Configuring Y.1731 - Cisco Catalyst 4500 series Administration Manual

Configuring Y.1731

Figure 67-1
Customer
Equipment
Configuring Y.1731
Y.1731 is enabled by default.
Note
These sections are included:
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•
•
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Y.1731 Configuration Guidelines
Configuration guidelines and restrictions for Y.1731 include the following:
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•
Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)E
67-4
Generating and Propagating AIS Messages Upon a Defect (Link Fail)
Operator A Bridges
M M
M M
M M L L L L L L L L
M M M M M M M M M M M M
Y.1731 Configuration Guidelines, page 67-4
Configuring AIS Parameters, page 67-5
Clearing MEP from the AIS Defect Condition, page 67-6
Clearing SMEP from the AIS Defect Condition, page 67-6
Because of STP's restoration capability, do not expect ETH-AIS to be applied in the STP
environments.
AIS is enabled by default on a CFM maintenance domain. The following section illustrates the
commands you can use to disable AIS on a maintenance domain. Likewise, RDI is a flag bit in the
CC message. Provided CC transmission is enabled, the present RDI flag of the CC message is set to
true or false.
Operator B Bridges
L L L L L
L L L M M M M M L L L L L L L L
M M M M M M M M M M M M M M M
= Maintenance End Point
M M
= Maintenance Intermediate Point
L L
= AIS
= CC with RDI
Chapter 67 Configuring Y.1731 (AIS and RDI)
Customer
Equipment
M M
M M
L L L L L L L L M M M
M M M M M M M M M M M M
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4
3
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