Specifications

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Cisco Wide Area Application Services Command Reference
OL-16451-01
Chapter 3 CLI Commands
show statistics tcp
Segments sent Total number of segments sent, including those on current
connections but excluding those containing only retransmitted
octets.
Bad segments received Number of bad segments received.
Segments retransmitted Total number of segments retransmitted, that is, the number of
TCP segments transmitted containing one or more previously
transmitted octets.
TCP memory usage (KB) TCP memory usage.
TCP extended statistics
Sync cookies sent Number of SYN-ACK packets sent with SYN cookies in
response to SYN packets.
Sync cookies received Number of ACK packets received with the correct SYN cookie
that was sent in the SYN-ACK packet by the device.
Sync cookies failed Number of ACK packets received with the incorrect SYN
cookie that was sent in the SYN-ACK packet by the device.
Embryonic connection resets Number of times TCP connections have made a direct transition
to the CLOSED state from either the SYN-RCVD state, the
SYN-SENT state, or the SYN-ACK-SENT state.
Prune message called Number of times that the device exceeded the memory pool
allocated for the connection.
Packets pruned from receive queue Number of packets dropped from the receive queue of the
connection because of a memory overrun.
Out-of-order-queue pruned Number of times that the out-of-order queue was pruned
because of a memory overrun.
Out-of-window Icmp messages Number of ICMP packets received on a TCP connection that
were out of the received window.
Lock dropped Icmp messages Number of ICMP packets dropped because the socket is busy.
Arp filter Number of ICMP responses dropped because of the ARP filter.
Time-wait sockets Number of times that the TCP connection made a transition to
the CLOSED state from the TIME-WAIT state.
Time-wait sockets recycled Number of times that the TCP connection made a transition to
the CLOSED state from the TIME-WAIT state.
Time-wait sockets killed Number of times that the TCP connection made a transition to
the CLOSED state from TIME-WAIT state.
PAWS passive Number of incoming SYN packets dropped because of a PAWS
check failure.
PAWS active Number of incoming SYN-ACK packets dropped because of a
PAWS check failure.
PAWS established Number of packets dropped in ESTABLISHED state because of
a PAWS check failure.
Delayed acks sent Number of delayed ACKs sent.
Table 3-100 Field Descriptions for the show statistics tcp Command (continued)
Field Description