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6 MAINTENANCE
(6) ICMP protocol statistics
The statistics displayed as shown below is statistical information concerning the ICMP
protocol.
① Messages
The total number of ICMP messages that were processed.
② Errors
The total number of ICMP error messages that were processed.
③ Destination Unreachable
The total number of ICMP messages that could not be transmitted to the destination.
④ Time Exceeded
The total number of ICMP messages that were discarded during routing because of a
TTL (Time To Live) shortage.
⑤ Parameter Problems
The total number of ICMP messages that reported on a parameter error.
⑥ Source Quenches
The total number of ICMP messages that requested the control of transmissions because
of a resource shortage on the receiving side.
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