HP 6125XLG R2306-HP 6125XLG Blade Switch High Availability Configuration Guide - Page 101

Associating the Track module with a detection module, Associating Track with NQA

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Tasks at a glance (Required.) Associating the Track module with an application module: • Associating Track with VRRP • Associating Track with static routing • Associating Track with PBR Remarks Use one of the methods. Associating the Track module with a detection module Associating Track with NQA NQA supports multiple test types to analyze network performance, services, and service quality. For example, an NQA test group can periodically detect whether a destination is reachable, or whether the TCP connection to a TCP server can be set up. An NQA test group functions as follows when it is associated with a track entry: • If the consecutive failures reach the specified threshold, the NQA module notifies the Track module that the tracked object has malfunctioned. Then the Track module sets the track entry to the Negative state. • If the specified threshold is not reached, the NQA module notifies the Track module that the tracked object is functioning properly. The Track module then sets the track entry to the Positive state. For more information about NQA, see Network Management and Monitoring Configuration Guide. To associate Track with NQA: Step 1. Enter system view. 2. Create a track entry, associate it with an NQA reaction entry, and specify the delay time for the Track module to notify the associated application module when the track entry status changes. Command system-view track track-entry-number nqa entry admin-name operation-tag reaction item-number [ delay { negative negative-time | positive positive-time } * ] Remarks N/A No track entry is created by default. If the specified NQA test group or the reaction entry in the track entry does not exist, the status of the track entry is NotReady. Associating Track with BFD BFD supports the control packet mode and echo packet mode. A track entry can only be associated with the echo-mode BFD session, and cannot be associated with the control-mode BFD session. For more information about BFD, see "Configuring BFD." The BFD functions as follows when it is associated with a track entry: • If the BFD detects that the link fails, it informs the track entry of the link failure. The Track module sets the track entry to the Negative state. 96

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96
Tasks at a glance
Remarks
(Required.)
Associating the Track module with an application module
:
•
Associating Track with VRRP
•
Associating Track with static routing
•
Associating Track with PBR
Use one of the methods.
Associating the Track module with a detection
module
Associating Track with NQA
NQA supports multiple test types to analyze network performance, services, and service quality. For
example, an NQA test group can periodically detect whether a destination is reachable, or whether the
TCP connection to a TCP server can be set up.
An NQA test group functions as follows when it is associated with a track entry:
•
If the consecutive failures reach the specified threshold, the NQA module notifies the Track module
that the tracked object has malfunctioned. Then the Track module sets the track entry to the
Negative state.
•
If the specified threshold is not reached, the NQA module notifies the Track module that the tracked
object is functioning properly. The Track module then sets the track entry to the Positive state.
For more information about NQA, see
Network Management and Monitoring Configuration Guide
.
To associate Track with NQA:
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Create a track entry,
associate it with an NQA
reaction entry, and specify the
delay time for the Track
module to notify the
associated application
module when the track entry
status changes.
track
track-entry-number
nqa entry
admin-name
operation-tag
reaction
item-number
[
delay
{
negative
negative-time
|
positive
positive-time
} * ]
No track entry is created by
default.
If the specified NQA test group or
the reaction entry in the track entry
does not exist, the status of the
track entry is NotReady.
Associating Track with BFD
BFD supports the control packet mode and echo packet mode. A track entry can only be associated with
the echo-mode BFD session, and cannot be associated with the control-mode BFD session. For more
information about BFD, see "
Configuring BFD
."
The BFD functions as follows when it is associated with a track entry:
•
If the BFD detects that the link fails, it informs the track entry of the link failure. The Track module sets
the track entry to the Negative state.