H3C S5120-EI Series, Operation Manual

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1-5
Tasks Remarks
Basic Configuration Tasks
Required
These configurations are the foundation for other configuration tasks.
Configuring CC on MEPs
Required
Configuring the MEPs to send CCMs to manage link connectivity
Configuring LB on MEPs
Optional
Checking link state by testing link connectivity
Configuring LT on MEPs
Optional
Tracing link fault and finding the path between the source MEP and
target MEP
z
A port blocked by STP cannot receive, send, or respond to CFD messages, however, if the port is
configured as an outward-facing MEP, it can still receive and send CCM messages even if it is
blocked by STP.
z
Only Ethernet ports support CFD.
Basic Configuration Tasks
Basic configuration tasks include:
z
Configuring Service Instance
z
Configuring MEP
z
Configuring MIP Generation Rules
Based on the network design, you should configure MEPs or the rules for generating MIPs on each
device. However, before doing this you must first configure the service instance.
Configuring Service Instance
A service instance is indicated by an integer to represent an MA in an MD. The MD and MA define the
level and VLAN attribute of the messages handled by the MPs in a service instance.
Follow these steps to configure a service instance:
To do... Use the command... Remarks
Enter system view
system-view
—
Enable CFD
cfd enable
Required
CFD is disabled by default.