The NetScreen was act as a VPN server, we need to make a LAN-to-LAN VPN from Cisco router or PIX to NetScreen. However, our Cisco router or PIX cannot get the fixed ture IP address from provider. NetScreen firewall was support the dynamic VPN LAN-to-LAN connection through the Aggressive mode together, but we just can got Cisco VPN product now. Does any Cisco product can compliant for NetScreen's Aggressive mode?
