Hi,
Can you explain a little more. The hardware address keeps changing on
every hop. So, which layer is this data encapsulated. Is it stored as
part of the data itself ?. I am still not clear.
thanks,
Krishnan.
Marshal Schoener wrote:
>
> It is very basic address translation.
> All the packets sent out are first encapsulated with all the information
> they need...
> Good luck,
>
> -----Original Message-----
> From: Sivaramakrishna Iyer Krishnan
> [mailto:krishnan@xxxxxxxxxxxxxxxxxxxxxx]
> Sent: Monday, July 01, 2002 2:33 PM
> To: associate@xxxxxxxxxxxxxx
> Subject: question about networks [1:9870]
>
> Hi all,
>
> I have a private network set up at home. I have a linksys router that I
> connect my cable modem to and have 2 PCs connected to the linksys
> router. Now, I have a one way cable but that should not affect my
> question.
>
> When I connect to the internet my linksys router is given an IP address
> from the cable(ISP). Say this is u.v.w.x. Although the PCs that are
> connected to the linksys router have IP address 192.168.x.y (private
> addresses). Now, I am able to access the internet using both the PCs.
> Say for example, I am doing a http request, how does it know that the
> reply needs to be send to me. It cannot send the source address
> 192.168.x.y as that is private to my network. So, it should be taking
> the IP address that the cable modem provides it and sending out the
> request, then when it gets the response how does the router know which
> PC to send the response to.
>
> Is the question clear or am I missing something very trivial.
>
> thanks,
> Krishnan.
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