Site Link
Chapter 13: MTS Troubleshooting
Datagrams supplied by IP user-protocols
14369
Outbound datagrams discarded
0
IP datagrams dropped due to no routes
0
If there are issues with con
fi
guration for CRTP "header extensions", this will be indicated by the
counter labeled "UDP datagrams received for unknown ports or with other errors".
Site Link
Troubleshooting the Site Link essentially consists of checking the correct operation of each
layer in the order starting with the physical layer.
The physical layer may be con
fi
gured to be either E1 or X.21. The
status bsl
command
provides different information for the two interface types.
X.21 Interface
If the Site Link interface had been con
fi
gured to use X.21 interface, the information
provided by the
status bsl
command is as follows:
SC) status bsl
Primary Site Link –
State:DOWN
Speed:
0 bps
Rear port:X.21
HDLC Statistics:-
----Rx----
----Tx----
Good frames
: 0
0
Overruns | Underruns
: 0
0
C Line | I Line lost
: 0
0
CRC/framing errors
: 0
No buffers avail
: 0
Buffer overflows
: 0
Aborts
: 0
Non octet aligned
: 0
X.21 Interface:-
Clock Loss events
: 2
I Line Off events
: 0
Current Clock state
: Failed
Current I Line state
: On
Current C Line state
: Off
•
The Site Link State should be shown as ‘UP’, the number of good frames transmitted and
received should be non-zero and incrementing indicating site link traf
fi
c. The presence of
non-zero data in other numeric
fi
elds may indicate a possible Site Link Problem.
13-16
6802800U74-N September 2009
Содержание DIMETRA MTS 2
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