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Cisco Employee

Understanding CHAP in cisco routers

I was going through the doc here http://www.cisco.com/c/en/us/support/docs/wan/point-to-point-protocol-ppp/25647-understanding-ppp-chap.html to understand CHAP auth. In the transactional example, the hash in the response to the challenge packet is for 'ID + Random + password for 3640-1'. However, during CHAP verification, it is calculating the md5 of 'ID + Random + password for 766-1'. Why this anomaly which will never match ? Or is there something I missing here ?

Thanks.

  • AAA Identity and NAC
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