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User’s Guide
ICMP All Errors
Counter
ICMP All Errors is a counter of all ICMP symptoms. A count of all ICMP
symptoms displays in the
Overview counters of Expert View. This counter can also
be set in Expert Alarms to set a threshold for all ICMP errors.
The following types of ICMP errors are counted:
•
Destination Unreachable
Network Unreachable, Host Unreachable, Protocol Unreachable, Port Unreach-
able, Fragmentation Needed [D/F Set], Source Route Failed, Destination Net-
work Unknown, Destination Host Unknown, Destination Network Access
Denied, Destination Host Access Denied, Network Unreachable for TOS, Host
Unreachable for TOS, Destination Unreachable (catches all other Destination
Unreachable Errors)
• Source Quench
• Redirect
Network Redirect, Host Redirect, Network Redirect for TOS, Host Redirect for
TOS, ICMP Redirect (catches all other Redirect errors)
•
Time Exceeded
ICMP Time Exceeded, Time To Live Exceeded, Fragment Reassembly Time
Exceeded
•
Parameter Problem
Bad IP Header, Required IP Option Missing, ICMP Parameter Problem (catches
all other Parameter errors)