Posts Tagged ‘pap’

Jan
13

In this post, we will examine PAP and CHAP forms of PPP authentication. The emphasis here will be on the fact that these technologies are one-way in nature. So many of my CCIE-level students believe that they must be configured in a bidirectional configuration. I guess this is because it is what traditional Cisco classes always demonstrate at the CCNA and CCNP levels.

OK – I have pre-configured two routers, R1 and R2, they are connected by their Serial 0/0 interfaces. Let us begin with R1 as a PPP PAP server, and the R2 device as the PPP PAP client. If you ALWAYS think of these technologies (PAP and CHAP) in terms of CLIENT and SERVER commands, you will be in excellent shape.

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