Cisco ASR 9000 Series

/* DCI Configuration */
/* Configure Network Virtualization Endpoint (NVE) Interface */
Router# configure
Router(config)# interface nve 40
Router(config-if)# member vni 40002
Router(config-if)# host-reachability protocol bgp
Router(config-if)# source-interface loopback 40
Router(config-if)# anycast source-interface Loopback41
Router(config-if)# ingress-replication protocol bgp
Router(config-if)# commit
/* Configure a Bridge Domain */
Router# configure
Router(config)# l2vpn
Router(config-l2vpn)# bridge group bg1
Router(config-l2vpn-bg)# bridge-domain bd2
Router(config-l2vpn-bg-bd)# evi 40
Router(config-l2vpn-bg-bd-evi)# exit
Router(config-l2vpn-bg-bd)# member vni 40002
Router(config-l2vpn-bg-bd-vni)# commit
/* Configure Ethernet Segment Identifier */
Router# configure
Router(config)# evpn
Router(config-evpn)# interface nve 40
Router(config-evpn-ac)# ethernet-segment
Router(config-evpn-ac-es)# identifier type 0 28.28.28.00.00.40.00.00.13
Router(config-evpn-ac-es)# bgp route-target 200:40000 stitching
Router(config-evpn-ac-es)# commit
/* Configure the routing sessions between the DCI and ToR */
Router# configure
Router(config)# router bgp 100
Router(config-bgp)# bgp router-id 192.168.0.4
Router(config-bgp)# address-family l2vpn evpn
Router(config-bgp-af)# exit
Router(config-bgp)# neighbor 15.15.15.5 -------> ToR ebgp neighbour
Router(config-bgp-nbr)# remote-as 200
Router(config-bgp-nbr)# ebgp-multihop 255
Router(config-bgp-nbr)# address-fmaily l2vpn evpn
Router(config-bgp-nbr-af)# import stitching-rt reoriginate
Router(config-bgp-nbr-af)# route-policy pass-all in
Router(config-bgp-nbr-af)# encapsulation-type vxlan
Router(config-bgp-nbr-af)# route-policy pass-all out
Router(config-bgp-nbr-af)# advertise l2vpn evpn re-originated stitching-rt
Router(config-bgp-nbr-af)# commit
Router(config-bgp-nbr-af)# exit
!
Router(config-bgp)# neighbor 192.168.0.2 -------> DCI BGP neighbour
Router(config-bgp-nbr)# remote-as 100
Router(config-bgp-nbr)# update-source Loopback0
Router(config-bgp-nbr)# address-fmaily l2vpn evpn
Router(config-bgp-nbr-af)# import stitching-rt reoriginate
Router(config-bgp-nbr-af)# advertise l2vpn evpn re-originated stitching-rt
Router(config-bgp-nbr-af)# commit
L2VPN and Ethernet Services Configuration Guide for Cisco ASR 9000 Series Routers, IOS XR Release 6.3.x
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EVPN Features
Configure EVPN VXLAN Ingress Replication