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NetEngine IAD User Guide
IAD Reports 212
TCP Statistics Report
To display the TCP Statistics report, type T on the Network Statistics
menu. The TCP Statistics report displays detailed information about TCP
(Transport Control Protocol) packets sent and received.
Boosters sent No. of PIM Bootstrap messages sent.
Assert sent No. of PIM Assert messages sent.
Graft sent No. of PIM Graft messages sent.
Graft Ack sent No. of PIM Graft Acknowledgment messages sent.
Cand RP Adv sent No. of PIM messages sent.
other messages sent No. of PIM messages sent.
Table 12–6. TCP Statistics Report
Parameter Description
Received Packet Information
packets received Total TCP packets received.
discarded for lack of
resources
Discarded received packets due to lack of
resources: kernel memory or packet buffers.
discarded due to internal
errors
Discarded received packets due to internal
software errors.
discarded for other
reasons:
Discarded received packets due to other reasons
listed in the following:
- with destination port zero Destination port value in TCP header is zero.
- bad checksums Checksum value in TCP header is incorrect.
- with headers too small Size of the TCP header is less than 20 bytes.
- packets smaller than
header
Packet size is less than the TCP header size.
- packets larger than frame Packet is larger than the internal packet buffer.
- acks for unsent data Unacceptable/invalid/unsent acknowledge number
in the TCP header.
- with data outside window The remote host has sent data beyond the window
that the software could advertise.
- with data after close 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
Table 12–5. PIM Statistics Report
Parameter Description