![]() |
Does every computer...
...that's connected to the internet have it's own IP number? Or do several computers share the same IP number? And what are port numbers? And how do I identify my port number? Thanks!
|
Re: Does every computer...
It depends on your setup. Our 2 computers each have their own IP adres, they are seperately connected to the internet (BTW this makes a network pretty hard, advice anyone??).
If you have 1 or more computers that are connected to the PC that's connected to the internet, you only have 1 IP-adres. I think. :) |
on cable or dsl you have a set ip
on dial up your ip should change alot like everytime you log on about the network you shouldent have an ip address set for the connection if its dial up and you dont need an ip for the network just make a disk ( if xp) and use that to set up the net work i think other window can create the disk to but im not sure and good lucknetworkin xp and me ive been tring or a year and a half now and i can get xp to read me but cant get me to read xp |
Re: Does every computer...
acually...it doesnt matter if your in a network or not,but each computer has it's own IP address...i learned about this a year ago...can't remember anything about it...:p
or you cold try looking on HowStuffWorks.com :) |
There are internal and external IPs. Each device that is connected to the internet is given an external IP by your ISP. It may cycle every time you connect, which for many means resetting the modem, but a few ISPs allow static IPs, which will never change. But usually unless you run a server, you don't need a static IP.
Internal IPs identify each computer of a network. They tend to be similar to 192.168.1.1, don't know why, but many networks use it by default. If you are on that network, you can connect to that IP to access that computer. However, anyone off the network can't access your computer by that IP, they must connect using the external IP, and if you're on a network, that can be difficult. So let's say you have 4 computers connected to your modem using the uplink port (which basically involves no networking, more or less just splitting a cable). Your ISP would assign each of those computers an external IP, because there are 4 devices connected to the internet. Now say you have a network setup, and you connect your router to the modem and connect. Your ISP assigns you 1 external IP, because only one device is connected, that being the router. From there, your individual computer is given an internal IP to be identified on the network. So if you're not connected to a network (either LAN or WAN), you have no IP. Otherwise, you do, in some form. Port numbers are just numbers used to identify different ports. I'm not sure what all the ports do, but sometimes if you're on a network or behind a firewall, it's necessary to open up certain ports for a program to work properly. It's all done on the router setup. For example, you may need to open ports 9700-9800 for a program to work properly. That's all it is, your computer doesn't have a specific "port number." |
by internal ip addresses you mean the subnet masks right they its only use those because their are only certain amount of ip addresses the can be made for use like 4,228,250,625 and thats not alot
i forgot the set rankings but they go from class a to class e i think f and e are for reserved use a is for huge companis and b is for big companies only class c is for normal use. |
Re: Does every computer...
Quote:
b is 128.0.0.0-191.255.0.0 c is 192.0.0.0-223.255.255.0 In class c, the first 3 numbers (octets) r network id's, which means that they can have a lot of networks. The last number is a host id, which allows so many users on all those networks. In class b, first 2 octets are network id's, last 2 host id's. In class a, first octet is network, last 3 r hosts. So you have ALOT of users on a HUGE n/w. And all port numbers do is allow or deny access to Netbt/Winsock. Such as http (80) SNMP/DNS/FTP 127.0.0.1 is for loopback testing. |
Re: Does every computer...
Quote:
But anyway, Gekko knows what he's talking about. Very nice explaination. |
Re: Does every computer...
Quote:
Of course to help you out more we would need to know how you have setup your home net? |
Ok, so we have Windows XP on both PCs. (BTW they're using the same registration number, will that be a problem??)
See the attachment for my setup. :) Thanks in advance, I'd really love the network! :D |
Re: Does every computer...
same xp home on both? or professional?
i've heard of ppl having problems later down the road when they use the same xp home on 2 computers. it doesnt like that. pro doesnt mind |
Re: Does every computer...
Quote:
|
Re: Does every computer...
[quote=bobcat]class a is 1.0.0.0-126.0.0.0
b is 128.0.0.0-191.255.0.0 c is 192.0.0.0-223.255.255.0 QUOTE] thx i took cisco for 3 semesters and that was two or three years ago i couldent remember the ranges :) |
Re: Does every computer...
[quote=Hero2]
Quote:
|
Re: Does every computer...
Quote:
I'd like to use is to transfer files and play LAN games. :) Thanks Null or PuPPeT or anyone else! :D |
All times are GMT -4. The time now is 01:26 PM. |
Powered by vBulletin® Version 3.6.4
Copyright ©2000 - 2025, Jelsoft Enterprises Ltd.
GameTavern