#Mac network settings router subnet mask windows

The IP addresses assigned this way are not permanent вЂ“ they are actually leased for a certain amount of time to the devices (till they log-out of the network, for example).

These IP addresses are given to the network devices dynamically by a DHCP server (IP addresses ought to be within a certain range and the range is already specified). Any device, before communicating with any other device in the network needs an IP address.

#Mac network settings router subnet mask windows

Applications like MicrosoftвЂ™s Windows 2008/2003, Unix/Linux based BIND and certain appliances with built-in DNS/DHCP servers can provide the DNS service in a network.ДЄ DHCP server automatically assigns the IP addresses for a device. More importantly, a DNS Server converts the IP addresses in to domain names and vice versa so that the user wanting to access a certain service in the network can remember the (easily to remember) domain name than their individual IP address(es). It also becomes easier for various devices operating on the network to advertise and find each otherвЂ™s location. This makes it easy to maintain a database of all the IT systems of an organization as each device is referred by a name and there is an appropriate sub-domain for locating them.

So, in case you see an address like, you can easily recognize the name of the system (mail), name of the sub-domain (sub-domain), name of the company (company) and the name of the primary domain (.com). There is also a small explanation on what is an IP Address and what is a subnet mask.ДNS is a hierarchical representation of all the IT devices and their sub-domains in a (company) network. This article gives an introduction to DNS and DHCP вЂ“ what they are and why you need them.