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Chapter 43
Configuring IEEE 802.1ag OAM
Connectivity-Fault Management
IEEE 802.1ag OAM Connectivity Fault Management Overview
IEEE 802.1ag OAM Connectivity Fault Management Overview on page 703
Creating the Maintenance Domain on page 705
Configuring Maintenance Intermediate Points on page 706
Creating a Maintenance Association on page 708
Continuity Check Protocol on page 708
Configuring a Maintenance Endpoint on page 709
Configuring a Connectivity Fault Management Action Profile on page 712
Configuring Linktrace Protocol in CFM on page 715
Configuring Ethernet Local Management Interface on page 715
Configuring Port Status TLV and Interface Status TLV on page 723
Configuring M120 and MX Series Routers for CCC Encapsulated
Packets on page 734
Configuring Rate Limiting of Ethernet OAM Messages on page 735
Ethernet interfaces on M7i and M10i routers with the Enhanced Forwarding Engine
Board and on M120, M320, MX Series, and T Series routers support the IEEE 802.1ag
standard for Operation, Administration, and Management (OAM). The IEEE 802.1ag
specification provides for Ethernet connectivity-fault management (CFM). The goal
of CFM is to monitor an Ethernet network that may comprise one or more service
instances. JUNOS Software supports IEEE 802.1ag connectivity fault management.
Network entities such as operators, providers, and customers may be part of different
administrative domains. Each administrative domain is mapped into one maintenance
domain. Maintenance domains are configured with different level values to keep
them separate. Each domain provides enough information for the entities to perform
their own management, perform end-to-end monitoring, and still avoid security
breaches.
IEEE 802.1ag OAM Connectivity Fault Management Overview
703
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