(config-track)# type route reachability RP/0/RP0/CPU0:router(config-track-route)# route ipv4 10.56.8.10/16
Related Commands
Command | Description |
Configures the routing process to notify the tracking process when the route state changes due to a routing update. | |
Configures a VRF table to be used as the basis to track route reachability. |
show track
To display information about objects that were tracked and to specify the format of the report, use the show track command in EXEC mode.
show track [ track-name | interface | ipv4 route ] [brief]
Syntax Description
track-name |
(Optional) Name of track used for tracking objects; for example, track1. |
brief |
(Optional) Displays a single line of information related to the preceding argument or keyword. |
interface |
(Optional) Displays tracked interface objects. |
ipv4 route |
(Optional) Displays the tracked IPv4 route objects. |
Command Default
No default behavior or values
Command Modes
EXEC
Command History
Release |
Modification |
---|---|
Release 4.2.1 |
This command was introduced. |
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.
Use the show track command to display information about objects that are tracked by the tracking process. When no arguments or keywords are specified, information for all objects is displayed.
Task ID
Task ID |
Operations |
---|---|
sysmgr |
read |
Examples
The following sample output illustrates use of the show track command:
RP/0/RP0/CPU0:router# show track Track_name3
Track_name3
List boolean and is DOWN
1 change, last change 10:26:20 SJC Sun Aug 05 2007
object name2 not UP
object name1 UP
Related Commands
Command | Description |
Initiates or identifies a tracking process used to track the status of an object or list of objects. |
track
To initiate or identify a tracking process used to track the status of an object or list of objects, use the track command in global configuration mode. To remove the tracking process, use the no form of this command.
track track-name
no track track-name
Syntax Description
track track-name |
Name of track used for tracking objects; for example, track1. |
Command Default
No default behavior or values
Command Modes
Global configuration
Command History
Release |
Modification |
---|---|
Release 4.2.1 |
This command was introduced. |
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.
When you use the track command, you enter track configuration mode.
Task ID
Task ID |
Operations |
---|---|
sysmgr |
read, write |
Examples
This example shows that the tracking process is configured to notify the network administrator about the up state of the tracked object list every five seconds:
RP/0/RP0/CPU0:router# configure RP/0/RP0/CPU0:router(config)# track LIST2 RP/0/RP0/CPU0:router# track LIST2 delay up 5
Related Commands
Command | Description |
Configures the delay, in seconds, before the track or interface state should be polled for a change in status. | |
Displays information about objects that were tracked and specifies the format of the report. | |
Configures tracking of the line protocol state of an interface object. | |
Configures a tracked list of objects based on a Boolean calculation. | |
Configures the routing process to notify the tracking process when the route state changes due to a routing update. |
threshold percentage
To configure tracking threshold values based on percentages, use the threshold percentage command in track list threshold configuration mode. To remove a threshold percentage, use the no form of the command.
threshold percentage up weight [ down weight ]
Syntax Description
up |
Maximum threshold value for the specific range beyond which a track is set to the DOWN state. |
weight |
Percentage limit to define the maximum threshold value. |
down |
Minimum threshold value for the specific range below which a track is set to the DOWN state. |
weight |
Percentage limit to define the minimum threshold value. |
Command Default
None
Command Modes
Tack list threshold configuration
Command History
Release | Modification |
---|---|
Release 4.2.1 |
This command was introduced. |
Usage Guidelines
Use the threshold percentage command to specify the tracking threshold value used to determine the state of a percentage threshold-weighted list.
Task ID
Task ID | Operation |
---|---|
sysmgr |
read, write |
Examples
This example shows how to specify the weight thresholds for a threshold-weighted list:
RP/0/RP0/CPU0:router(config)# track 4 RP/0/RP0/CPU0:router(config-track)# type list threshold weight RP/0/RP0/CPU0:router(config-track-list-threshold)# threshold percentage up 50 down 33
Related Commands
Command | Description |
Configures a tracked list of objects based on a percentage threshold. |
threshold weight
To configure tracking threshold values based on weights, use the threshold weight command in track list threshold configuration mode. To remove a threshold weight, use the no form of the command.
threshold weight up weight [ down weight ]
Syntax Description
up |
Maximum threshold value for the specific range beyond which a track is set to the DOWN state. |
weight |
Percentage limit to define the maximum threshold value. |
down |
Minimum threshold value for the specific range below which a track is set to the DOWN state. |
weight |
Percentage limit to define the minimum threshold value. |
Command Default
None
Command Modes
Tack list threshold configuration
Command History
Release | Modification |
---|---|
Release 4.2.1 |
This command was introduced. |
Usage Guidelines
Use the threshold weight command to specify the threshold value used to determine the state of a threshold-weighted list.
Task ID
Task ID | Operation |
---|---|
sysmgr |
read, write |
Examples
This example shows how to specify the weight thresholds for a threshold-weighted list:
RP/0/RP0/CPU0:router(config)# track 4 RP/0/RP0/CPU0:router(config-track)# type list threshold weight RP/0/RP0/CPU0:router(config-track-list-threshold)# threshold weight up 18 down 5
Related Commands
Command | Description |
Configures a tracked list of objects based on a weight threshold. |
type line-protocol state
To configure tracking of the line protocol state of an interface object, use the type line-protocol command in track configuration mode. To delete the configuration of line-protocol tracking, use the no form of this command.
type line-protocol state
no type line-protocol state
Command Default
No default behavior or values
Command Modes
Track configuration
Command History
Release |
Modification |
---|---|
Release 4.2.1 |
This command was introduced. |
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.
The type line-protocol state command can be used in conjunction with the delay command to configure the delay, in seconds, before the track or interface state should be polled for a change in its status.
The type line-protocol state command enters line-protocol tracking configuration mode.
Task ID
Task ID |
Operations |
---|---|
sysmgr |
read, write |
Examples
This example shows how to use the type line-protocol state command:
RP/0/RP0/CPU0:router# configure RP/0/RP0/CPU0:router(config)# track track12 RP/0/RP0/CPU0:router(config-track)# type line-protocol state
Related Commands
Command | Description |
Configures the delay, in seconds, before the track or interface state should be polled for a change in status. | |
Selects an interface object type for tracking purposes. | |
Displays information about objects that were tracked and specifies the format of the report. | |
Initiates or identifies a tracking process used to track the status of an object or list of objects. |
type list boolean
To configure a tracked list of objects based on a Boolean calculation, use the type list boolean command in track configuration mode. To remove an object tracking list based on a Boolean calculation, use the no form of the command.
type list boolean { and | or }
no type list boolean { and | or }
Syntax Description
and |
Specifies that the list is up if all objects are up, or down if one or more objects are down. For example, when tracking two interfaces, up means that both interfaces are up, and down means that either interface is down. |
or |
Specifies that the list is up if at least one object is up. For example, when tracking two interfaces, up means that either interface is up, and down means that both interfaces are down. |
Command Default
No default behavior or values
Command Modes
Track configuration
Command History
Release |
Modification |
---|---|
Release 4.2.1 |
This command was introduced. |
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.
The type list boolean command enters the list tracking configuration mode, and can be used in conjunction with the delay command to configure the delay, in seconds, before the track or interface state should be polled for a change in its status.
To remove a track based on whether an interface object is not up or down, use the not keyword together with the object command as shown in the example that follows.
Task ID
Task ID |
Operations |
---|---|
sysmgr |
read, write |
Examples
This example shows how to use the type list boolean command in creating a list of objects to be tracked:
RP/0/RP0/CPU0:router# configure RP/0/RP0/CPU0:router(config)# track LIST2 RP/0/RP0/CPU0:router(config-track)# type list boolean and RP/0/RP0/CPU0:router(config-track-list)# object IPSec1 not RP/0/RP0/CPU0:router(config-track-list)# object IPSec2 RP/0/RP0/CPU0:router(config-track-list)# object PREFIX1 RP/0/RP0/CPU0:router(config-track-list)# exit RP/0/RP0/CPU0:router(config)# track IPSec1 RP/0/RP0/CPU0:router(config-track)# type line-protocol state RP/0/RP0/CPU0:router(config-track-line-prot)# interface tengige 0/0/0/3 RP/0/RP0/CPU0:router(config-track-line-prot)# exit RP/0/RP0/CPU0:router(config-track)# track IPSec2 RP/0/RP0/CPU0:router(config-track)# type line-protocol state RP/0/RP0/CPU0:router(config-track-line-prot)# interface ATM0/2/0.1 RP/0/RP0/CPU0:router(config-track-line-prot)# exit RP/0/RP0/CPU0:router(config)# track PREFIX1 RP/0/RP0/CPU0:router(config-track)# type route reachability RP/0/RP0/CPU0:router(config-track-route)# route ipv4 7.0.0.0/24 RP/0/RP0/CPU0:router(config-track-route)# exit RP/0/RP0/CPU0:router(config-track)# interface service-ipsec 1 RP/0/RP0/CPU0:router(config-if)# vrf 1 RP/0/RP0/CPU0:router(config-if)# ipv4 address 70.0.0.2 255.255.255.0 RP/0/RP0/CPU0:router(config-if)# profile vrf_1_ipsec RP/0/RP0/CPU0:router(config-if)# line-protocol track LIST2 RP/0/RP0/CPU0:router(config-if)# tunnel source 80.0.0.2 RP/0/RP0/CPU0:router(config-if)# tunnel destination 80.0.0.1 RP/0/RP0/CPU0:router(config-if)# service-location preferred-active 0/2/0 RP/0/RP0/CPU0:router(config-if)# commit
Related Commands
Command | Description |
Configures the delay, in seconds, before the track or interface state should be polled for a change in status. | |
Associates a specific track with an IPsec or GRE interface object. | |
Configures an object for tracking. | |
Displays information about objects that were tracked and specifies the format of the report. | |
Initiates or identifies a tracking process used to track the status of an object or list of objects. | |
Configures tracking of the line protocol state of an interface object. | |
Configures the routing process to notify the tracking process when the route state changes due to a routing update. |
type list threshold percentage
To configure a tracked list of objects based on a percentage threshold, use the type list threshold percentage command in track configuration mode. To remove an object tracking list based on a percentage threshold, use the no form of the command.
type list threshold percentage
Syntax Description
This command has no keywords or arguments.
Command Default
None
Command Modes
Track configuration
Command History
Release | Modification |
---|---|
Release 4.2.1 |
This command was introduced. |
Usage Guidelines
Use the threshold percentage command to specify the tracking threshold value used to determine the state of a percentage threshold-weighted list. A percentage threshold-weighted list is set to the UP state when the percentage of objects in the UP state is between UP threshold value to DOWN threshold value. A percentage threshold-weighted list is set to the DOWN state when the percentage of objects is out of the range in a configuration.
Use the object command to add tracked objects to the threshold-weighted list. A maximum of 200 track objects are allowed.
Task ID
Task ID | Operation |
---|---|
sysmgr |
read, write |
Examples
This example shows how to add objects to a percentage threshold-weighted list:
RP/0/RP0/CPU0:router(config)# track 4 RP/0/RP0/CPU0:router(config-track)# type list threshold percentage RP/0/RP0/CPU0:router(config-track-list-threshold)# object 1 RP/0/RP0/CPU0:router(config-track-list-threshold)# object 2 RP/0/RP0/CPU0:router(config-track-list-threshold)# object 3
Related Commands
Command | Description |
Configures an object for tracking. | |
Configures tracking threshold values based on percentages. |
type list threshold weight
To configure a tracked list of objects based on a weight threshold, use the type list threshold weight command in track configuration mode. To remove an object tracking list based on a weight threshold, use the no form of the command.
type list threshold weight
Syntax Description
This command has no keywords or arguments.
Command Default
None
Command Modes
Track configuration
Command History
Release | Modification |
---|---|
Release 4.2.1 |
This command was introduced. |
Usage Guidelines
Use the threshold weight command to specify the threshold value used to determine the state of a threshold-weighted list. When the cumulative sum of the weight of objects in the UP state is between UP threshold value to DOWN threshold value, the threshold-weighted list is set to the UP state. A threshold-weighted list is set to the DOWN state when the cumulative sum of the weight of objects in the UP state is out of the range in a configuration.
Use the object command to add tracked objects to the threshold-weighted list. A maximum of 200 track objects are allowed.
Task ID
Task ID | Operation |
---|---|
sysmgr |
read, write |
Examples
This example illustrates how to add objects to a threshold-weighted list:
RP/0/RP0/CPU0:router(config)# track t4 RP/0/RP0/CPU0:router(config-track)# type list threshold weight RP/0/RP0/CPU0:router(config-track-list-threshold)# object 1 RP/0/RP0/CPU0:router(config-track-list-threshold)# object 1 weight 10 RP/0/RP0/CPU0:router(config-track-list-threshold)# object 2 weight 5 RP/0/RP0/CPU0:router(config-track-list-threshold)# object 3 weight 3
Related Commands
Command | Description |
Configures an object for tracking. | |
Configures tracking threshold values based on weights. |
type route reachability
To configure the routing process to notify the tracking process when the route state changes due to a routing update, use the type route reachability command in track configuration mode. To remove a track based on route reachability, use the no form of this command.
type route reachability
no type route reachability
Syntax Description
This command has no keywords or arguments.
Command Default
No default behavior or values
Command Modes
Track configuration
Command History
Release |
Modification |
---|---|
Release 4.2.1 |
This command was introduced. |
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.
A tracked IP-route object is considered up and reachable when a routing-table entry exists for the route and the route is not inaccessible.
The type route reachability command can be used in conjunction with the delay command to configure the delay, in seconds, before the track or interface state should be polled for a change in its status.
The route reachability tracking process is based on either of the following, depending on your router type:
Task ID
Task ID |
Operations |
---|---|
sysmgr |
read, write |
Examples
This example shows how to track for route reachability:
RP/0/RP0/CPU0:router# configure RP/0/RP0/CPU0:router(config)# track track22 RP/0/RP0/CPU0:router(config-track)# type route reachability
Related Commands
Command | Description |
Configures the delay, in seconds, before the track or interface state should be polled for a change in status. | |
Displays information about objects that were tracked and specifies the format of the report. | |
Initiates or identifies a tracking process used to track the status of an object or list of objects. |
type rtr
To configure the router to track the return code of IP service level agreement (SLA) operations, use the type rtr command in track configuration mode. To remove a track based on IP SLA return code, use the no form of this command.
type rtr ipsla-no reachability
no type rtr
Syntax Description
ipsla-no |
IP SLA operation number. Values can range from 1 to 2048. |
reachability |
Tracks whether the route is reachable or not. |
Command Default
None
Command Modes
Track configuration
Command History
Release | Modification |
---|---|
Release 4.0.0 |
This command was introduced. |
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.
Use the type rtr command in conjunction with a configuration that uses:
Task ID
Task ID | Operation |
---|---|
sysmgr |
read, write |
Examples
This example shows how to configure IPSLA object tracking:
RP/0/RP0/CPU0:router# configure RP/0/RP0/CPU0:router(config)# track track22 RP/0/RP0/CPU0:router(config-track)# type rtr 1 reachability
vrf (track)
To configure a VRF table to be used as the basis to track route reachability, use the vrf command in route tracking configuration mode. To delete the configuration of a VRF table for the purpose of IP route tracking purposes, use the no form of the command.
vrf vrf-table-name
no vrf [vrf-table-name]
Syntax Description
vrf-table-name |
Network and subnet; for example, 10.56.8.10/16. |
Command Default
No default behavior or values
Command Modes
Route tracking configuration
Command History
Release |
Modification |
---|---|
Release 4.2.1 |
This command was introduced. |
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.
Task ID
Task ID |
Operations |
---|---|
sysmgr |
read, write |
Examples
The following example displays the use of the vrf command:
RP/0/RP0/CPU0:router# configure RP/0/RP0/CPU0:router(config)# track track22 RP/0/RP0/CPU0:router(config-track)# type route reachability RP/0/RP0/CPU0:router(config-track-route)# vrf vrf1
Related Commands
Command | Description |
Configures the delay, in seconds, before the track or interface state should be polled for a change in status. | |
Configures an IP prefix and subnet mask to be used as the basis to track route reachability. | |
Configures the routing process to notify the tracking process when the route state changes due to a routing update. |