Verilink 8100A (34-00237) Product Manual - Manual (Page 195)

R e p o r t s 5-11
discarded for other reasons:
- with destination port zero
- bad checksums
- with headers too small
- packets smaller than header
- packets larger than frame
- ACKs for unsent data
- with data outside window
- with data after close
Discarded received packets due to other reasons listed
in the following:
Destination port value in TCP header is zero
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
Packet is larger than the internal packet buffer
Unacceptable/invalid/unsent acknowledge number in
the TCP header
The remote host has sent data beyond the window that
the software could advertise
TCP packets received in a Closed state/connection
segments with data Total segments received, including those received in
error. This count includes segments received on
currently established connections
segments with duplicate data No. of segments received with duplicate data
segments with only an ACK Not used
segments with a duplicate
ACK Not used
segments with a RST No. of segments received with the RST (Reset) Flag bit
on in the TCP header
window probes Not used
window updates Not used
Sent Packet Information
packets sent Total TCP packets sent
discarded for lack of
resources Discarded transmitted packets due to lack of resources:
kernel memory or packet buffers
discarded due to internal
errors Discarded transmitted packets due to internal software
errors
with illegal destination port Destination port field value in TCP header is illegal
segments with data Total segments sent
segments with retransmitted
data No. of retransmitted TCP data packet
segments with only an ACK Not used
segments with a delayed
ACK Not used
segments with a RST No. of unsolicited reset (RST) segment sent
window probes Not used
window updates Not used
active opens No. of TCP connections opened
passive opens No. of TCP passive connections opened
connections currently
established No. of TCP connections currently established
Parameter Description