The network setup for this trouble ticket is shown in Figure 3. Trouble Ticket Statement DSW1 and R4 cannot ping R2’s loopback or R2’s s0/0/0/0.12 IPv6 address. Initial troubleshooting showsand R2 is not an OSPFv3 neighbor on R3. Configurationon R2 ipv6 unicast-routing! ipv6 router ospf 6 router-id 2.2.2.2! interface s0/0/0/0.23 ipv6 address 2026：：1：1/122 ConfigurationR3 ipv6 unicast-routing! ipv6 router ospf 6 router-id 3.3.3.3! interface s0/0/0/0.23 ipv6 address 2026：：1：2/122 ipv6 ospf 6 area 0 Figure 3 What is the solution of the fault condition？（）

• A、Add ipv6 ospf 6 area 0 under S0/0/0/0.23 on R2
• B、Add ipv6 ospf 6 area 6 under s0/0/0/0.23 on R2
• C、Remove IPv6 address from s0/0/0/0.23 on R2
• D、Enable IPv6 routing on s0/0/0/0.23 on R2