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Specifies the number of datagrams that need to be fragmented but couldn' t be because the IP
header specifies no fragmentation. For example, if the datagrams "Don' t Fragment" flag was set,
the datagram would not be fragmented. These datagrams are discarded.
FragCreates :
Specifies the number of fragments created.
9.3. ICMP
The ICMP Statistics screen provides statistical information about packets/connections using an ICMP
protocol. Definitions and descriptions of each parameter are described below:
InMsgs, OutMsgs :
Specifies the number of messages received or sent.
InErrors, OutErrors :
Specifies the number of errors received or sent.
InDestUnreachs, OutDestUnreachs :
Specifies the number of destination- unreachable messages received or sent. A destination-
unreachable message is sent to the originating computer when a datagram fails to reach its
intended destination.
InTimeExcds, OutTimeExcds :
Specifies the number of time- to-live (TTL) exceeded messages received or sent. A time-to-live
exceeded message is sent to the originating computer when a datagram is discarded because the
Figure 9-2 IP statistics
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