Description: A configuration variable comprised of nibbles i.e. 4 bits, such that a client can supply a list of 0 to 8 selections. The least significant nibble is the first value of the list, and the most significant nibble is the last value. The value in each field ranges from 0 to 15, however the first nibble with value 0 indicates the end of the list. Repetition of values is not allowed. Segregation of values is not allowed.

Valid Values are: none - 0 pap - 1 chap - 2 eap - 3

Example valid encoding: 0x00000321 0x00000012

Not a valid encoding: 0x00000121 0x01002001

If authentication negotiation is not supported for this PPP interface and With read-create maximum access, then any attempt to explicitly set this object will result in a notWritable error and it will be implicitly set to the DEFVAL on row creation. Setting this object to null will set jnxPppMlPppLinkConfigAuthenticatorVirtualRouter object to an empty string.Setting this object along with the jnxPppMlPppLinkConfigAuthentication object will return an i nconsistentValue error.