Displaying the Internet Counters

Internet Counter Display Fields

The following table describes the fields in a typical Internet counters display:

Field

Description

 

 

TCP Segments

The following counters contain statistics on TCP

 

segments:

Transmitted:

Total number of TCP segments transmitted by the

 

access server. The following counters are a breakdown

 

of this total:

 

Data: Number of transmitted segments that contained

 

data.

 

Data Retransmitted: Number of transmitted segments

 

that contained retransmitted data.

 

Other: Number of transmitted segments that contained

 

no data.

Received:

Total number of TCP segments received by the access

 

server.

Segments Discarded:

Number of received TCP segments that were discarded

 

due to errors. These errors can include bad checksum

 

and invalid length of TCP header.

Bytes Transmitted:

Total number of bytes of data transmitted in TCP

 

segments, including bytes retransmitted. The following

 

counters are a breakdown of this total:

 

Bytes Data: Total number of bytes of data transmitted

 

in TCP segments, not including bytes retransmitted.

 

Bytes Data Retransmitted: Total number of

 

retransmitted bytes of data transmitted in TCP

 

segments.

Bytes Received:

Total number of bytes of data received in TCP

 

segments.

IP Packets Transmitted:

Total number of IP datagrams transmitted.

IP Packets Received:

Total number of IP datagrams received.

IP Fragments Received:

Total number of IP fragments received.

7-22 TCP/IP Network Characteristics