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 use IPSec
- authentication trailer based on RFC 6506
Links: https://forum.networklessons.com/t/how-to-configure-ospf-plain-text-authentication/940/22?u=lagapides https://datatracker.ietf.org/doc/html/rfc2328 https://datatracker.ietf.org/doc/html/rfc5709 https://datatracker.ietf.org/doc/html/rfc6506 https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_ospf/configuration/xe-16/iro-xe-16-book/ip6-route-ospfv3-auth-ipsec.html https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_ospf/configuration/xe-16/iro-xe-16-book/iro-ospfv3-authtrailer.html