Alcatel-Lucent 6850-48 Guida Di Rete

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ERP Specifications
Configuring ERP
page 14-2
OmniSwitch AOS Release 6 Network Configuration Guide
September 2009
ERP Specifications
ERP Defaults 
ITU-T G.8032/Y.1344
Ethernet Ring Protection 
(Hold-off timer not supported)
(Non-revertive mode not supported)
ITU-T Y.1731/IEEE 802.1ag
ERP packet compliant with OAM PDU format for CFM
Supported Platforms
OmniSwitch 6400, 6850, 6855, 9000, and 9000E
Maximum number of rings per node
4
Maximum number of rings per ring port
1
Maximum number of nodes per ring
16 (recommended)
Maximum number of ERP protected 
VLANs per switch.
252 on switch operating in the 1x1 Spanning Tree mode.
Range for ring ID 
1 - 2147483647
Range for remote MEPID
1 - 8191
Range for wait-to-restore timer
1 - 12 minutes
Range for guard timer
1 - 200 centi-seconds
Parameter Description
Command
Default
ERP ring status
Disabled
RPL status for the node 
Disabled
The wait-to-restore timer value for 
the RPL node
5 minutes
The guard-timer value for the ring 
node
50 centi-seconds
ERP interaction with Ethernet OAM 
(accept or drop loss of connectivity 
events from remote endpoint).
Events are dropped
The NNI-SVLAN association type.
STP