![]() Though since you were suggesting that you would use a completely different public IP address for other server this means there would be absolutely no problems. For example your mentioned port TCP/80 couldnt be used twice for with a single public IP address. You would only have problems if you were trying to use a single public IP address for different internal servers and forward the same public port to them. In your case since you have free public IP addresses the clearest and easiest solution would be to configure Static NAT and use the interface ACL to allow the ports you need on each server. This is typically used when the user has only a single public IP address at his/her disposal and needs to host services on multiple internal servers. Static PAT essentially binds a single public port of a public IP address to a single local port of a single local IP address. ![]() So if you can spare the public IP addresses then you would configure Static NAT and allow what ports you need. Naturally the interface ACL would be used to control what ports are allowed. ![]() This would mean that every TCP/UDP port would be forwarded to the local host when a user connects to the public IP address. ![]() Static NAT essentially binds a single public IP address to a single local IP address. Now lets look at the 2 common NAT types to allow access to your internal host I imagine that your ISP has provided you with a public subnet of /29 since you mention your have 6 IPs at your disposal. ![]()
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