Preparing For Configurations; Enabling Cfm - Raisecom ISCOM2600G-HI (A) Series Configuration Manual

Raisecom
ISCOM2600G-HI (A) Series Configuration Guide
When receiving an AIS frame, the MEP must inhibit alarms for all peer MEPs regardless of
connectivity, because this frame does not include information about MEPs that are at the same
level with the failed MEP. With AIS, the device can inhibit the alarm at the client level when
the server layer (sub-layer) fails. Therefore, the network is easy for maintenance and
management.

This function is used to notify managed lock and service interruption of server layer (sub-
layer) MEPs. The data traffic is sent to a MEP that expects to receive it. This function helps
the MEP that receives ETH-LCK frame to identify a fault. It is a managed lock action for
server layer (sub-layer) MEP. Lock is an optional OAM management function. One typical
scenario for applying this function is used to perform detection when services are interrupted.

This function is used to inform the server lay of signal faults on the client layer.
When an Up MEP has a fault occurs at the client side, it will periodically send CSF packets
with LOS labels to the peer MEP. After receiving these packets, the peer MEP will report CSF
alarms. When the client-side fault is cleared, the local MEP will send 3 consecutive CSF
packets with DCI labels. When receives theses packets, the peer MEP will exit the CSF status
and report the CSF clearance alarm. This function can be used to suppress alarms.
In general, CFM is an end-to-end OAM technology at the server layer. It helps reduce
operation and maintenance cost. In addition, it improves the competitiveness of service
providers.

9.3.2 Preparing for configurations

Scenario
To expand application of Ethernet technologies on a carrier-grade network, the Ethernet must
ensure the same QoS as the carrier-grade transport network does. CFM implements this by
providing overall OAM tools for the carrier-level Ethernet.
Prerequisite
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9.3.3 Enabling CFM

Enable CFM for the ISCOM2600G-HI series switch as below.
CFM functions, such as fault detection and location, cannot take effect unless CFM is
enabled.
Step
1
Ethernet locked signal (Lock, LCK)
Client Signal Fail (CSF)
Connect interfaces.
Configure physical parameters to make interfaces Up at the physical layer.
Create VLANs.
Add interfaces to the VLAN.
Command
Raisecom#config
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Description
Enter global configuration mode.
9 OAM
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