>>166
ルーティングで設定した方が良くない？

ip route default gateway pp 1 filter 1002 gateway filter 1001

ip filter 1001 pass 192.168.100.1-192.168.100.10,192.168.100.41-192.168.100.50 * * * *
ip filter 1002 pass 192.168.100.11-192.168.100.40 * * * *