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6
Remote Monitoring Commands
Remote Monitoring allows a remote device to collect information or respond to
specified events on an independent basis. This switch is an RMON-capable device
which can independently perform a wide range of tasks, significantly reducing
network management traffic. It can continuously run diagnostics and log
information on network performance. If an event is triggered, it can automatically
notify the network administrator of a failure and provide historical information
about the event. If it cannot connect to the management agent, it will continue to
perform any specified tasks and pass data back to the management station the
next time it is contacted.
This switch supports mini-RMON, which consists of the Statistics, History, Event and
Alarm groups. When RMON is enabled, the system gradually builds up information
about its physical interfaces, storing this information in the relevant RMON
database group. A management agent then periodically communicates with the
switch using the SNMP protocol. However, if the switch encounters a critical event,
it can automatically send a trap message to the management agent which can then
respond to the event if so configured.
Table 34: RMON Commands
Command Function Mode
rmon alarm Sets threshold bounds for a monitored variable GC
rmon event Creates a response event for an alarm GC
rmon collection history Periodically samples statistics IC
rmon collection rmon1 Enables statistics collection IC
show rmon alarms Shows the settings for all configured alarms PE
show rmon events Shows the settings for all configured events PE
show rmon history Shows the sampling parameters for each entry PE
show rmon statistics Shows the collected statistics PE