Rmon Features Of The Stack - IBM 8271 Nways F12 User Manual

7-6 C 7: RMON
HAPTER
RMON Features of
the Stack
Table 7-1 details the RMON support provided by the stack.
RMON support supplied by the stack
Table 7-1
RMON Group Support supplied by the stack
Statistics A new or initialized stack has one Statistics session per port.
History A new or initialized stack has two History sessions per port.
These sessions provide the data for the unit and port graphs of
the web interface:
30 second intervals, 10 historical samples stored
30 minute intervals, 10 historical samples stored
Alarms Although up to 200 alarms can be defined for the stack, a new
or initialized stack has two alarms defined for each port:
Broadcast bandwidth used
Percentage of errors over one minute
You can modify these alarms using an RMON management
application, but you cannot create or delete them.
For more information about the alarms setup on the stack, see
"About Alarm Actions"
Alarm Settings"
Hosts Although Hosts is supported by the stack, there are no Hosts
sessions defined on a new or initialized stack.
Hosts Top N Although Hosts Top N is supported by the stack, there are no
Hosts Top N sessions defined on a new or initialized stack.
Matrix Although Matrix is supported by the stack, there are no Matrix
sessions defined on a new or initialized stack.
Filter The Filter group is not presently supported by the stack.
Capture The Capture group is not presently supported by the stack.
Events A new or initialized stack has events defined for use with the
default alarm system, see
on page 7-8 for more information.
When using the RMON features of the stack, you should note the
following:
After the default sessions are created, they have no special status.
You can delete or change them as required.
The stack can forward a very large volume of packets per second.
The Statistics RMON group is able to monitor every packet, but the
other groups sample a maximum of 200,000 packets a second.
on page 7-7 and
on page 7-8.
"About Default Alarm Settings"
"About Default