Information About EVPN-VPWS
The EVPN-VPWS solution supports per EVI Ethernet Auto Discovery route. EVPN defines a new BGP Network Layer Reachability Information (NLRI) used to carry all EVPN routes. BGP Capabilities Advertisement used to ensure that two speakers support EVPN NLRI (AFI 25, SAFI 70) as per RFC 4760.
The architecture for EVPN VPWS is that the PEs run Multi-Protocol BGP in control-plane. The following image describes the EVPN-VPWS configuration:
Benefits of EVPN-VPWS Single Homed
Scalability is achieved without signaling pseudowires.
There is ease of provisioning.
Pseudowires (PWs) are not used.
EVPN-VPWS Single Homed leverages BGP best-path selection (optimal forwarding).
Scaling Information for EVPN-VPWS Single Homed
4000 PWs are supported on the Cisco NCS 4200.