Таже проблема, вот лог
Код:
Jan 1 00:03:49   syslog   emerg   BCM96345 started: BusyBox v1.00 (2010.08.16-07:19+0000) 
Jan 1 00:03:49   user   debug   syslog: echo 0 > /var/isdft_cfg 
Jan 1 00:03:49   user   notice   kernel: klogd started: BusyBox v1.00 (2010.08.16-07:19+0000) 
Jan 1 00:03:59   user   debug   syslog: mkdir -p /var/ppp/peers 
Jan 1 00:03:59   user   debug   syslog: echo "#!/bin/sh" > /var/ppp/ip-up.local 
Jan 1 00:03:59   user   debug   syslog: echo "#!/bin/sh" > /var/ppp/ip-down.local 
Jan 1 00:03:59   user   debug   syslog: echo "route add default dev \$1" >> /var/ppp/ip-up.local 
Jan 1 00:03:59   user   debug   syslog: echo "route del default dev \$1" >> /var/ppp/ip-down.local 
Jan 1 00:03:59   user   debug   syslog: echo "iptables -t nat -A POSTROUTING -o \$1 -j MASQUERADE" >> /var/ppp/ip-up.local 
Jan 1 00:03:59   user   debug   syslog: echo "iptables -A FORWARD -o \$1 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu" >> /var/ppp/ip-up.local 
Jan 1 00:03:59   user   debug   syslog: echo "iptables -A FORWARD -i \$1 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu" >> /var/ppp/ip-up.local 
Jan 1 00:03:59   user   debug   syslog: chmod +rx /var/ppp/ip-up.local 
Jan 1 00:03:59   user   debug   syslog: echo "iptables -t nat -D POSTROUTING -o \$1 -j MASQUERADE" >> /var/ppp/ip-down.local 
Jan 1 00:03:59   user   debug   syslog: echo "iptables -D FORWARD -o \$1 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu" >> /var/ppp/ip-down.local 
Jan 1 00:03:59   user   debug   syslog: echo "iptables -D FORWARD -i \$1 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu" >> /var/ppp/ip-down.local 
Jan 1 00:03:59   user   debug   syslog: chmod +rx /var/ppp/ip-down.local 
Jan 1 00:03:59   user   debug   syslog: pppd call vpnuser 
Jan 1 00:03:59   user   debug   syslog: echo 0 > /var/isdft_cfg 
Jan 1 00:04:01   daemon   notice   pppd[1211]: pppd 2.4.3 started by admin, uid 0 
Jan 1 00:04:01   daemon   info   pppd[1211]: Using interface ppp0 
Jan 1 00:04:01   daemon   crit   pppd[1211]: Connect: ppp0 <--> /dev/ttyp0 
Jan 1 00:04:02   daemon   warn   pppd[1211]: Warning - secret file /etc/ppp/pap-secrets has world and/or group access 
Jan 1 00:04:17   daemon   notice   pppd[1211]: Modem hangup 
Jan 1 00:04:17   daemon   crit   pppd[1211]: Connection terminated.... 
Jan 1 00:04:17   daemon   info   pppd[1211]: Using interface ppp0 
Jan 1 00:04:17   daemon   crit   pppd[1211]: Connect: ppp0 <--> /dev/ttyp0 
Jan 1 00:04:18   daemon   warn   pppd[1211]: Warning - secret file /etc/ppp/pap-secrets has world and/or group access 
Jan 1 00:04:33   daemon   notice   pppd[1211]: Modem hangup 
Jan 1 00:04:33   daemon   crit   pppd[1211]: Connection terminated.... 
Jan 1 00:04:33   daemon   info   pppd[1211]: Exit. 
Jan 1 00:04:42   user   notice   igmp[801]: setsockopt IP_MSFILTER
Пробовал на 1.18 и 1.17