For the first time I'm having difficulty establishing Linux ppp connections, with a recently opened ISP account. pppconfig has done well enough on my numerous previous setups, with only an occasional script tweak, that I've never had to debug Linux ppp connections before. If I keep trying (without changing my config) I eventually get a good connection, ~1 in 4 times.
kernel 2.0.36 pppd version 2.3 patch level 5 (I have also tried kernel 2.2.10 pppd 2.3.8; in that case, only ~1 in 10 attempts is successful.) Aug 4 06:57:15 cy4 pppd[180]: Serial connection established. Aug 4 06:57:16 cy4 pppd[180]: Using interface ppp0 Aug 4 06:57:16 cy4 pppd[180]: Connect: ppp0 <--> /dev/modem Aug 4 06:57:16 cy4 pppd[180]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x8879ba70> <pcomp> <accomp>] Aug 4 06:57:43 cy4 last message repeated 9 times Aug 4 06:57:46 cy4 pppd[180]: LCP: timeout sending Config-Requests Aug 4 06:57:46 cy4 pppd[180]: Connection terminated. Aug 4 06:57:47 cy4 pppd[180]: Exit. A successful connection for comparison: Aug 4 15:05:00 cy4 pppd[616]: Serial connection established. Aug 4 15:05:01 cy4 pppd[616]: Using interface ppp0 Aug 4 15:05:01 cy4 pppd[616]: Connect: ppp0 <--> /dev/modem Aug 4 15:05:01 cy4 pppd[616]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x5a93463a> <pcomp> <accomp>] Aug 4 15:05:01 cy4 pppd[616]: rcvd [LCP ConfReq id=0x1 <mru 1500> <asyncmap 0x0> <magic 0x92580abd> <pcomp> <accomp>] Aug 4 15:05:01 cy4 pppd[616]: sent [LCP ConfAck id=0x1 <mru 1500> <asyncmap 0x0> <magic 0x92580abd> <pcomp> <accomp>] Aug 4 15:05:04 cy4 pppd[616]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x5a93463a> <pcomp> <accomp>] Aug 4 15:05:04 cy4 pppd[616]: rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0x5a93463a> <pcomp> <accomp>] Aug 4 15:05:05 cy4 pppd[616]: sent [IPCP ConfReq id=0x1 <addr 0.0.0.0> <compress VJ 0f 01>] Aug 4 15:05:05 cy4 pppd[616]: rcvd [IPCP ConfNak id=0x1 <addr 209.239.4.32>] Aug 4 15:05:05 cy4 pppd[616]: sent [IPCP ConfReq id=0x2 <addr 209.239.4.32> <compress VJ 0f 01>] Aug 4 15:05:05 cy4 pppd[616]: rcvd [IPCP ConfAck id=0x2 <addr 209.239.4.32> <compress VJ 0f 01>] Aug 4 15:05:08 cy4 pppd[616]: rcvd [IPCP ConfReq id=0x1 <addr 10.1.1.29> <compress VJ 0f 01>] Aug 4 15:05:08 cy4 pppd[616]: sent [IPCP ConfAck id=0x1 <addr 10.1.1.29> <compress VJ 0f 01>] Aug 4 15:05:08 cy4 pppd[616]: local IP address 209.239.4.32 Aug 4 15:05:08 cy4 pppd[616]: remote IP address 10.1.1.29 Aug 4 15:10:13 cy4 pppd[616]: Terminating on signal 15. Aug 4 15:10:13 cy4 pppd[616]: sent [LCP TermReq id=0x2 "User request"] Aug 4 15:10:13 cy4 pppd[616]: rcvd [LCP TermAck id=0x2] Aug 4 15:10:13 cy4 pppd[616]: Connection terminated. Aug 4 15:10:14 cy4 pppd[616]: Exit. any tips?