VCG total loss of capacity(transmission)
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Alarm identifier
VC12VcTLCT
Information
Total transmission bandwidth lost because all the VC-12s of the Virtual
Concatenation Group (VCG) in the SHDSL NTU have failed.
Alarm category
Transmission
ASAP
sdhVCG
Alarm severity
(default setting)
Prompt
Reporting state
(default setting)
Reported
Local indications
–
Cause
All the VC-12s of the VCG have failed.
Actions
Make sure that the same mapping scheme (GFP or LAP-S encapsulation for
example) is applied at both ends of the connection.
Otherwise, repair the individual members (VC-12s) of the VCG.
Note(s)
LCAS is always enabled for an SHDSL NTU and therefore, it is recommended
to apply “diverse routing” i.e. to route the members of the VCG via physically
diverse routes.
Alarm messages
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1-254
Alcatel-Lucent - Proprietary
See notice on first page
365-312-803R7.2
Issue 4, May 2007
Содержание 1643 AM
Страница 346: ......