Copyright 2025 Fsas Technologies Inc
reference
https://www.fujitsu.com/jp/documents/products/network/router/sir/example/security/common_nat1-guide.pdf

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 Si-R config
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ether 1 1 vlan untag 1
ether 2 1 vlan untag 2
lan 0 ip address 192.168.1.1/24 3
lan 0 ip route 0 192.168.2.20/32 192.168.1.10 1 1
lan 0 ip nat mode static any 1 5m
lan 0 ip nat static 0 192.168.2.10 any 192.168.1.20 any any
lan 0 ip nat destination 0 192.168.2.20 192.168.1.10
lan 0 vlan 1
lan 1 ip address 192.168.2.1/24 3
lan 1 vlan 2
syslog facility 23
time zone 0900
consoleinfo autologout 8h
telnetinfo autologout 5m
terminal charset SJIS