Static vs dynamic IP topic is hotly debated among many IT technicians. Dynamic IP address is an address that keeps on changing. DHCP is a way of dynamically and automatically assigning IP addresses to network devices on a physical network.
It provides an automated way to distribute and update IP addresses and other configuration information over a network. Proper IP addressing is essential for establishing communications among devices on a network.
This part will discuss it. Static IP addresses allow network devices to retain the same IP address all the time, A network administrator must keep track of each statically assigned device to avoid using that IP address again. DHCP is advantageous for network administrators because it removes the repetitive task of assigning multiple IP addresses to each device on the network. It might only take a minute but when you are configuring hundreds of network devices, it really gets annoying. Wireless access points also utilize DHCP so that administrators would not need to configure their devices by themselves.
It is also recommended to use static IP addresses for devices within the network that are accessed by the Internet as in the case of a web server or when it is critical that a data connection is not interrupted. Two examples of devices that we would recommend using static IP addresses for are network print servers and serial over IP devices.
A dynamic IP address is convenient to use for home networks, where you want it to be as easy as possible for new network devices to be added or removed, and your only concern is accessing the Internet with your network devices. Within a network, your devices are automatically configured with a fresh dynamic IP address as needed.
That prevents confusing conflicts when two computers try to use the same IP address. Potentially better security : With a dynamic IP address it's harder for a potential attacker to target your networked equipment. You can also add to your security by obscuring your network address with a VPN. Better physical security : It's much harder for a snoop to find out exactly where you're located. A VPN can help with this as well.
Dynamic IP addresses are not ideal for all situations. They don't work well for internet-facing services such as the web or email. Unlikely to work well for hosted services : If you plan to host a website, email server, or so on, using a dynamic IP address may be troublesome.
DNS doesn't work well with dynamic IP addresses since the address is always changing. There are Dynamic DNS services that take care of this problem; however, they add expense and complexity. This can be a serious downside.
May limit remote access : Depending on your remote access software, your program may have trouble connecting if you use a dynamic IP address.
Potentially more downtime : While it doesn't happen often, sometimes your ISP is unable to assign you a dynamic IP address. This can interrupt your internet connection. Less accurate geolocation : A dynamic IP address can make your geo-location services fail because you can keep a dynamic address that no longer reflects your real-world location. Typically, static IP addresses are best for businesses, which host their own websites and internet services.
Dynamic IP addresses are usually fine for most consumers. They are cheaper and typically pose a bit less of a security risk. Now that you understand the differences between static IP and dynamic IP, you may realize that it never mattered before which kind you are using.
If you get your internet service through an ISP or cable company, in most cases they assign you a dynamic IP address. Within your own network, by default your devices are assigned dynamic IP addresses. It is usually not much of a problem to switch to a static IP address. You do this by going to your router's interface, finding the device for which you want to assign a static IP address, and then assigning it one usually by manually typing in a number. The details vary from router to router.
On a network with an administrator, you need to have the system administrator do this for you. No matter whether your internet IP address is static or dynamic, your ISP -- and tech-savvy bad guys -- can tell approximately where you're located and what you're trying to do on the internet.
You may want to hide your IP address -- no matter what kind -- from snoopers. Vaughan-Nichols on September 23, Updated on August 23,
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