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ATM Tips
Issue 4 May 2002 5-89 555-233-123
Screen 5-27. A500: show stats sonet a1.2 screen
Ensure that the fields have the values indicated below.
Receive
Cell
Count
Each field’s values should be increasing if the TN230X is actively
sending and receiving cells with the A500. (Even if a TN230X did
not achieve board insertion, it will still try to talk to the A500.)
Transmit
Cell
Count
If neither field is increasing, the A500 port may have been
marked down using the admin down command. Use show
system interfaces to verify that the
Admin Status
is
up
.
If the
Receive Cell Count
is increasing but the
Transmit
Cell Count
is not increasing, this may be because the port was
administered with no UNI signaling (admin link). Use show
signaling summary to ensure that
Signaling
is
UNI3.1
.
The error counters may not be zero, but should not be large
compared to the receive and transmit cell counters. If the
counters are large and increasing, check the fiber integrity.
Ensure the fiber pairs are securely plugged into the TN230X and
the A500.
If the fiber has been pulled and reinserted as part of fault
diagnosis, the non-zero
Loss of Signal Err
counter may be
correct.
Sonet per Port Statistics
---------------------------------
Receive Cell Count: 80654
Transmit Cell Count: 79555
Section Level Bit Err: 1
Line Bit Err: 1
Line FEB Err: 168
Path Bit Err: 1
Path FEB Err: 98
Correctable HCS Err: 0
Uncorrectable HCS Err: 0
Loss of Frame Err: 1
Loss of Signal Err: 0
Out of Frame Err: 0
Path Signal Label: 19