38-17
Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide
OL-8915-03
Chapter 38 Configuring HSRP and Enhanced Object Tracking
Configuring Enhanced Object Tracking
Configuring HSRP Object Tracking
Beginning in privileged EXEC mode, follow these steps to configure a standby HSRP group to track an
object and change the HSRP priority based on the object state:
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
track object-number {interface
interface-id {line-protocol | ip
routing} | ip route
ip-address/prefix-length {metric
threshold | reachability} | list
{boolean {and | or}} | {threshold
{weight | percentage}}}
(Optional) Create a tracking list to track the configured state and enter
tracking configuration mode.
Note Although visible in the command-line help, the rtr keyword is not
supported.
• The object-number range is from 1 to 500.
• Enter interface interface-id to select an interface to track.
–
Enter line-protocol to track the interface line protocol state.
–
Enter ip routing to track the interface IP routing state.
• Enter ip route ip-address/prefix-length to track the state of an IP route.
–
Enter metric threshold to track the threshold metric. The default up
threshold is 254 and the default down threshold is 255.
–
Enter reachability to track if the route is reachable.
• Enter list to track objects grouped in a list. Configure the list as
described on the previous pages.
–
For boolean, see the “Boolean Expression” section on page 38-14
–
For threshold weight, see the “Weight Threshold” section on
page 38-15
–
For threshold percentage, see the “Percentage Threshold” section
on page 38-16
Note Repeat this step for each interface to be tracked.
Step 3
exit Return to global configuration mode.
Step 4
interface interface-id Enter interface configuration mode.
Step 5
standby [group-number] ip
[ip-address [secondary]]
Create (or enable) the HSRP group by using its number and virtual IP
address.
• (Optional) group-number—The group number on the interface for
which HSRP is being enabled. The range is 0 to 255; the default is 0. If
there is only one HSRP group, you do not need to enter a group number.
• (Optional on all but one interface) ip-address—The virtual IP address of
the hot standby router interface. You must enter the virtual IP address for
at least one of the interfaces; it can be learned on the other interfaces.
• (Optional) secondary—The IP address is a secondary hot standby router
interface. If this keyword is omitted, the configured address is the
primary IP address.
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