Chapter 21: RMON Configuration Guide
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DIGITAL GIGAswitch/Router User Reference Manual
Lite RMON Groups
This section describes the RMON groups that are enabled when you specify the Lite
support level. The Lite RMON groups are shown in the table below.
Standard RMON Groups
This section describes the RMON groups that are enabled when you specify the Standard
support level. The Standard RMON groups are shown in the table below.
Professional RMON Groups
The Professional RMON groups correspond to the RMON 2 groups defined in RFC 2021.
While RMON 1 groups allow for the monitoring of packets at the MAC layer, RMON 2
groups focus on monitoring traffic at the network and application layers.
Table 6. Lite RMON Groups
Group
Function
EtherStats
Records Ethernet statistics (for example, packets dropped,
packets sent, etc.) for specified ports.
Event
Controls event generation and the resulting action (writing a
log entry or sending an SNMP trap to the network
management station).
Alarm
Generates an event when specified alarm conditions are met.
History
Records statistical samples for specified ports.
Table 7. Standard RMON Groups
Group
Function
Host
Records statistics about the hosts discovered on the network.
Host Top N
Gathers the top n hosts, based on a specified rate-based
statistic. This group requires the hosts group.
Matrix
Records statistics for source and destination address pairs.
Filter
Specifies the type of packets to be matched and how and
where the filtered packets should flow (the channel).
Packet Capture
Specifies the capture of filtered packets for a particular
channel.
