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Catalyst 6500 Series Switch Command Reference—Release 8.1
78-15474-01
Chapter 2 Catalyst 6500 Series Switch and ROM Monitor Commands
show netstat
This example shows how to display ICMP statistics:
Console> show netstat icmp
icmp:
Redirect enabled
0 calls to icmp_error
0 errors not generated 'cuz old message was icmp
Output histogram:
echo reply: 1001
1 message with bad code fields
0 messages < minimum length
0 bad checksums
0 messages with bad length
Input histogram:
echo reply: 12
destination unreachable: 3961
echo: 1001
1001 message responses generated
Console>
Table 2-59 describes the fields in the show netstat icmp command output.
fragments dropped (dup or
out of space)
Number of received IP packet fragments that were dropped
because of duplicate data or buffer overflow.
fragments dropped after
timeout
Number of received IP packet fragments that were dropped.
packets forwarded Number of forwarded IP packets.
packets not forwardable Number of IP packets that the switch did not forward.
redirects sent Number of IP packets that the switch redirected.
Table 2-58 show netstat ip Command Output Fields (continued)
Field Description
Table 2-59 show netstat icmp Command Output Fields
Field Description
Redirect enabled Status of whether ICMP redirection is enabled or disabled.
Output histogram Frequency distribution statistics for output ICMP packets.
echo reply Number of output echo reply ICMP packets.
messages with bad code
fields
Number of ICMP packets with an invalid code field.
messages < minimum
length
Number of ICMP packets with less than the minimum packet
length.
bad checksums Number of ICMP packets that failed the checksum.
messages with bad
length
Number of ICMP packets with an invalid length.
