I managed to get the connection works using the PAP for ppp authentication but somehow confused with the infos from the said doc.
It says :-
rtp.cisco.com Password = "cisco"
Service-Type = Outbound-User,
cisco-avpair = "vpdn:tunnel-id=DEFGH",
cisco-avpair = "vpdn:tunnel-type=l2tp",
cisco-avpair = "vpdn:ip-addresses=10.31.1.9",
cisco-avpair = "vpdn:l2tp-tunnel-password=ABCDE"
My qeustion is, where does the password "cisco" defined in the RAS (LAC). Is it a default value ? Can it be changed ?
I also failed at L2TP tunnel establishment stage when using CHAP for ppp authentication. From RADIUS debug (Free Radius), it looks like RAS (LAC) is supplying a PAP style attribute "User password" instead of "CHAP password" although configured for CHAP.
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