Configuring Global Khi - Avaya 8800 Troubleshooting Manual
Ethernet routing switch
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Also See for 8800:
- Planning and engineering, network design (327 pages) ,
- Planning and engineering (306 pages) ,
- Configuration manual (226 pages)
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• Forwarding health indication
• IP interface configuration and operation information
• Protocol information
• Management information: Log, TCP, UDP and users
The switch stores the information locally and displays the information as requested by the user
using show commands.
KHI supports multiple KHI types that track specific switch areas or subsystems. Each KHI type
keeps track of the last ten events for the specific subsystem (for example, protocol going down
or loss of connection) in a rolling history. KHI creates a reference point using a time stamp,
and then tracks events from that point forward. Clear commands are provided to reestablish
fresh timelines.
Generally, the KHI information allows you to track the source of a problem to a particular
subsystem. Once this determination is made, you can use specific statistics for that subsystem
(for example, OSPF-specific statistics and show commands) to further locate the source of the
issue.
To configure KHI, you can enable or disable the feature globally. In addition, you can enable
or disable some of the KHI types individually. This additional control is provided for KHI types
that have a greater impact on loaded systems.
The main configuration actions for KHI are:
• Enabling or disabling KHI (at global or feature-level)
• Displaying statistics
• Clearing statistics/history to establish a new timeline
Currently, EDM does not support KHI configuration.
The following sections describe the various KHI options.
Configuring global KHI
Use the following procedure to configure KHI at the global level.
You can enable or disable KHI globally. In addition, the Avaya Ethernet Routing Switch
8800/8600 provides a global boot delay parameter for KHI.
If the system begins collecting statistics immediately at boot-up, the transitions that the system
initially experiences do not provide an appropriate baseline of normal operations against which
to compare. To provide a valid baseline, you can configure the boot-delay parameter to
specify how long the system can take to stabilize before KHI begins collecting statistics.
Procedure steps
1. To enable KHI globally, enter:
Troubleshooting
Collecting Key Health Indicator (KHI) information
July 2013
129
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