Cisco Catalyst 4500 Series, Руководство по настройке программного обеспечения

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Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Chapter 69 Configuring Enhanced Object Tracking
Configuring Enhanced Object Tracking Features
Configuring Other Tracking Characteristics
You can also use the enhanced object tracking for tracking other characteristics.
•
You can track the reachability of an IP route by using the track ip route reachability global
configuration command .
• You can use the track ip route metric threshold global configuration command to determine if a
route is above or below threshold.
•
You can use the track resolution global configuration command to change the metric resolution
default values for routing protocols.
•
You can use the track timer tracking configuration command to configure the tracking process to
periodically poll tracked objects.
Use the show track privileged EXEC command to verify enhanced object tracking configuration.
Configuring IP SLAs Object Tracking
Cisco IOS IP Service Level Agreements (IP SLAs) is a network performance measurement and
diagnostics tool that uses active monitoring by generating traffic to measure network performance. Cisco
IP SLAs operations collects real-time metrics that you can use for network troubleshooting, design, and
analysis.
For more information about Cisco IP SLAs on the switch, see Chapter 78, “Configuring Cisco IOS IP
SLA Operations.” For IP SLAs command information see the Cisco IOS IP SLAs Command Reference,
Release 12.4T.
Object tracking of IP SLAs operations allows clients to track the output from IP SLAs objects and use
this information to trigger an action. Every IP SLAs operation maintains an SNMP operation return-code
value, such as
OK or OverThreshold , that can be interpreted by the tracking process. You can track two
Step 6
standby [
group-number
] track
object-number [ decrement
[
priority-decrement
]]
Configures HSRP to track an object and change the hot standby priority
based on the state of the object.
•
(Optional) group-number —Enter the group number to which the
tracking applies.
• object-number —Enter a number representing the object to be tracked.
The range is from 1 to 500; the default is 1.
•
(Optional) decrement priority-decrement —Specify the amount by
which the hot standby priority for the router is decremented (or
incremented) when the tracked object goes down (or comes back up).
The range is from 1 to 255; the default is 10.
Step 7
end
Returns to privileged EXEC mode.
Step 8
show standby
Verifies the standby router IP address and tracking states.
Step 9
copy running-config
startup-config
(Optional) Saves your entries in the configuration file.
Command Purpose