SNR S2940-8G-v2 Switch Configuration Guide
CFM-OAM Configuration
15.3.4 Inform of Failure
After CFM inspects the failure of linkage, there are several of methods to tackle with:
• After checking the linkage failure, MEP will send the SNMP TRAP message to the manage-
ment node, and inform failure occurred;
• After checking the linkage failure, MEP will send the records to the facility log book, and the
administrators can discover the problem after checking it;
• After checking the linkage failure, will cooperate with others automatic protect protocol such
as APS etc to undergo recovery. CFM will inform the occurrence of failure to these protocols,
and confer switching the linkage automatically.
15.4 CFM OAM Basic Function Configuration
15.4.1 The Design of CFM Management Topology
Before the execution of CFM OAM function, need to perform the following layout in the network:
1. Need to divide the levels in the maintenance domain in the whole network, to confirm each
level of boundaries in the domain.
2. Confirm the name of each maintenance domain, the name of different facilities is the same
in the same maintenance domain.
3. According to the VLAN that is need to inspect, and confirm the maintenance services in
different maintenance domains.
4. Confirm each of the name of all maintenance services, the name of different facilities is the
same in the same maintenance service in the domain.
5. Confirm different facilities are the same in the same maintenance base point table in the
same maintenance service of same domain.
6. Can maintenance the maintenance base point under the rules of the port in the maintenance
domain and boundary of services. And maintenance the mid-point in the non- boundary or
port.
Therefore require for the following data:
Serial number Data
1 MD name and level
2 MA name, MA related VLAN ID
3 MEP ID, the name of the port that is connected to MEP, types of MEP
4 RMEP ID
5 MIP develop rules
6 The time interval that sending and detecting CCM news from MEP in MA
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