Do 0.0.0.0:0 and *:* represent the same thing?



An IT admin may find themselves wondering whether the two IP addresses 0.0.0.0 and 0.0.0.0.0 represent the same thing. The answer to this question is no, these two IP addresses are not the same.

The IP address 0.0.0.0 is known as the default route. It is a special IP address that is used to indicate the absence of a valid IP address. It is typically used as the destination address in the routing table when a route is not specified or is invalid. This means that any traffic sent to this address will be discarded.

The IP address 0.0.0.0.0, on the other hand, is a valid IPv4 address. It is a valid IP address and can be used for routing traffic. This address is not typically used for routing traffic, however, as it is not associated with a valid network. It is more commonly used as a source address when an IP address is needed.

When it comes to using either of these IP addresses, it is important to note that they cannot be used interchangeably. 0.0.0.0 should only be used as a destination address in the routing table when a route is not specified or is invalid, while 0.0.0.0.0 should only be used as a source address when an IP address is needed.

When configuring network devices, it is important to always ensure that the appropriate IP address is used for the desired purpose. Using the wrong IP address could lead to connection issues or other network problems. It is important to understand the difference between 0.0.0.0 and 0.0.0.0.0 and to use the correct IP address for the desired purpose.

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