Contents
What is inside global address in NAT?
Inside global address—A legitimate IP address assigned by the NIC or service provider that represents one or more inside local IP addresses to the outside world. Outside local address—The IP address of an outside host as it appears to the inside network.
Is NAT used in VPN?
Network address translation (NAT) takes your private IP addresses and translates them into public IP addresses. However, if the data traffic is protected by a VPN, conventional NAT will not work because it changes the IP addresses in the security associations (SAs) that VPN requires to function.
What are the four types of NAT addresses?
Types of Network Address Translation (NAT)
- Static NAT – In this, a single private IP address is mapped with single Public IP address, i.e., a private IP address is translated to a public IP address.
- Dynamic NAT –
- Port Address Translation (PAT) –
Where does the inside global IP address come from?
The Inside local IP addresses are removed at the NAT router and translated to Inside global address. Inside global addresses are routable public IP addresses. An IP datagram moves out to the internet from our private network will always has an IP address from Inside Global address range as the source IP address.
What is the definition of inside and Outside Nat?
Keep in mind that the terms inside and outside are NAT definitions. Interfaces on a NAT router are defined as inside or outside with the NAT configuration commands, ip nat inside destination and ip nat outside source . Networks to which these interfaces connect can then be thought of as inside networks or outside networks, respectively.
What are the different types of Nat addresses?
The address types used in NAT (Network Address Translation) is of four types as classified. Before moving on to the types of network address translation first you need to understand what local address and global address.
What’s the difference between the inside and outside global addresses?
Conversely, when a packet is sourced on the outside portion of the network, while it is on the outside network, its source address is known as the outside global address. The destination of the packet is known as the inside global address.