Could any one say about OAM feature in Juniper Devices ?
What exactly OAM does?
OAM as the name suggests stands for Operation, Administration and Management. This feature is mostly used in following areas:
1. Ethernet OAM
2. MPLS OAM
Ethernet OAM - This again has 2 parts:
a. LFM - link fault management which is usually used between direct links. - IEEE 802.3ah
b. CFM - connectivity fault management which is usually used across the domains. - IEEE 802.1ag
CFM can be used at two levels:
MPLS OAM - This is nothing but configuring BFD for MPLS LSPs: