A. mpls ldp traffic-eng level-1-2
mpls traffic-eng router-id 1.1.1.1
router isis TEST
interface Ten 0/0/0/0
address-family ipv4 unicast

B. mpls ldp
router isis TEST
interface Ten 0/0/0/0
address-family ipv4 unicast
mpls traffic-eng level-1-2
mpls traffic-eng router-id 1.1.1.1

C. router isis TEST
net 49.0001.0001.0001.0001.00
address-family ipv4 unicast
metric-style wide
mpls traffic-eng router-id 1.1.1.1
mpls traffic-eng level-1-2
interface Ten 0/0/0/0
address-family ipv4 unicast

D. router isis TEST
net 49.0001.0001.0001.0001.00
address-family ipv4 uni
metric-style wide
interface Ten 0/0/0/0
address-family ipv4 unicast
mpls traffic-eng router-id 1.1.1.1
mpls traffic-eng level-1-2