Bay Networks 6300 Supplement Manual page 139

Supplement to the remote annex administrator’s guide for unix

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Remote Annex 6300 Supplement to the Remote Annex Administrator's Guide for UNIX

Authentication Type

The authentication type speciﬁes the style of authentication. The

RA 6300 supports two authentication protocols for PPP:

Password Authentication Protocol (PAP).

Challenge-Handshake Authentication Protocol (CHAP).

Both of these protocols are run over the PPP link after the LCP

negotiations are complete.

The RA 6300 can require the peer to pass a security check before starting

NCP. The RA 6300 negotiates for the security speciﬁed by the

ppp_security_protocol parameter. Valid arguments for this parameter

pap (password authentication protocol [PAP]).

chap (challenge-handshake authentication protocol [CHAP]).

chap-pap (ﬁrst negotiate for CHAP; if peer NAKs, negotiate for

none (do not negotiate; the default).

The RA 6300 responds to an authentication request from a peer only if

ppp_password_remote and ppp_username_remote are set for

If the peer refuses a negotiation request from the RA 6300, the RA 6300

closes the link.

For a complete description of the RA 6300's implementation of these

protocols, see Using PPP Security on page A-293.

Point-to-Point Protocol (PPP)