Cool. tyvm for the input, all :) -nt-

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Mar snarkles

On 2002-11-10 15:23:50, snarkles wrote
>Cos I'm ripping my hair out over this. :P~~~
>
>Can someone tell me where I can find a *definitive* source on what the difference is between:
>
>hub, switch, bridge, router, and gateway
>
>Particularly the differences between switches and bridges, and wtf a "gateway" is.
>
>I've been going through some news groups, Cisco/3Com/etc. sites, and reading a few RFCs and so far the differences between these devices seems to be at whatever layer of the OSI model they operate within.
>
>So far what I have is:
>
>Hub (Physical layer): Takes data coming in from one port and forwards it omto all the others
>
>Bridge (Data-link layer): Same as a hub, but can filter traffic based on destination MAC address
>
>Switch (Data-link layer): Same as bridge, but can also run each segment of the network at a different speed (i.e. one comupter running at 10Mbps doesn't affect the rest of the 100Mbps network)
>
>Router (Network layer): Filters/forwards packets based on their IP address and segment networks logically so they're each on their own subnet.
>
>Gateway: Two different views on this. Either the entrance/exit point of one network to another (which is always the term I've seen used), or a device that translates between one protocol/access method to another (like a netBEUI network might use a gateway to see an IPX/SPX network, or a gateway might allow you to connect an Ethernet network to a Token Ring network)
>
>Anyone want to throw me a bone here? :P
>

Replies:

Network gurus: help keep me from going bald! ;) - Mar snarkles 2002-11-10 15:23:50
- >Cool. tyvm for the input, all :) -nt- - Mar snarkles 2002-11-11 02:47:01 <
- RE: Network gurus: help keep me from going bald! ;) - Mar keoki 2002-11-10 20:20:18
  - RE: RE: Network gurus: help keep me from going bald! ;) - LtKer killerjoksta 2002-11-11 02:36:18
  - keoki!!!!!!! ltns!!! -nt- - Cpt Emrys 2002-11-10 23:52:51
- RE: Network gurus: help keep me from going bald! ;) - Tr kermit 2002-11-10 17:46:26

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Message:	On 2002-11-11 02:47:01, snarkles wrote >On 2002-11-10 15:23:50, snarkles wrote >>Cos I'm ripping my hair out over this. :P~~~ >> >>Can someone tell me where I can find a definitive source on what the difference is between: >> >>hub, switch, bridge, router, and gateway >> >>Particularly the differences between switches and bridges, and wtf a "gateway" is. >> >>I've been going through some news groups, Cisco/3Com/etc. sites, and reading a few RFCs and so far the differences between these devices seems to be at whatever layer of the OSI model they operate within. >> >>So far what I have is: >> >>Hub (Physical layer): Takes data coming in from one port and forwards it omto all the others >> >>Bridge (Data-link layer): Same as a hub, but can filter traffic based on destination MAC address >> >>Switch (Data-link layer): Same as bridge, but can also run each segment of the network at a different speed (i.e. one comupter running at 10Mbps doesn't affect the rest of the 100Mbps network) >> >>Router (Network layer): Filters/forwards packets based on their IP address and segment networks logically so they're each on their own subnet. >> >>Gateway: Two different views on this. Either the entrance/exit point of one network to another (which is always the term I've seen used), or a device that translates between one protocol/access method to another (like a netBEUI network might use a gateway to see an IPX/SPX network, or a gateway might allow you to connect an Ethernet network to a Token Ring network) >> >>Anyone want to throw me a bone here? :P >>
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