Kindly guys, am looking for good suggestion to improve the network performance , i have one router connected that having dynamic ip that assigned by DHCP and there is VPN to the pix firewall thru the internet , the problem is every time the router ip changed the connection will not be reachable and when need to change the vpn route ip on the pix firewall to the need router ip .

I would be grateful for you people if u suggests any new Idea or solution