Atlantis Land I-Storm A02-RA(Atmos)_ME01 Manual do Utilizador Página 100

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subnet ether.home . 192.168.2.0 ff:ff:ff:00 ether
10.50 trace
10.50.1Syntax
trace [<option>]
10.50.2Description
Turns on an IP tracing option, or lists the available options. Note that tracing
messages are written to background output, so with the standard console one must
use the event commands to see them.
An option can be:
• One of various keywords. The details of just what tracing messages are enabled by
each keyword are not documented here; examine the source code for more
information.
• An association number (see the command files
on page 170). For a TCP association
this turns on detailed tracing of events (including all packet transmission and
reception) on that association; for a UDP association it has no effect. The files
command shows (by appending TRACE) whether each association has tracing
enabled.
• An interface name (see the command device
on page 162). This turns on tracing of
every packet sent or received through the interface (one line per packet). The
device command shows (by appending TRACE) whether each interface has
tracing enabled.
ip. This turns on tracing for all interfaces.
all. This turns on all tracing.
Note trace does not display which associations and interfaces are being
traced; one must use the files and device commands for that.
The trace command is hidden, not shown by ip help. It is useful mainly for
debugging and troubleshooting.
10.50.3Example
mymachine> ip trace
ip: try trace - <assoc no> <i/f name> all ip errors resolve ipatm atmarp
iploop arp ipether icmp udp tcp tcphdr tcpstate routes riptx riprx names
ip: currently tracing nothing
mymachine> ip trace tcp
ip: currently tracing tcp
10.51 untrace
10.51.1Syntax
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