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Can a router have multiple public IP addresses?
Multi-NAT can be used where you have been allocated multiple public IP addresses by your ISP. In the scenario below, the router has 3 WAN IP addresses and 2 web server on the LAN. This guide will demonstrate how to set up Multi NAT to allow internet access to these LAN servers.
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.
How do I configure my router for multiple IP addresses?
To configure more than one IP address on an interface, issue the ip address command with the secondary keyword in interface configuration mode. Routers configured with secondary addresses can route between the different subnets attached to the same physical interface.
Can you have two public IP addresses?
A Public IP address (External) is assigned to every device that connects to the Internet and each IP address is unique. Therefore, there cannot exist two device with the same public IP address. This addressing scheme makes it possible for the devices to “find each other” online and exchange information.
Why does my home WiFi have 3 IP addresses?
Having 3 IP addresses means that your system can be communicated with using three different IP addresses, and most likely means you have WiFi turned on and an Ethernet cable plugged in. One will be the loop back address (127.0. 0.1) and that is only useful on the system itself.
Why does my router have 2 IP addresses?
Routers are special because they have two IP addresses. This is the side of the router that faces the Internet and has a public IP address. The second router interface is called the LAN (Local Area Network) interface. This is the side of the router that faces the home network’s computers and has a private IP address.
How do I find the IP address of my router using a different router?
On the “Network” dialog box, select the connected type of network on the left, such as “Wi-Fi” or “Ethernet“. Then, click “Advanced“. Click the “TCP/IP” tab on the “Wi-Fi” screen. You’ll find your router’s IP address next to “Router“.
How do I specify the IP addresses that my cable modem?
The assigned default gateway address is the LAN address of the cable modem router. These addresses must be part of the same IP address subnet as the cable modem router’s LAN IP address. Using the default addressing scheme, define a range between 192.168.0.2 and 192.168.0.254, although you can save part of the range for devices with fixed addresses.
What is the default gateway address for a cable modem?
The assigned default gateway address is the LAN address of the cable modem router. These addresses must be part of the same IP address subnet as the cable modem router’s LAN IP address.
How to use a public IP address on a LAN?
Go to LAN >> General Setup, select the LAN profile you want to use the public IP address. At More Subnet field, click Add to add a subnet as follows: Subnet Mask: the subnet you want to use on LAN, this should be equal to or smaller than the Subnet Mask configured on WAN. Save and then Apply the LAN profile.
Which is the public IP address for Vigor router?
Suppose ISP provides a public IP subnet 211.100