Configuring Sncp - Cisco ASR 900 Series Configuration Manual
Interface module configuration
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Also See for ASR 900 Series:
- Release notes (310 pages) ,
- Manual (174 pages) ,
- Configuration manual (152 pages)
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Configuring SNCP
two ADMs fails, the other ring still can guarantee the continuation of data flow. SNCP, like the one-plus-one
scheme, has fast failure recovery.
SNCP Path Protection is supported at VC level and STM level.
Once a signal fail condition or a signal degrade condition is detected, the hardware initiates an interrupt to
software that switches from the working path to the protection path. Non-revertive options are valid for SNCP
path protection.
Note
1X OC-192 and 8X OC-48 interface modules only supports the non-revertive option. The non-revertive
option is the default mode.
The following table shows the scales of SNCP supported on different modes:
Modes
AU4-VC12
AU4-VC11
AU4-VC4
AU3-VC12
AU3-VC11
VC4-4c
VC4-16c
Configuring SNCP
Protection Group Controller Configuration
enable
configure terminal
protection group 1 type vc4-16c
controller protection group 1
type vc4-16c
cem-group 16001 cep
end
Working Path Configuration
enable
configure terminal
controller sdh 0/3/6
au-4 1-16 mode vc4-16c
protection group 1 working
end
Protect Path Configuration
enable
configure terminal
controller sdh 0/12/6
1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x
(Cisco ASR 900 Series)
126
Configuring SNCP on 1-Port OC192/STM-64 or 8-Port OC3/12/48/STM-1/-4/-16 Module
Supported Scales
252
336
16
252
336
4
1
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