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-
- trace [<iface> [off | <btio> [outfile]]
-
- Controls packet tracing by the interface drivers. Specific bits
- enable tracing of the various interfaces and the amount of
- information produced. Tracing is controlled on a per-interface basis;
- without arguments, 'trace' gives a list of all defined interfaces and
- their tracing status. Output can be limited to a single interface by
- specifying it, and the control flags can be changed by specifying them
- as well. Trace control flags may be followed by <outfile>, a path to
- a disk file to contain the tracing output.
-
- The flags are given as a hexadecimal number which is interpreted
- as follows:
-
- B - Broadcast filter flag. If set, only packets specifically
- addressed to this node will be traced; broadcast packets will
- not be displayed.
- T - Controls type of tracing:
- 0 - Protocol headers are decoded, but data is not displayed
- 1 - Protocol headers are decoded, and data (but not the headers
- themselves) are displayed as ASCII characters, 64 characters
- per line. Unprintable characters are displayed as periods.
- 2 - Protocol headers are decoded, and the entire packet (headers
- AND data) is also displayed in hexadecimal and ASCII, 16 chars
- per line.
- 3 - A minimal display of headers and data is produced.
- I - Enable tracing of input packets if 1, disable if 0
- O - Enable tracing of output packets if 1, disable if 0
-
-
- Example:
- # Trace all packets on port1 and display with headers:
- trace port1 0111
- # Trace all lan non-broadcast received packets to a file:
- trace lan 1210 d:\lan_ipt.trc
-
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-