Справочник Пользователя для Polycom 7000

Скачать
Страница из 323
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