Can I have multiple public IP addresses?

Multi-NAT can be used where you have been allocated multiple public IP addresses by your ISP. Instead of a many-to-one relationship, you can have a one-to-one relationship between a public IP address and an internal/private IP address.

Why do I have multiple public IP addresses?

Your ISP has several public addresses that it uses to NAT outbound connections from its users. In such a situation a user (i.e. you) doesn’t get a public address and can therefore not accept any inbound connections for e.g. you camera. Your internet connection is outbound-only.

What would happen if two public IP addresses had the same IP address?

An IP address conflict occurs when two or more devices on the same network are assigned the same IP address. Because of this setup, no two devices can have the same IP address on one network. If this happens, the network becomes confused by the duplicate IP addresses and can’t use them correctly.

How do I assign a public IP address?

You have logged in to the server.

1. Open the Control Panel.
2. Click Network and Internet > Network and Sharing Center > Change Adapter Settings.
3. Right-click the network adapter.
4. Click Properties.
5. Double-click Internet Protocol Version 4 (TCP / IPv4) .
6. In the IP address field, enter the current main IP address.

How to set up WatchGuard with multiple IPs?

For sure, your provider would not have a modem with 254 ports…. The usual way to set up a WatchGuard Firebox with multiple IP addresses is to set up ONE external interface and define the default IP address on this interface.

How to add a member to fireware WatchGuard?

Click Add. The Add Member dialog box appears. (Fireware v12.2.1 or higher) From the IP Address or Interface drop-down list, select the IP address or alias of an external, optional, or loopback interface to use in this action.

Do you need a separate gateway for WatchGuard?

If they need to use a separate gateway, they will need a separate external interface. If they can be routed using the same gateway as the existing external then you can add them as secondary ip addresses on the existing external interface.

How to define policy based routing in WatchGuard?

If you need to send some traffic from one of the additional public addresses you have, than you can define policy based routing for each firewall rule separately. Check the advanced settings, where you will see an option to define ‘all traffic in this policy – set source IP’.