Appendix B: Log Messages

EAP authen failed level 3

The PPP peer has rejected the Express L768/L1.5’s username and/or pass- word used for authenticating. Check to make sure the Configuration/Con- nection List/Authentication parameters Tx Method, Tx Username, and Tx Password are correct.

IPCP <X> down level 5

IP Control Protocol port <X> has been dropped between Express L768/L1.5 and PPP peer.

IPCP <X> up level 5

IP Control Protocol port <X> has been successfully negotiated between Ex- press L768/L1.5 and PPP peer.

IPXCP <X> down level 5

IPX Control Protocol port <X> has been dropped between Express L768/L1.5 and PPP peer.

IPXCP <X> up level 5

IPX Control Protocol port <X> has been successfully negotiated between Ex- press L768/L1.5 and PPP peer.

LCP <X> down level 5

Link Control Protocol port <X> has been dropped between Express L768/L1.5 and PPP peer.

LCP <X> up level 5

Link Control Protocol port <X> has been successfully negotiated between Ex- press L768/L1.5 and PPP peer.

Link is looped back level 3

The Express L768/L1.5 has dialed a location which is looping back all data. Essentially, it has negotiated PPP with itself.

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ADTRAN L768 user manual Appendix B Log Messages