The MAC address is the layer 2 (physical) address, while the IP address is the layer 3 (logical) address. 2) the router doesnt really know that the switch is there. When a computer needs to send a packet to a remote network, it sends it to the gateway (router). there may be a switch between the computer …
why does every computer on the internet need to have these four numbers? ip address, subnet mask, ip address of default gateway, and mac? Expert Answer 100% (8 ratings) Every computer, whether it functions as a web site, is being used by a web surfer, is a mail server, and/or is used for any other function, has an IP address so it can communicate across the Internet. Communication is accomplished by sending pieces of information called "packets" that include the IP address of the destination computer. Jul 23, 2015 · most websites have one or more static IP addresses, but there's no requirement for it. keeping DNS up to date with a dynamic IP address does have implications for DNS, but DNS can be kept up to date using what's called a "dynamic dns" service (more on that here. the point being that DNS is basically a record in a database somewhere, where the key is the hostname, and the value is the address Every machine on the Internet has a unique IP address. A server has a static IP address that does not change very often. A home machine that is dialing up through a modem often has an IP address that is assigned by the ISP when the machine dials in. That IP address is unique for that session -- it may be different the next time the machine In the TCP/IP protocol, the unique identifier for a computer is called its IP address. There are two standards for IP addresses: IP Version 4 (IPv4) and IP Version 6 (IPv6). All computers with IP addresses have an IPv4 address, and most use the new IPv6 address system as well. Here are the differences between the two address types: *If you have a single computer directly connected to the Internet without a router, then the IP address the operating system knows about is the public IP address. See a summary of all my Defensive Every computer on the internet needs to have these four numbers because these four number are the parts of network layers addressing and routing information that it needs to operate. 3. Ping your own default gateway.
Nov 11, 2019
In IPv4, you have many ways of getting an IP address. There’s manual configuration, where you enter the IP address, the network mask and the router address in your system. In addition you can use automatic configuration with DHCP. If there’s no network configuration, the system allocates link … Your Router's Two IP Addresses - Ask Leo! Aug 15, 2018
Why do we have both MAC addresses and IP addresses
Jul 25, 2020 · In this video I have shown you how to find your IP Address in your computer with very easy simple steps. So please watch the video till last and don't forget to like, share and subscribe this channel.