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2000-A2-GB20-10
Table 12–6. TCP Statistics Report
Parameter
- bad checksums
- with headers too small
- packets smaller than
header
- packets larger than frame Packet is larger than the internal packet buffer.
- acks for unsent data
- with data outside window The remote host has sent data beyond the window
- with data after close
segments with data
segments with duplicate
data
segments with only an
ACK
segments with a duplicate
ACK
segments with a RST
window probes
window updates
Sent Packet Information
packets sent
discarded for lack of
resources
discarded due to internal
errors
with illegal destination port Destination port field value in TCP header is illegal.
segments with data
segments with
retransmitted data
segments with only an
ACK
segments with a delayed
ACK
segments with a RST
window probes
window updates
active opens
passive opens
connections currently
established
- 191 -
Description
Checksum value in TCP header is incorrect.
Size of the TCP header is less than 20 bytes.
Packet size is less than the TCP header size.
Unacceptable/invalid/unsent acknowledge number
in the TCP header.
that the software could advertise.
TCP packets received in a Closed state/connection.
Total segments received, including those received
in error. This count includes segments received on
currently established connections.
No. of segments received with duplicate data.
Not used
Not used
No. of segments received with the RST (Reset)
Flag bit on in the TCP header.
Not used
Not used
Total TCP packets sent.
Discarded transmitted packets due to lack of
resources: kernel memory or packet buffers.
Discarded transmitted packets due to internal
software errors.
Total segments sent.
No. of retransmitted TCP data packet.
Not used
Not used
No. of unsolicited reset (RST) segment sent.
Not used
Not used
No. of TCP connections opened.
No. of TCP passive connections opened.
No. of TCP connections currently established.
February 2004
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