From router log - note that this started after I reported the problem
Mon, 2012-11-19 10:13:10 - LCP down.
Mon, 2012-11-19 10:13:12 - Initialize LCP.
Mon, 2012-11-19 10:13:12 - LCP is allowed to come up.
Mon, 2012-11-19 10:14:12 - Initialize LCP.
Mon, 2012-11-19 10:14:12 - LCP is allowed to come up.
Mon, 2012-11-19 10:14:13 - CHAP authentication success
Mon, 2012-11-19 10:14:22 - LCP down.
Mon, 2012-11-19 10:14:24 - Initialize LCP.
Mon, 2012-11-19 10:14:24 - LCP is allowed to come up.
Mon, 2012-11-19 10:14:27 - CHAP authentication success
Edited by deleted (Mon 19-Nov-12 10:39:38)