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94 SunFDDI/P 1.0 Adapter User’s Guide—May1997
8
• The minimum interval of one second is not fast enough to recover and
display the complete sequence of PCM states during the path
re-establishment phase.
• A Ring_OP signal is received when the path is re-established indicating that
the ring is operational.
The link status indicator mounted on the SunFDDI/P card displays the
following sequence of events:
Green (connected) —> Amber (disconnected) —> Green (connected)
Displaying Statistics from Neighboring Stations
When you use the pf_stat command with the —m option, it displays
information about the neighboring stations attached to the local interface
pf<inst> and the frames received from the network.
For example, to display information about the neighboring stations attached to
the interface pf0, type:
You can also monitor the neighboring stations dynamically (active monitor), by
specifying the interval (the elapsed time in seconds between interrogations) and
count (the total number of interrogations). The minimum interval is one second
and the accumulated statistics are displayed after every tenth interrogation.
For example, to monitor the stations attached to pf0 once every 10 seconds for
1 minute (a total of 6 interrogations), type:
# <basedir>/pf_stat —m pf0
PhyS Frame Error Lost SA UNA DNA
M b43eb2 0 3 <mac_addr1> <mac_addr2> <mac_addr3>
# <basedir>/pf_stat —m pf0 10 6
PhyS Frame Error Lost SA UNA DNA
M c460a6d 0 3 <mac_addr1> <mac_addr2> <mac_addr3>
M 27224 0 0 <mac_addr1> <mac_addr2> <mac_addr3>
M 27227 0 0 <mac_addr1> <mac_addr2> <mac_addr3>
M 27220 0 0 <mac_addr1> <mac_addr2> <mac_addr3>
M 2722e 0 0 <mac_addr1> <mac_addr2> <mac_addr3>
M 27223 0 0 <mac_addr1> <mac_addr2> <mac_addr3>