Avaya 8800 Troubleshooting Manual page 221

• VLACP
• RTM and FDB table statistics
Protocol KHI also provides statistics and historical data for protocol and neighbor state
transitions. It also allows for the establishment of reference timestamps and reference data to
track protocol health in the network. It supports VRFs.
Every protocol has a large number of parameters that can be tracked, but only the key
parameters are tracked by the KHI. Protocol information is collected and displayed on-demand,
creating minimal overhead. The information is not stored in any separate database (except
reference data), so that memory utilization is also minimal.
To ensure the validity of the KHI information, ensure that it is in sync with the output from the
protocol show commands, and verify that the timestamps are relevant.
To configure protocol KHI, use the following procedure.
Prerequisites
• Log on to Global Configuration mode.
Procedure steps
1. To enable protocol KHI, enable the KHI feature globally by entering:
2. To display the protocol KHI information, enter:
3. To clear the protocol KHI statistics, enter:
Troubleshooting
[no] khi enable
show khi protocol-stats [history] [vrf <vrfName>]
Important:
When you display IST/SMLT information, the information (especially the SMLT
table) is computed on demand. Carefully consider the frequency of issuing the
show khi protocol-stats when the setup is a large IST/SMLT setup. Avaya
recommends issuing the command when the network has stabilized.
clear khi protocol
Use the clear command when the network is stable, to provide a good reference
point for the number of routes and neighbors
Collecting Key Health Indicator (KHI) information
July 2013 221