Which configuration for implementing 6PE on an IS-IS-enabled Cisco IOS XR router is correct? A. interface GigabitEthernet0/0/0/0ipv6 address 2001:DB8:DD11::1/64router isis ipv6-tunnet 49.0000.0000.00010.00address-family ipv6 unicastsingletopologyredistribute bgp 200interface GigabitEthernet0/0/0/0address-family ipv6 unicastrouter bgp 200bgp router-id 209.165.202.129address-family ipv4 unicastaddress-family ipv6 unicastredistribute isis ipv6-tunneighbor 209.165.202.130remote-as…