Sun Microsystems SPARCstation 5 Service Manual page 167

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You may also control the selection of Ethernet interfaces to monitor by using specific
commands. Use watch-tpe to monitor the 10BaseT (TPE) connection or watch-aui
to monitor the 10Base5 (thick Ethernet) connection.
For example:
ok watch-tpe
Using TP Ethernet Interface
Lance register test -- succeeded
Internal loopback test -- succeeded
External loopback test -- succeeded
Looking for Ethernet packets.
'.' is a good packet. "X" is a bad packet.
Type any key to stop.
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The watch-net-all command monitors Ethernet packets on any Ethernet interface
installed in the system. For example, if you have an SBus Ethernet card installed in
one of the system SBus slots, watch-net-all will start by monitoring Ethernet
transmissions detected by that card.
When you interrupt the test on that interface by pressing any key,watch-net-all
then goes on to test the next Ethernet interface it finds in the system.
For example:
ok watch-net-all
/iommu@0,100000000/sbus@0,10001000/ledma@5,8400010/le@5,8c00000
Using AUI Ethernet Interface
Lance register test -- succeeded
Internal loopback test -- succeeded
External loopback test -- Lost Carrier (transceiver cable problem?) send failed.
Using TP Ethernet Interface
Lance register test -- succeeded
Internal loopback test -- succeeded
External loopback test -- succeeded
Looking for Ethernet packets.
'.' is a good packet. "X" is a bad packet.
Type any key to stop.
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FORTH Diagnostics