Tracing and Logging Utilities netfmt

 

Use this option to specify the binary file containing the

 

log or trace data. This is the name of the .TRC0 file that

 

was specified when nettl was run the first time with

 

the -traceonand -fileoptions. By default, data is

 

read from standard input.

-v

Enables “verbose” mode, but also gives the full data

 

output for each packet header (see Examples section

 

below).

-N

Enables “Nice” formatting of output. Only packet

 

headers and the first few lines of the main data output

 

are displayed. Only the data length is provided in

 

addition to the packet header to make the output easier

 

to read (see Examples section below).

-1

(one) Enables “terse” (short) mode formatting of each

 

traced packet on a single line. Output lines will be

 

more than 80 characters long if the -Land/or -T

 

options are used (see Examples section below).

-l

(small letter “l”) Use this option when you send

 

formatted trace data to a line printer to turn off inverse

 

video highlighting of all trace fields.

Examples

To format the file /tmp/tracex25.TRC0 in “verbose” mode (packet headers plus full data output for each header) with no filtering:

/etc/netfmt -v -f /tmp/tracex25.TRC0 more

The output will resemble the following:

vvvvvvvvvvvvvvvvvvvvvvLAN/X.25NETWORKINGvvvvvvvvvvvvvvvvvvvvvvvvv

Timestamp : Wed Sep 28

1994 10:16:19.696042

 

Process ID

:

10

Subsystem

: SX25L3

User ID ( UID )

:

0

Trace Kind

: 0x10000000

Device ID

:

0

Path ID

: -1

Connection ID

:

0

 

 

Location

:

00123

 

 

Tx board: 0 at Wed

Sep 28

1994

10:16:19.689181

Data Packet lci 64

Q-bit :

0

D-bit

:

0

M-bit : 0

 

P(R)

:

0

P(S)

:

0

 

 

User

Data = 20

bytes

 

 

 

 

182

Chapter 7