I have a 3700 series router and a PIX 525 with unlimited licensing.PIX:int e0 DHCP to WAN, that works fineint e1 (admin shutdown for testing)int e2 up/up, 192.168.100.1/24, speed 100, duplex full, sec-level 100, nameif=INSIDE23745:int fa1/0, up/up, 1...