IP Performance Configuration Commands 113
Example
# View statistics about TCP packets.
<SW8800> display tcp statistics
Received packets:
Total: 753
packets in sequence: 412 (11032 bytes)
window probe packets: 0, window update packets: 0
checksum error: 0, offset error: 0, short error: 0
duplicate packets: 4 (88 bytes), partially duplicate packets: 5 (7 bytes)
out-of-order packets: 0 (0 bytes)
packets of data after window: 0 (0 bytes)
packets received after close: 0
ACK packets: 481 (8776 bytes)
duplicate ACK packets: 7, too much ACK packets: 0
Sent packets:
Total: 665
urgent packets: 0
control packets: 5 (including 1 RST)
window probe packets: 0, window update packets: 2
data packets: 618 (8770 bytes) data packets retransmitted: 0 (0 bytes)
ACK-only packets: 40 (28 delayed)
Retransmitted timeout: 0, connections dropped in retransmitted timeout: 0
Keepalive timeout: 0, keepalive probe: 0, Keepalive timeout, so connections
disconnected : 0
Initiated connections: 0, accepted connections: 0, established connections: 0
Closed connections: 0 (dropped: 0, initiated dropped: 0)
Packets dropped with MD5 authentication: 0
Packets permitted with MD5 authentication: 0
Tab le 16 Description on the fields of the display tcp statistics command
Field Description
Received packets Information followed is about received
packets
Total:753 Total number of received packets: 753
packets in sequence: 412 (11032 bytes) Up to 412 packets (total of 11,032 bytes)
arrive in sequence
window probe packets: 0, window update
packets: 0
Number of window probe packets: 0
Number of window update packets: 0
checksum error: 0, offset error: 0, short error:
0
Number of checksum errors: 0
Number of offset errors: 0
Number of short errors: 0
duplicate packets: 4 (88 bytes), partially
duplicate packets: 5 (7 bytes)
Number of duplicate packets: 4 (total of 88
bytes)
Number of partially duplicate packets: 5 (total
of 7 bytes)
out-of-order packets: 0 (0 bytes) Number of out-of-order packets: 0 (0 byte)
packets of data after window: 0 (0 bytes) Number of packets out of receiving window:
0 (0 byte)
packets received after close: 0 Number of packets received after the
connection closed: 0
ACK packets: 481 (8776 bytes) Number of ACK packets: 481 (total of 8776
bytes of data acknowledged)
duplicate ACK packets: 7, too much ACK
packets: 0
Number of duplicate ACK packets: 7
Number of too-much ACK packets: 0 (ACK
packets that acknowledge data not sent)
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