Thanks for Clarifying, Kam! I have same question on my staud and your answer is perfect (i did tried it and you are correct on this one).. channel-protocol is not required on this configuration as long as active/passive or desirable/auto are correctl...

I was doing tshoot on this too.. chap is succesfully connecting but when I rever back to pap, its failing.. adding "ppp pap username sent ..." does fix the issue. I just wish i saw this discussion earlier ;). but its all good, this is a good tshoot e...