ZyXEL Communications 153X user manual 9 shows a trace example where authentication failed

Prestige 153/153X WAN Bridge/Routers

Figure 13-8 shows an example of a successful connection after selecting option [3. Manual Call] in Menu 24.4.

Start dialing for node <1>

### Hit any key to continue. ###

Dialing chan<2> phone<last 9-digit>:40101 Call CONNECT speed<64000> chan<2> prot<1> LCP up

CHAP send response

CHAP login to remote OK! IPCP negotiation started IPCP up

Figure 13-8. Trace Display for a Successful IPCP Connection Via Manual Call

Figure 13-9 shows a trace example where authentication failed.

Strat dialing for node <1>

### Hit any key to continue. ###

Dialing chan<2> phone<last 9-digit>:40101 Call CONNECT speed<64000> chan<2> prot<1> LCP up

CHAP send response

***Login to remote failed. Check name/passwd. Receive Terminal REQ

IPCP down

Line Down chan<2>

Figure 13-9. Trace Display for a Failed Authentication

System Maintenance 13-11