Concept Guide

Field Description
11603 data
packets...
Displays the number of data packets sent.
24 data packets
retransmitted
Displays the number of data packets resent.
355 ack.. Displays the number of acknowledgement packets sent and the number of packet
delayed.
0 window probe... Displays the number of window probe and update packets sent.
7 Connections
initiated...
Displays the number of TCP connections initiated, accepted, and established.
14 Connections
closed...
Displays the number of TCP connections closed, dropped.
20 Total rxmt... Displays the number of times the switch tried to re-send data and the number of
connections dropped during the TCP retransmit timeout period.
0 Keepalive.... Lists the number of keepalive packets in timeout, the number keepalive probes and the
number of TCP connections dropped during keepalive.
Example
Dell#show tcp statistics
Rcvd: 9849 Total, 0 no port
0 checksum error, 0 bad offset, 0 too short
5735 packets (7919 bytes) in sequence
20 dup packets (2 bytes)
0 partially dup packets (0 bytes)
1 out-of-order packets (0 bytes)
0 packets ( 0 bytes) with data after window
0 packets after close
0 window probe packets, 0 window update packets
0 dup ack packets, 0 ack packets with unsend data
6671 ack packets (152813 bytes)
Sent: 6778 Total, 0 urgent packets
7 control packets
6674 data packets (152822 bytes)
12 data packets (1222 bytes) retransmitted
85 ack only packets (5677 delayed)
0 window probe packets, 0 window update packets
0 Connections initiated, 7 connections accepted, 7 connections established
8 Connections closed (including 4 dropped, 0 embryonic dropped)
12 Total rxmt timeout, 1 connections dropped in rxmt timeout
26 Keepalive timeout, 25 keepalive probe, 1 Connections dropped in keepalive
Dell#
642 IPv4 Routing