C
HAPTER
14
| Basic Administration Protocols
Connectivity Fault Management
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PARAMETERS
These parameters are displayed:
Creating a Maintenance Domain
◆ MD Index – Domain index. (Range: 1-65535)
◆ MD Name – Maintenance domain name. (Range: 1-43 alphanumeric
characters)
◆ MD Level – Authorized maintenance level for this domain.
(Range: 0-7)
◆ MIP Creation Type – Specifies the CFM protocol’s creation method for
maintenance intermediate points (MIPs) in this domain:
â–
Default – MIPs can be created for any maintenance association
(MA) configured in this domain on any bridge port through which
the MA’s VID can pass.
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Explicit – MIPs can be created for any MA configured in this domain
only on bridge ports through which the MA’s VID can pass, and only
if a maintenance end point (MEP) is created at some lower MA
Level.
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None – No MIP can be created for any MA configured in this
domain.
Configuring Detailed Settings for a Maintenance Domain
◆ MD Index – Domain index. (Range: 1-65535)
◆ MEP Archive Hold Time – The time that data from a missing MEP is
retained in the continuity check message (CCM) database before being
purged. (Range: 1-65535 minutes; Default: 100 minutes)
A change to the hold time only applies to entries stored in the database
after this attribute is changed.
◆ MEP Fault Notify Lowest Priority – The lowest priority defect that is
allowed to generate a fault alarm. (Range: 1-6, Default: 2)
◆ MEP Fault Notify Alarm Time – The time that one or more defects
must be present before a fault alarm is issued. (Range: 3-10 seconds;
Default: 3 seconds)
◆ MEP Fault Notify Reset Time – The time after a fault alarm has been
issued, and no defect exists, before another fault alarm can be issued.
(Range: 3-10 seconds; Default: 10 seconds)
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