2 link is always in the down state, Fault description, Fault analysis – Nortel Networks 8000 User Manual

Page 195: Troubleshooting procedure, 3 chap authentication of a ppp link fails, 2 link is always in the down state -69, 3 chap authentication of a ppp link fails -69, Link is always in the down state, Chap authentication of a ppp link fails