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Example: Configuring Protection Switching Between Psuedowires


This example uses the following hardware and software components:

  • Junos OS Release 11.2 or later

  • 2 MX Series PE routers

Overview and Topology

The physical topology of the protection switching between psuedowires example is shown in Figure 1.


Figure 1: Topology of a Network Using VPWS PsuedowiresTopology of a Network Using VPWS Psuedowires

The following definitions describe the meaning of the device abbreviations used in Figure 1.

  • Customer edge (CE) device—A device at the customer site that provides access to the service provider’s VPN over a data link to one or more provider edge (PE) routers.

  • Provider edge (PE) device—A device, or set of devices, at the edge of the provider network that presents the provider's view of the customer site.



Step-by-Step Procedure

To configure protection switching between psuedowires, perform these tasks:

  1. Configure automatic protection switching.

  2. Configure the connectivity fault management.

  3. Configure the continuity check message for the working path.

  4. Configure the continuity check message for the protection path.


Check the results of the configuration: