Ethernet OAM according to IEEE 802.3ah is used by ISPs to monitor an Ethernet-based last mile, for example, in FTTH or VDSL2 access.
For this purpose, the active side, usually representing the ISP side, regularly transmits OAM packets (OAM Protocol Data Units – OAMPDUs). The passive side, usually representing the CPE side, responds to these OAMPDUs and replies. This verifies the reachability of the other side. This process is called OAM Discovery.
Connectivity Fault Management (CFM) according to IEEE 802.1ag / ITU-T Y.1731 is a collection of protocols and tools for so-called OAM on Layer 2. CFM is used for monitoring and fault analysis in LANs, bridges, or Ethernet-based WANs.
In LANconfig, you can configure OAM under .
