Show Icmp Counters; Icmp Counters; Input Counters; Output Counters - 3Com OfficeConnect Remote 812 Cli User's Manual

B-40 A B: CLI COMMAND DESCRIPTION
PPENDIX

show icmp counters

Shows the Input and Output Counters for ICMP. Two types of ICMP messages -
error and query messages - are sent to syslog hosts.

ICMP COUNTERS

INPUT COUNTERS

Messages - ICMP packets received.


Errors - ICMP packets received with errors.


Destination Unreachable - sum of ICMP messages received when a router


cannot forward a packet to its specified destination
Time Exceeded - sum of ICMP messages generated by a router when time


has exceeded or a timeout has occurred while waiting for a packet segment
Parameter Problems - sum of ICMP messages generated by a router


when it encounters an error
Source Quench - sum of ICMP messages informing a host it should slow


data transmission to ease congestion
Redirects - sum of ICMP messages concerning a router advertising a host


of a better next hop
Echos - sum of ICMP request messages received, signifying transport


system success
Echo Replies - sum of ICMP reply messages received, indicating transport


system success
Timestamps - sum of ICMP request messages received seeking time from


another machine for clock synchronization and estimated transit time
purposes
Timestamp Replies - sum of ICMP timestamp reply messages


Address Masks - sum of ICMP Address Mask Reply messages


Address Mask Replies - sum of ICMP request messages concerning a


host's ability to gather network information

OUTPUT COUNTERS

Messages - total of ICMP messages transmitted


Errors - ICMP packets transmitted with errors


Destination Unreachable - sum of these messages sent


Time Exceeded - sum of these messages sent


Parameter Problems - sum of these messages sent


Source Quench - sum of these messages sent


Redirects - sum of these messages sent


Echos - sum of ICMP Echo (request) messages sent


Echo Replies - sum of these messages sent


Timestamps - sum of these messages sent


Timestamp Replies - sum of these messages sent


Address Masks - sum of these messages sent