Utility Commands
432
M4100 Series ProSAFE Managed Switches
RMON Stats and History Commands
The various MIBs within RFC 2819, 3273, and 3434 are arranged into groups. The managed
switch supports some of the groups in these RFCs but not all. The managed switch complies
with MODULE-COMPLIANCE and OBJECT-GROUP definitions within these RFCs for
supporting individual groups.
The managed switch supports the following groups:
• RFC 2819
- Group 1 - Statistics
Contains cumulative traffic and error statistics.
- Group 2 - History
Generates reports from periodic traffic sampling that are useful for analyzing trends.
This group includes History Control Group and Ethernet History Group.
- Group 3 - Alarm
Enables the definition and setting of thresholds for various counters. Thresholds can
be passed in either a rising or falling direction on existing MIB objects, primarily those
in the Statistics group. An alarm is triggered when a threshold is crossed and the
alarm is passed to the Event group. The Alarm requires the Event Group.
- Group 9 - Event
Controls the actions that are taken when an event occurs. RMON events occur when:
• A threshold (alarm) is exceeded
• There is a match on certain filters.
• RFC 3273
- Group 1 - Media Independent Group
Contains media-independent statistics that provide information for full and/or
half-duplex links as well as high capacity links.
- Group 2 - Ether Stats High Capacity Group
Contains the High Capacity RMON extensions to RMON-1 etherStatsTable (RFC
2819 Group 1).
- Group 3 - Ether History High Capacity Group
Contains the High Capacity RMON extensions to RMON-1 etherHistoryTable (RFC
2819 Group 2).
• RFC 3434
- Group 1 - High Capacity Alarm Control Group
Controls the configuration of alarms for high capacity MIB object instances.
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