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Catalyst 6500 Series Switch Command Reference—Release8.1
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Chapter2 Catalyst 6500 Series Switch and ROM Monitor Commands show netstat
69 duplicate acks
0 acks for unsent data
3468 packets (15367 bytes) received in-sequence
12 completely duplicate packets (20 bytes)
0 packets with some dup. data (0 bytes duped)
4 out-of-order packets (0 bytes)
0 packets (0 bytes) of data after window
0 window probes
0 window update packets
0 packets received after close
0 discarded for bad checksums
0 discarded for bad header offset fields
0 discarded because packet too short
6 connection requests
6 connection accepts
10 connections established (including accepts)
11 connections closed (including 1 drop)
2 embryonic connections dropped
4581 segments updated rtt (of 4600 attempts)
28 retransmit timeouts
0 connections dropped by rexmit timeout
0 persist timeouts
66 keepalive timeouts
63 keepalive probes sent
3 connections dropped by keepalive
Console>
Table 2 -56 describes the fields in the show netstat tcp command output.
Table2-56 show netstat tcp Command Output Fields
Field Description
packets sent Total number of TCP packets sent.
data packets (bytes) Number of TCP data packets sent and the size of those packets in
bytes.
data packets (bytes)
retransmitted Number of TCP data packets retransmitted and the size of those
packets in bytes.
ack-only packets
(delayed) Number of TCP acknowledgment-only packets sent and the
number of those packets delayed.
URG only packets Number of URG packets.
window probe packets Number of window probe packets.
window update packet Number of window update packets.
packets received Total number of TCP packets received.
acks (for x bytes) Number of TCP acknowledgments received and the total bytes
acknowledged.
duplicate acks Number of duplicate TCP acknowledgments received.
acks for unsent data Number of TCP acknowledgments received for data that was not
sent.