Switch VS Router
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Posted by gecko on July 1, 2008, 8:26 am
Please log in for more thread options What does one do that the other does not? Thanks -GECKO | ||||||||||||||||||||||
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Posted by Marcel Overweel on July 1, 2008, 9:04 am
Please log in for more thread options Simply said: To be complete, I will also explain a hub: A hub is dumb, it transmits every incoming packet to every other output. All pc's connected to this hub will recieve the packet and the pc's themself have to decide if it should process the packet or just drop it (and that is a waste of network capacity). A switch knows which port is connected to which pc so incoming packets are send to the correct output instead of all outputs so there is no need for the other pc's to check (and discard) the packet. A router is a much more complicated device. It channels incoming packets just like a switch but it can also change its destination according to the protocol and/or tcp/udp port numbers. If you simply want to connect several network devices like pc's and printers: a switch will suffice. Every device has a known ip address and communication is fairly simple. If you need to send incoming data to one or more pc's, for instance when you have one ore more web and/or ftp servers sharing one internet connection, you need a router. Data from the outside (internet) is coming in on your router's external IP address (WAN) and the router needs to decide which pc on the local network (LAN) should get the data. hope this helps. regards, Marcel | ||||||||||||||||||||||
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Posted by gecko on July 1, 2008, 10:02 am
Please log in for more thread options On Tue, 1 Jul 2008 15:04:46 +0200, "Marcel Overweel"
>To be complete, I will also explain a hub:
>A hub is dumb, it transmits every incoming packet to every other >output. All pc's connected to this hub will recieve the packet and >the pc's themself have to decide if it should process the packet or >just drop it (and that is a waste of network capacity). > >A switch knows which port is connected to which pc so incoming >packets are send to the correct output instead of all outputs so >there is no need for the other pc's to check (and discard) the >packet. > >A router is a much more complicated device. It channels incoming >packets just like a switch but it can also change its destination >according to the protocol and/or tcp/udp port numbers. > >If you simply want to connect several network devices like pc's >and printers: a switch will suffice. Every device has a known ip >address and communication is fairly simple. > >If you need to send incoming data to one or more pc's, for instance >when you have one ore more web and/or ftp servers sharing one >internet connection, you need a router. Data from the outside >(internet) is coming in on your router's external IP address (WAN) >and the router needs to decide which pc on the local network (LAN) >should get the data. > > >hope this helps. > >regards, >Marcel > I have a simple LAN with 4 computers, any and all of which need to access weblinks and webmails whenever the user decides to do so. Each computer also needs access to the files/folders on all other computers on the LAN using 'file sharing'. One computer has a USB printer connected to it which might be printed to from any of the other 3 computers, using 'printer sharing'. I have a new network printer (HP 7280 AIO) which will printed to from any of the 4 computers. I have been told to get a router. From what I read, including your reply, I think a switch will do. Is that so? I really don't care which one I get, a switch or a router, unless one is cheaper than the other, but I want to get it right. Thanks -GECKO | ||||||||||||||||||||||
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Posted by Pen on July 1, 2008, 10:13 am
Please log in for more thread options gecko wrote:
> On Tue, 1 Jul 2008 15:04:46 +0200, "Marcel Overweel"
> >> To be complete, I will also explain a hub:
>> A hub is dumb, it transmits every incoming packet to every other >> output. All pc's connected to this hub will recieve the packet and >> the pc's themself have to decide if it should process the packet or >> just drop it (and that is a waste of network capacity). >> >> A switch knows which port is connected to which pc so incoming >> packets are send to the correct output instead of all outputs so >> there is no need for the other pc's to check (and discard) the >> packet. >> >> A router is a much more complicated device. It channels incoming >> packets just like a switch but it can also change its destination >> according to the protocol and/or tcp/udp port numbers. >> >> If you simply want to connect several network devices like pc's >> and printers: a switch will suffice. Every device has a known ip >> address and communication is fairly simple. >> >> If you need to send incoming data to one or more pc's, for instance >> when you have one ore more web and/or ftp servers sharing one >> internet connection, you need a router. Data from the outside >> (internet) is coming in on your router's external IP address (WAN) >> and the router needs to decide which pc on the local network (LAN) >> should get the data. >> >> >> hope this helps. >> >> regards, >> Marcel >> >
If accessing weblinks means you need internet access, then you
> > I have a simple LAN with 4 computers, any and all of which need to > access weblinks and webmails whenever the user decides to do so. > Each computer also needs access to the files/folders on all other > computers on the LAN using 'file sharing'. One computer has a USB > printer connected to it which might be printed to from any of the > other 3 computers, using 'printer sharing'. I have a new network > printer (HP 7280 AIO) which will printed to from any of the 4 > computers. > > I have been told to get a router. From what I read, including your > reply, I think a switch will do. Is that so? I really don't care > which one I get, a switch or a router, unless one is cheaper than the > other, but I want to get it right. > > Thanks > -GECKO absolutely need a router. | ||||||||||||||||||||||
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Posted by Pen on July 1, 2008, 10:23 am
Please log in for more thread options gecko wrote:
> On Tue, 1 Jul 2008 15:04:46 +0200, "Marcel Overweel"
> >> To be complete, I will also explain a hub:
>> A hub is dumb, it transmits every incoming packet to every other >> output. All pc's connected to this hub will recieve the packet and >> the pc's themself have to decide if it should process the packet or >> just drop it (and that is a waste of network capacity). >> >> A switch knows which port is connected to which pc so incoming >> packets are send to the correct output instead of all outputs so >> there is no need for the other pc's to check (and discard) the >> packet. >> >> A router is a much more complicated device. It channels incoming >> packets just like a switch but it can also change its destination >> according to the protocol and/or tcp/udp port numbers. >> >> If you simply want to connect several network devices like pc's >> and printers: a switch will suffice. Every device has a known ip >> address and communication is fairly simple. >> >> If you need to send incoming data to one or more pc's, for instance >> when you have one ore more web and/or ftp servers sharing one >> internet connection, you need a router. Data from the outside >> (internet) is coming in on your router's external IP address (WAN) >> and the router needs to decide which pc on the local network (LAN) >> should get the data. >> >> >> hope this helps. >> >> regards, >> Marcel >> >
Incidentally why are you repeating your questions from January? You
> > I have a simple LAN with 4 computers, any and all of which need to > access weblinks and webmails whenever the user decides to do so. > Each computer also needs access to the files/folders on all other > computers on the LAN using 'file sharing'. One computer has a USB > printer connected to it which might be printed to from any of the > other 3 computers, using 'printer sharing'. I have a new network > printer (HP 7280 AIO) which will printed to from any of the 4 > computers. > > I have been told to get a router. From what I read, including your > reply, I think a switch will do. Is that so? I really don't care > which one I get, a switch or a router, unless one is cheaper than the > other, but I want to get it right. > > Thanks > -GECKO throughly hashed this all out then. | ||||||||||||||||||||||
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> What does one do that the other does not?
>
> Thanks
> -GECKO