單項(xiàng)選擇題

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

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