Juniper JUNOS OS 10.4 Manual page 173

Copyright © 2012, Juniper Networks, Inc.
bridge-domains {
bd1 {
domain-type bridge;
interface ge-1/0/4.1;
interface ge-1/0/3.1;
}
}
Configure the Ethernet protection group:
3.
[edit]
protocols {
protection-group {
ethernet-ring pg103 {
east-interface {
control-channel ge-1/0/3.1;
}
west-interface {
control-channel ge-1/0/4.1;
}
}
}
}
Configure Ethernet OAM:
4.
[edit]
protocols {
oam {
ethernet {
connectivity-fault-management {
action-profile rmep-defaults {
default-action {
interface-down;
}
}
maintenance-domain d2 {
level 0;
maintenance-association 100 {
mep 2 {
interface ge-1/0/4;
remote-mep 1 {
action-profile rmep-defaults;
}
}
}
}
maintenance-domain d3 {
level 0;
maintenance-association 100 {
mep 2 {
interface ge-1/0/3;
remote-mep 1 {
action-profile rmep-defaults;
}
}
}
Chapter 13: Ethernet Ring Protection
153