Which Cisco IOS XR configuration creates an L2VPN using BGP as auto-discovery and LDP a signaling?
A. l2vpn bridge group bg1 bridge-domain bg1_bd1 interface gig0/6/0/1.1
!
vfi bg1_db1_vifi vpn-id 101 auto discovery bgp rd 101:1 route-target 101:1 signaling-protocol ldp vpls-id 1:101
B. l2vpn bridge group bg1 bridge-domain bg1_bd1 interface gig0/6/0/1.1
!
vfi bg1_db1_vifi vpn-id 111 auto discovery bgp rd auto route-target 111:1 signaling-protocol
ldp ve-id 3
C. l2vpn bridge group bg1 bridge-domain bg1_bd1 interface gig0/6/0/1.1
!
vfi bg1_db1_vifi vpn-id 111 auto discovery ldp rd auto route-target auto signaling-protocol ldp
vpls-id auto
D. l2vpn bridge group bg1 bridge-domain bg1_bd1 interface gig0/6/0/1.123
!
vfi bg1_db1_vifi vpn-id 123 auto discovery bgp rd 123:3 route-target auto signaling-protocol ldp vpls-id 3
