이제 ppp를 설정해 줄 것이다 /etc/ppp/options 파일일에서 아래 부분과 같이 주석을 해제하고 수정해 준다
# Define the DNS server for the client to use
ms-dns 8.8.8.8
# async character map should be 0
asyncmap 0
# Require authentication
auth
# Use hardware flow control
crtscts
# We want exclusive access to the modem device
lock
# Require the client to authenticate with pap
+pap
# Heartbeat for control messages, used to determine if the client connection has dropped
lcp-echo-interval 30
lcp-echo-failure 4
# Cache the client mac address in the arp system table
proxyarp
# Disable the IPXCP and IPX protocols.
noipx
이제 /etc/ppp/options.ttyACM0 를 아래 내용으로 생성해 준다
local
lock
nocrtscts
192.168.32.1:192.168.32.105
netmask 255.255.255.0
noauth
proxyarp
lcp-echo-failure 60