Cisco OL-21636-01 - Manual (Page 367)

D-5
Cisco IP Solution Center L2VPN and Carrier Ethernet User Guide, 6.0
OL-21636-01
Appendix D Terminating an Access Ring on Two N-PEs
Additional Network Configurations and Sample Configlets
the N-PE of the single-homed ring, and the secondary PW will connect the secondary N-PE of
the dual-homed ring with the N-PE of the single-homed ring. ISC will issue a warning message
if you try to save the service request without enabling the Pseudowire Redundancy option.
Additional Network Configurations and Sample Configlets
This section provides additional network scenarios for reference, along with sample configlets for
associated network devices.
Example 1: Pseudowire Connectivity (A)
Figure D-5 illustrates a network configuration with pseudowire connectivity with dual-homed N-PEs on
both sides of the network and with pseudowire redundancy.
Figure D-5 Pseudowire Connectivity, Dual-Homed N-PEs on Both Sides of the Network, with
Pseudowire Redundancy
Sample configlets for the devices are provided below.
Data Pseudowire
Secondary Edge
Blocked Segment
Control Pseudowire
Primary VC ID
Backup VC ID
PE2 PE4
PE1 PE3
R1
R2
R3
R4
R5
Primary Edge
204864