Cisco ONS 15454 SDH Specifications Page 109

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Cisco ONS 15454 SDH Troubleshooting and Maintenance Guide, R3.3
May 2002
Chapter 2 General Troubleshooting
Circuits and Timing
2.4.2 Circuit Creation Error with VC Circuit
Symptom You might receive an “Error while finishing circuit creation. Unable to provision circuit.
Unable to create connection object at <node name>” message when trying to create a VC circuit in CTC.
Table 2-17 describes the potential cause(s) of the symptom and the solution(s).
2.4.3 ONS 15454 SDH Switches Timing Reference
Symptom Timing references switch when one or more problems occur.
Table 2-18 describes the potential cause(s) of the symptom and the solution(s).
Table 2-17 Circuit Creation Error with VC Circuit
Possible Problem Solution
You may have run out of
bandwidth on the VC
cross-connect matrix at
the ONS 15454 SDH
indicated in the error
message.
The matrix has a maximum capacity of 336 bidirectional VC cross-connects.
Certain configurations will exhaust VC capacity with less than 336
bidirectional VCs in a MS-SPRing or less than 224 bidirectional VCs in
SNCP or 1+1 protection. Refer to the Cisco ONS 15454 SDH Installation
and Operations Guide for more information.
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