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12-5
Counters
Expert Counters
12
Expert Counters
Expert counters count the number of Export events discovered by Surveyor’s expert
logic. Some counters are used in the Expert Alarm editor and some display in the
Overview Table of Expert View. See the Expert Systems chapter for more
information on expert counters.
The following table contains an alphabetical list, with descriptions, of Surveyor’s
expert counters.
.
Table 12-4. Alphabetical List and Descriptions of Expert Counters
Counter Type Description
Bad Frames The number of bad frames including CRC frames, jabber frames,
runt frames, oversize frames, and fragment frames.
Broadcast/Multicast Storms The number of Broadcast/Multicast Storm events. The event
occurs when a change in the number of total Broadcast/Multicast
packets per second exceeds a threshold.
Duplicate Network Address The number of duplicate network addresses over a period of time
per segment.
Excessive ARP The number of Excessive ARP events. The event occurs when a
change in the number of ARP requests per second exceeds a
threshold.
Excessive BOOTP The number of Excessive BOOTP events. The event occurs when
a change in the number of BOOTP/DHCP requests per second
exceeds a threshold over a period of time per segment.
Excessive Broadcasts The number of broadcast messages over a period of time per seg-
ment.
Excessive Collisions The absolute number of collisions over a period of time per seg-
ment.
Excessive Mailslot Broad-
casts
The number of mailslot broadcast events over a period of time per
segment.
Excessive Multicasts The number of multicast messages over a period of time per seg-
ment.
HSRP Errors The number of HSRP Coup and Resign messages over a period of
time per segment.
ICMP All Errors The number of ICMP symptoms. This includes all destination
unreachable errors, redirect errors, source quench, time-out errors,
and parameter problems.