Hi, I manage to ping and traceroute "www.google.com" but see the following strange syslog wrt local and remote ip address on my embedded platform when trying to use a gprs modem. Can someone please explain the LCP code: LCP ProtRej id=0x3 80 fd ...


Sep 20 12:11:36 mini6410 daemon.info pppd[1230]: Using interface ppp0
Sep 20 12:11:36 mini6410 daemon.notice pppd[1230]: Connect: ppp0 <--> /dev/ttySAC1
Sep 20 12:11:36 mini6410 daemon.debug pppd[1230]: sent [LCP ConfReq id=0x1 <asyncmap 0x20a0000> <pcomp> <accomp>]
Sep 20 12:11:36 mini6410 daemon.debug pppd[1230]: rcvd [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xe59256ec> <pcomp> <accomp>]
Sep 20 12:11:36 mini6410 daemon.debug pppd[1230]: sent [LCP ConfRej id=0x1 <magic 0xe59256ec>]
Sep 20 12:11:36 mini6410 daemon.debug pppd[1230]: rcvd [LCP ConfAck id=0x1 <asyncmap 0x20a0000> <pcomp> <accomp>]
Sep 20 12:11:36 mini6410 daemon.debug pppd[1230]: rcvd [LCP ConfReq id=0x2 <asyncmap 0x0> <pcomp> <accomp>]
Sep 20 12:11:36 mini6410 daemon.debug pppd[1230]: sent [LCP ConfAck id=0x2 <asyncmap 0x0> <pcomp> <accomp>]
Sep 20 12:11:36 mini6410 daemon.debug pppd[1230]: sent [CCP ConfReq id=0x1 <mppe -H -M -S -L -D -C> <deflate 15> <deflate(old#) 15> <bsd v1 15>]
Sep 20 12:11:36 mini6410 daemon.debug pppd[1230]: sent [IPCP ConfReq id=0x1 <compress VJ 0f 01> <addr 0.0.0.0>]
Sep 20 12:11:36 mini6410 daemon.debug pppd[1230]: rcvd [LCP ProtRej id=0x3 80 fd 01 01 00 15 12 06 00 00 00 00 1a 04 78 00 18 04 78 00 15]
Sep 20 12:11:37 mini6410 daemon.debug pppd[1230]: rcvd [IPCP ConfReq id=0x1 <addr 41.114.232.152>]
Sep 20 12:11:37 mini6410 daemon.debug pppd[1230]: sent [IPCP ConfAck id=0x1 <addr 41.114.232.152>]
Sep 20 12:11:37 mini6410 daemon.debug pppd[1230]: rcvd [IPCP ConfRej id=0x1 <compress VJ 0f 01>]
Sep 20 12:11:37 mini6410 daemon.debug pppd[1230]: sent [IPCP ConfReq id=0x2 <addr 0.0.0.0>]
Sep 20 12:11:37 mini6410 daemon.debug pppd[1230]: rcvd [IPCP ConfNak id=0x2 <addr 41.114.232.152>]
Sep 20 12:11:37 mini6410 daemon.debug pppd[1230]: sent [IPCP ConfReq id=0x3 <addr 41.114.232.152>]
Sep 20 12:11:37 mini6410 daemon.debug pppd[1230]: rcvd [IPCP ConfAck id=0x3 <addr 41.114.232.152>]
Sep 20 12:11:37 mini6410 daemon.notice pppd[1230]: local IP address 41.114.232.152
Sep 20 12:11:37 mini6410 daemon.notice pppd[1230]: remote IP address 41.114.232.152

The modem is configured to share the public IP.

thanks, i cannot see why the modem should do that, my manual setup:

stty 115200 cs8 -parenb crtscts -echo -F /dev/ttySAC1
echo 'ATZ' > /dev/ttySAC1
echo 'AT+CGDCONT=1, "IP", "internet" ' > /dev/ttySAC1
echo 'ATDT*99#' > /dev/ttySAC1
echo '/d/c' > /dev/ttySAC1
pppd debug lock modem crtscts /dev/ttySAC1 115200 \
nomagic noauth noipdefault defaultroute holdoff 10