Which is a difference between OSPFv2 and OSPFv3?
- OSPFv3 does not have built in support for neighbor authentication.
- OSPFv3 uses different packet types than OSPFv2.
- OSPFv3 uses a 128-bit router ID.
- OSPFv3 and OSPFv2 use different protocol ID numbers.
| Answers Explanation & Hints:
OSPFv2 has built in support for neighbor authentication which OSPFv3 does not. OSPFv3 relies on IPsec for neighbor authentication. |