Commands for Connectivity Fault Management
ExtremeWare XOS 11.5 supports only the Summit X450 family of switches and the BlackDiamond 8800 series switch.
ExtremeWare XOS 11.5 Command Reference Guide
434
create cfm domain dns ma-level
create cfm domain dns <name> ma-level <level>
Description
Creates a maintenance domain (MD) in the DNS name format and assigns an MA level to that domain.
Syntax Description
Default
N/A.
Usage Guidelines
You can have up to 8 domains on a switch, and each one must have a unique MA level.
You assign each domain a maintenance association (MA) level, which function in a hierarchy for
forwarding CFM messages. The levels are from 0 to 7; with the lowest number being superior in the
hierarchy.
The IEEE standard 801.2ag specifies different levels for different network users, as follows:
● 0 to 2 for end users
● 3 and 4 for Internet service providers (ISPs)
● 5 to 7 for operators (entities carrying the information for the ISPs)
Example
The following command creates a domain, using the DNS name format, named extreme and assigns
that domain an MA level of 2:
create cfm domain dns extreme ma-level 2
History
This command was first available in ExtremeWare XOS 11.4.
Platform Availability
This command is available only on the BlackDiamond 10808 and 12804 switches.
name Assigns the name you want for this domain, using the DNS name format. Enter
alphanumeric characters for this format; the maximum is 100 characters.
level Specifies the MA level you are assigning to this domain. Enter a value between
0 and 7.
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