11
C h a p t e r
Ethernet OAM
Configuration
Table of Contents
802.3ah Overview .............................................................89
Configuring 802.3ah ..........................................................91
CFM Configuration .............................................................94
802.3ah Overview
IEEE 802.3ah is management of "link" level. It monitors and fault
process Point to Point ethernet link. Sometimes "Detection of the
last mile" means that. Link layer
OAM
is mainly used in Point to
Point direct-connect link detection.
Overview
Figure 24
views the location of OAM in ISO/IEC OSI reference mod-
ule. LLC( logical link control ) or other MAC client layer are above
OAM, MAC layer or optional MAC control sub-layer are below OAM.
OAM layer is optional. OAM function mainly includes the following
three functions:
F
24 OAM
-
ISO/IEC OSI R
M
IGURE
SUB
LAYER IN
EFERENCE
ODULE
R
ELATIONSHIP
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Remote discovery
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