lock
#debug 10
#kdebug 7
proxyarp
bsdcomp 15
ms-dns 192.168.1.253
192.168.1.253:
ipcp-accept-local
ipcp-accept-remote
lcp-echo-failure 10
lcp-echo-interval 5
noauth
-pap
+chap
nodefaultroute
modem
callback server
============================
cat /etc/ppp/options.ttyS0
lock
auth
modem
crtscts
refuse-chap
require-pap
mtu 576
mru 576
proxyarp
192.168.1.14:192.168.1.100
ms-dns 192.168.1.14