Tcp statistics report, Table 12–6. tcp statistics report, Table 12–6 – Verilink Net Engine (3150-30626-001) Product Manual User Manual

Page 231

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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

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