Copyright 2024 Fsas Technologies Inc
reference
https://www.fujitsu.com/jp/documents/products/network/router/sir/example/internet/internet_sim-guide.pdf

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 Si-R config
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ether 1 1 use off
ether 2 1-4 vlan untag 10
pseudo-ether 1 description SIM
pseudo-ether 1 use on
pseudo-ether 1 bind wwan 1
pseudo-ether 1 vlan untag 2
sim 1 use on 1
sim 1 prio main
sim apn 1 name apn user id@isp password pwd@isp
sim apn 1 auth pap/chap
sim apn 1 protocol ipv4
lan 0 ip dhcp service client
lan 0 ip route 0 default dhcp 1 1
lan 0 ip nat mode multi any 1 5m
lan 0 vlan 2
lan 1 ip address 192.168.1.1/24 3
lan 1 ip dhcp service server
lan 1 ip dhcp info dns 192.168.1.1
lan 1 ip dhcp info address 192.168.1.2/24 253
lan 1 ip dhcp info time 1d
lan 1 ip dhcp info gateway 192.168.1.1
lan 1 vlan 10
syslog pri error,warn,info
syslog facility 23
time zone 0900
proxydns domain 0 any * any dhcp lan0
proxydns address 0 any dhcp lan0
consoleinfo autologout 8h
telnetinfo autologout 5m
terminal charset SJIS