Figure 37: Open Ring Scenario - interconnection node
The minimum configuration required for configuring G.8032 at Router C (Open ring – Router C):
interface <ifname1.1> l2transport
encapsulation dot1q X1
interface <ifname1.10> l2transport
encapsulation dot1q Y1
interface <ifname2.10> l2transport
encapsulation dot1q Y1
interface <ifname3.10> l2transport
encapsulation dot1q Y1
l2vpn
ethernet ring g8032 <ring-name>
port0 interface <main port ifname1>
port1 interface none #? This router is connected to an interconnection node
open-ring #? Mandatory when a router is part of an open-ring
instance <1-2>
inclusion-list vlan-ids X1-Y1
aps-channel
Port0 interface <ifname1.1>
Port1 none #? This router is connected to an interconnection node
bridge group bg1
bridge-domain bd-aps#? APS-channel has its own bridge domain
<ifname1.1> #? There is only one APS-channel at the interconnection node
bridge-domain bd-traffic #? Data traffic has its own bridge domain
<ifname1.10>
<ifname2.10>
<ifname3.10>
Configuring the Node of an Open Ring: Example
This example shows you how to configure the node part of an open ring. The following figure illustrates an
open ring scenario.
L2VPN and Ethernet Services Configuration Guide for Cisco ASR 9000 Series Routers, IOS XR Release 6.3.x
345
Implementing Multipoint Layer 2 Services
Configuring the Node of an Open Ring: Example
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