[Ilugc] [OT] doubt on Networking on linux

[peevee]

But it is said that routers work in Network layer, and gateway works in 
Transport layer?
isnt that true? (not considering the latest, routers )...
then whats the difference?




Binand Sethumadhavan wrote:

>On 25/04/05, peevee <peevee.chaitanya at gmail.com> wrote:
>  
>
>> sorry for that wrong question on route and gateway ,,
>> i mean to ask, is route table used to specify a predefined  incoming
>> packets, to be sent to a destination address??
>> if its case, how is gateway differnt from a  route table??
>>    
>>
>
>Routing table in default configuration is consulted only on the basis
>of the destination address. The source of the packet does not matter.
>With ip(8) you could configure policy routing by which you can make
>routing decisions on a number of other parameters - source IP, ports
>being used etc.
>
>I still don't understand what you mean by asking the difference
>between a gateway and a routing table. A gateway (the term nowadays is
>a router) is usually a machine with a routing table - either
>statically configured or dynamically learned, and can forward packets
>between interfaces.
>
>Binand
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