White Papers

Table Of Contents
Field Description
Rcvd: Displays the number and types of TCP packets received by the switch.
Total = total packets received
no port = number of packets received with no designated port
0 checksum
error...
Displays the number of packets received with the following:
checksum errors
bad offset to data
too short
329 packets... Displays the number of packets and bytes received in sequence.
17 dup... Displays the number of duplicate packets and bytes received.
0 partially... Displays the number of partially duplicated packets and bytes received.
7 out-of-order... Displays the number of packets and bytes received out of order.
0 packets with
data after
window
Displays the number of packets and bytes received that exceed the switchs
window size.
0 packets after
close
Displays the number of packet received after the TCP connection was closed.
0 window probe
packets...
Displays the number of window probe and update packets received.
41 dup ack... Displays the number of duplicate acknowledgement packets and acknowledgement
packets with data received.
10184 ack... Displays the number of acknowledgement packets and bytes received.
Sent: Displays the total number of TCP packets sent and the number of urgent packets
sent.
25 control
packets...
Displays the number of control packets sent and the number retransmitted.
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
DellEMC# show tcp stat cp
Control Processor TCP:
Rcvd: 10585 Total, 0 no port
0 checksum error, 0 bad offset, 0 too short
329 packets (1263 bytes) in sequence
17 dup packets (6 bytes)
0 partially dup packets (0 bytes)
7 out-of-order packets (0 bytes)
768 IPv4 Routing