Which Cisco IOS XR command should be used in order to enable LDP-IGP synchronization for
the ISIS IGP protocol?
A.
RP/0/RSP0/CPU0:R1(config-isis-if-af)#mpls ldp sync
B.
RP/0/RSP0/CPU0:R1(config-isis)#mpls ldp sync
C.
RP/0/RSP0/CPU0:R1(config-ldp)#isis ldp sync
D.
LDP-IGP synchronization is not supported for the ISIS IGP protocol on Cisco IOS XR platforms
Explanation:
http://www.cisco.com/c/en/us/td/docs/routers/xr12000/software/xr12k_r4-2/mpls/configuration/guide/b_mpls_cg42xr12k/b_mpls_cg42xr12k_chapter_01.html#task_1166228
1. configure
2. router isis
3. interface
4. address-family ipv4 unicast
5. mpls ldp sync
6. end or commit