OSPF Authentication for v2 and v3
When using the OSPF routing protocol:
OSPFv2 supports:
- plain text authentication
- MD5 authentication, based on RFC 2328
- SMAC-SHA authentication based on RFC 5709
OSPFv3 supports:
- authentication uses IPSec
- authentication trailer based on RFC 6506
https://datatracker.ietf.org/doc/html/rfc2328
https://datatracker.ietf.org/doc/html/rfc5709