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CHAPTER
10-1
Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
10
Configuring Ethernet OAM
Ethernet Operations, Administration, and Maintenance (OAM) is a protocol for installing, monitoring,
and troubleshooting ethernet networks, to increase management capability within the context of the
overall Ethernet infrastructure.
The Cisco ASR 901 router supports:
• IEEE 802.3ah Ethernet OAM discovery, link monitoring, remote fault detection, and remote
loopback.
• IEEE 802.1ag Connectivity Fault Management (CFM)
• Ethernet Local Management Interface (E-LMI)
• IP Service Level Agreements (SLAs) for CFM
• ITU-T Y.1731 fault management
This chapter provides information about configuring the Ethernet OAM, CFM and E-LMI and also
enabling Ethernet Loopback.
For complete command and configuration information for Ethernet OAM see the Cisco IOS Carrier
Ethernet Configuration Guide at this URL:
http://www.cisco.com/en/US/docs/ios-xml/ios/cether/configuration/12-2sr/ce-12-2sr-book.html
Note The Cisco ASR 901 router does not necessarily support all of the commands listed in the Cisco IOS
Carrier Ethernet documentation.
Note Cisco ASR 901 does not support CFM pre-draft version.
Contents
• Understanding Ethernet CFM, page 10-2
• Configuring Ethernet CFM, page 10-2
• Configuring CFM over EFP with Cross Connect, page 10-19
• Configuring Y.1731 Fault Management, page 10-26
• Managing and Displaying Ethernet CFM Information, page 10-30
• Understanding the Ethernet OAM Protocol, page 10-32
• Setting Up and Configuring Ethernet OAM, page 10-35