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nosvw137.arj
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ICMP
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1991-09-18
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==== NOSview [137]
icmp
====
These commands are used for the Internet Control Message Protocol
(ICMP) service.
_________________________________________________________________
icmp echo [on | off] Default: on
_________________________________________________________________
Display or set the flag controlling the asynchronous display of
ICMP Echo Reply packets. This flag must be on for one-shot pings
to work (see the 'ping' command).
>> Example: icmp echo off
_________________________________________________________________
icmp status
_________________________________________________________________
Display statistics about ICMP, including the number of ICMP
messages of each type sent or received.
_________________________________________________________________
icmp trace [on | off] Default: off
_________________________________________________________________
Display or set the flag controlling the display of ICMP error
messages. These informational messages are generated by Internet
routers in response to routing, protocol or congestion problems.
This option should be turned off before using the 'hop check'
facility, because it relies on ICMP Time Exceeded messages, and
the asynchronous display of these messages will be mingled with
'hop check' command output.
>> Example: icmp trace on