Juniper JUNOS OS 10.4

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Router 2’s east control channel interface is ge-1/0/2.1 (the RPL) and the west control
channel interface is ge-1/2/1.1. The protection group is pg102.
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Router 3’s east control channel interface is ge-1/0/3.1 (the RPL) and the west control
channel interface is ge-1/0/4.1. The protection group is pg103.
NOTE: Although not strictly required for physical ring protection, this example
configures Ethernet OAM with MEPs.
Router 1 (RPL Owner) Configuration
To configure Router 1 (the RPL owner):
1. Configure the interfaces:
[edit]
interfaces {
ge-1/0/1 {
vlan-tagging;
encapsulation flexible-ethernet-services;
unit 1 {
encapsulation vlan-bridge;
vlan-id 100;
}
}
ge-1/2/4 {
vlan-tagging;
encapsulation flexible-ethernet-services;
unit 1 {
encapsulation vlan-bridge;
vlan-id 100;
}
}
}
2. Configure the bridge domain:
[edit]
bridge-domains {
bd1 {
domain-type bridge;
interface ge-1/2/4.1;
interface ge-1/0/1.1;
}
}
3. Configure the Ethernet ring protection group:
[edit]
protocols {
protection-group {
ethernet-ring pg101 {
node-id 00:01:01:00:00:01;
ring-protection-link-owner;
east-interface {
149Copyright © 2012, Juniper Networks, Inc.
Chapter 13: Ethernet Ring Protection