• HMAC-SHA
    • OSPFv2 enhancement
    • For Type 2 Cryptographic Auth
      • Keyed-md5
      • SHA-1
      • SHA-256
      • SHA-384
      • SHA-512
  • OSPF Auth now supports multiple keys, automatic time-based key rotation, and singel key chain for multiple interfaces.
  • Backwards compatible with interface level MD5
    • Keys still must match.

Configuration:

Key Chain:

Interface:

When applying/upgrading the key chain and interface configurations, make sure the message-digest configuration is removed.

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