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Hierarchy Level


For CHAP authentication, the mapping between peer names (or “clients” ) and the secrets associated with their respective links. For PAP authentication, the peer's username and password.

For Asynchronous Transfer Mode 2 (ATM2) IQ interfaces only, you can configure a Challenge Handshake Authentication Protocol (CHAP) access profile on the logical interface unit if the logical interface is configured with one of the following PPP over ATM encapsulation types:

  • atm-ppp-llc—PPP over AAL5 logical link control (LLC) encapsulation.

  • atm-ppp-vc-mux—PPP over AAL5 multiplex encapsulation.


name—Name of the access profile.

Required Privilege Level

interface—To view this statement in the configuration.

interface-control—To add this statement to the configuration.

Release Information

Statement introduced before Junos OS Release 7.4.

Support for PAP added in Junos OS Release 8.3.

Support for VLAN and stacked VLAN ranges added in Junos OS Release 10.0.