3Com 3C17300-US - SuperStack 3 Switch 4226T, Implementation Manual

Page: 61 / 122

RMON and the Switch 61
The Default Alarm
Settings
A new or initialized Switch has the following alarm(s) defined for each
port:
■
Broadcast bandwidth used
■
Percentage of errors over one minute
The default values and actions for each of these alarms are given in
Table 6 .
Notify and filter port Send Trap. Block broadcast and multicast
traffic on the port. Recovers with the
unfilter
port event.
Notify and disable port Send Trap. Turn port off.
Notify and enable port Send Trap. Turn port on.
Disable port Turn port off.
Enable port Turn port on.
Notify and unfilter port Send Trap. Stop blocking broadcast and
multicast traffic on the port.
System started
Software Upgrade report
Table 5 Alarm Events
Event Action
Table 6 Values for the default alarm(s)
Statistic High Threshold
Low Threshold
Recovery
Period
Broadcast
bandwidth used Value: 20%
Action: Notify and filter
Value: 10%
Action: Notify and unfilter
30 secs
Number of errors
over 10 seconds Value: 8 errors per 10
seconds
Action: Smart
auto-sensing will reduce
port speed
Value: 8 errors per 10
seconds
Action: None. (Speed can
only be increased upon
link loss, for example by
removing and replacing
the cable, or by triggering
the port to perform
another auto-negotiation
on that link.)
10 secs
dua1730-0bAA03.book Page 61 Monday, July 11, 2005 11:14 AM