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AR348 - pc_evans - 02-18-2024
OSPFv2 supports IPv4, while OSPFv3 supports IPv6.
https://content.cisco.com/chapter.sjs?uri=/searchable/chapter/www.cisco.com/content/en/us/td/docs/routers/connectedgrid/cgr1000/1_0/software/configuration/guide/unicast/Unicast_Book/l3_ospfv2_cgr1000.html.xml
The server has a known IP address of 2::2/64
To be able to enable OSPFv3 on an interface, the interface must be enabled for IPv6. This occurs when the interface is configured with a global unicast IPv6 address.
https://www.ciscopress.com/articles/article.asp?p=2294214&seqNum=4
Since there is no mention of IPv6 to IPv4 NAT, we must select the option to use IPv6 to connect to the server at Center (2::2/64). This assumes that the command "ipv6 ospf 1 area 2" falls under IPv6 configruation but is still the best answer.
RE: AR348 - help_desk - 02-22-2024
The question has been corrected. Thank you!