rtxシリーズ
手順 [#nfb449c4]
ip route default gateway XXX.YYY.ZZZ.RRR
ip lan1 address 192.168.1.10/24
ip lan2 address XXX.YYY.ZZZ.10/24
ip lan2 nat descriptor 1
nat descriptor type 1 masquerade
nat descriptor address outer 1 XXX.YYY.ZZZ.10
nat descriptor address inner 1 auto
参考URL:http://www.geocities.jp/sugachan1973/doc/funto37.html