82 | 802.1ag
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Implementation Information
• Since the S-Series has a single MAC address for all physical/LAG interfaces, only one MEP is allowed
per MA (per VLAN or per MD level).
Configure CFM
Configuring CFM is a five-step process:
1. Configure the ecfmacl CAM region using the
cam-acl command. See Configure Ingress Layer 2 ACL
Sub-partitions.
2. Enable Ethernet CFM. See page 83.
3. Create a Maintenance Domain. See page 83.
4. Create a Maintenance Association. See page 84.
5. Create Maintenance Points. See page 84.
6. Use CFM tools:
a Continuity Check Messages on page 87
b Loopback Message and Response on page 88
c Linktrace Message and Response on page 88
Related Configuration Tasks
• Enable CFM SNMP Traps. on page 90
• Display Ethernet CFM Statistics on page 91
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