Shulou(Shulou.com)06/01 Report--

The experimental results show that there are two authentication methods in PPP: pap and chap, which can be used alone or in combination. And one-way authentication can be carried out as well as two-way authentication.

Pap verifies whether the remote user name and password match. Chap sends a challenge packet, and then the remote end uses md5 to calculate the user name and password of its own database and returns a value, and then verifies whether the value is consistent with the calculated value at the sender.

Basic configuration of the router:

Configure PAP authentication:

Verify PAP authentication

Configure CHAP authentication:

Verify CHAP:

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