Supervisor Module Redundancy Statistics
Document No. 650-100-700, Issue 1
has earlier or later software.) To synchronize the two supervisor modules,
the active supervisor performs TFTP uploads to the standby supervisor. This
process takes place over an internal subnet and VLAN.
Once the software images and boot code on the standby and active
supervisors are synchronized, the active supervisor then performs a TFTP
upload of the startup.txt and the.int files.
Once this step is done, and the standby supervisor is reset, and the
synchronization is complete.
The active supervisor periodically sends a health report message to the
standby (redundant) supervisor. If the standby supervisor is enabled, it
responds with a health report reply.
Health report statistics are displayed on the CPU Redundancy Status Web
page. To view this Web page, expand the System > Configuration > CPU
Redundancy folders, and then click Status/Statistics. The following
statistics are displayed:
Health Reports Sent - Displays the number of health reports sent.
Health Reports Received - Displays the number of health reports
received.
Health Reports Timeouts - Displays the number of health reports
timeouts.
Health Reports Missed - Displays the number of health reports
missed.
Click REFRESH to reset all CPU redundancy statistics.
Configuring Redundancy Options
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