cisco — Example: Enabling Layer 3 External Connectivity with MPLS Layer 3 VPN through iBGP

The following example shows the output for the show bgp vpnv4 unicast all command on border VTEP for the IP address of host device 1: Border_VTEP# show bgp vpnv4 unicast all 10.1.101.2 BGP routing table entry for 1:1:10.1.101.2/32, version 10 Paths: (1 available, best #1, table green) 3 Refresh Epoch 1 Local, (Received from a RR-client), imported path from [2][172.16.254.4:101][0][48][44D3CA286CC1][32][10.1.101.2]/24 (global) Advertised to update-groups: 172.16.254.4 (metric 3) (via default) from 172.16.255.1 (172.16.255.1) Origin incomplete, metric 0, localpref 100, valid, internal, best Extended Community: RT:1:1 ENCAP:8 Router MAC:7C21.0DBD.9548 Originator: 172.16.255.4, Cluster list:

172.16.255.1 Local vxlan vtep: vrf:green, vni:50901 local router mac:0C75.BD67.EF48 encap:8 vtep-ip:172.16.254.6 bdi:Vlan901 Remote VxLAN: Topoid 0x4(vrf green) Remote Router MAC:7C21.0DBD.9548 Encap 8 Egress VNI 50901 RTEP 172.16.254.4 mpls labels in/out IPv4 VRF Aggr:34/nolabel rx pathid: 0, tx pathid: 0x0 Updated on May 20 2020 19:23:11 UTC Spine Switch The following example shows the output for the show bgp l2vpn evpn route-type command for route type 5 on spine switch: Spine_switch# show bgp l2vpn evpn route-type 5 0 10.1.255.103 32 BGP routing table entry for [5][1:1][0][32][10.1.255.103]/17, version 12 Paths: (1 available, best #1, table EVPN-BGP-Table) Advertised to update-groups:

1 Refresh Epoch 1 Local, (Received from a RR-client) Origin incomplete, metric 0, localpref 100, valid, internal, best EVPN ESI: 00000000000000000000, Gateway Address: 0.0.0.0, VNI Label 50901, MPLS VPN Label 0 172.16.254.6 (metric 2) (via default) from 172.16.255.6 (172.16.255.6) Extended Community: RT:1:1 ENCAP:8 Router MAC:0C75.BD67.EF48 Originator: 172.16.255.103, Cluster list: 172.16.255.6 rx pathid: 0, tx pathid: 0x0 net: 0x7F54CC99CEF8, path: 0x7F54CC9AD310, pathext: 0x7F54CC9C6998 flags: net: 0x0, path: 0x3, pathext: 0x81 Updated on May 20 2020 19:28:59 UTC The following example shows the output for the show bgp l2vpn evpn route-type command for route type 2 on spine switch:

Configuring EVPN VXLAN External Connectivity Example: Enabling Layer 3 External Connectivity with MPLS Layer 3 VPN through iBGP Configuring EVPN VXLAN External Connectivity 29