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Chapter 20
Configuring L2 Virtual Private Networks
Command
Step 6
Router(config)# connect connection-name
interface dlci l2transport
Step 7
Router(config-fr-pw-switching)# xconnect
peer-router-id vcid encapsulation mpls
Example 20-22
Example 20-22 Frame Relay over MPSL with DLCI-to-DLCI Connections
frame-relay switching
interface Serial3/1
encapsulation frame-relay ietf
frame-relay intf-type dce
exit
connect fr1 Serial 5/0 1000 l2transport
xconnect 10.0.0.1 123 encapsulation mpls
Configuring Frame Relay over MPLS with Port-to-Port Connections
When you set up a port-to-port connection between PE routers, you use HDLC mode to transport the
Frame Relay encapsulated packets. Perform this task to set up Frame Relay port-to-port connections.
To configure Frame Relay over MPLS with port-to-port connections, enter the following commands
beginning in global configuration mode:
Command
Step 1
Router(config)# interface serial
slot/port
Step 2
Router(config-if)# encapsulation hdlc
Step 3
Router(config-if)# xconnect
peer-router-id vcid encapsulation mpls
Example 20-23
Example 20-23 Frame Relay over MPLS With Port-to-Port Connections
interface serial5/0
encapsulation hdlc
xconnect 10.0.0.1 123 encapsulation mpls
OL-2226-23
Purpose
Defines connections between Frame Relay PVCs and enters
connect submode. Using the l2transport keyword specifies that
the PVC will not be a locally switched PVC, but will be
tunneled over the backbone network.
The connection-name argument is a text string that you provide.
The interface argument is the interface on which a PVC
connection is defined.
The dlci argument is the DLCI number of the PVC that will be
connected.
Creates the VC to transport the Layer 2 packets.
In a DLCI-to DLCI connection type, Frame Relay over MPLS
uses the xconnect command in connect submode.
shows how to enable Frame Relay over MPLS with DLCI-to-DLCI connections.
Purpose
Specifies a serial interface and enters interface configuration
mode.
Specifies that Frame Relay PDUs is encapsulated in
HDLC packets.
Creates the VC to transport the Layer 2 packets.
shows how to enable Frame Relay over MPLS with port-to-port connections.
Cisco 10000 Series Router Software Configuration Guide
Configuration Tasks for L2VPN
20-29
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Troubleshooting
