Authentication in EIGRP

Just like any other routing protocol EIGRP also supports authentication for better security.

EIGRP supports 2 authentication methods.

  1. Keychain based MD5 authentication is supported on classic as well as named mode.
  2. SHA authentication is supported only on named mode.

For SHA authentication key chain configuration is not required.

We will discuss in depth on these authentication methods in the upcoming posts.

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