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Re: Basic(?) network help, please...



Thanks.  You have clarified exactly what I need to know.

Mark

On Saturday 29 January 2011 04:19 pm, Camaleón wrote:
> On Sat, 29 Jan 2011 13:54:50 -0500, Mark Neidorff wrote:
>
> (...)
>
> > I can't get PCs on the local LAN (192.168.1.x) to connect to the net
> > using the cable provider's nameservers. If I use the nameservers of my
> > old provider (which are still active for me, for now) they can connect
> > to the net.  Why is this?  How do I correct it?
>
> There are some things in the air that may require further investigation.
>
> First, as per your description (five static IP), I guess you have been
> given a very nice cable modem gateway device but most surely it is
> somehow limited/restricted/customized by your provider, so you should
> contact them and ask for a basic configuration setup start-up guide. I
> say this because some providers give their users a login username/
> password and let them to manage their devices from their internal
> subnetwork.
>
> Second, you should ask yourself about the network setup do you have in
> mind... that is, cable modems (unless otherwise specified) are just
> gateways with no routing capabilities and act in the same way like the
> old dial-up serial modems: they connect your machine (the one to which is
> attached) directly to the web (which is good if you have a web server
> behind the cable modem that you want to be reachable from outside) but
> maybe you don't want all your machines are also acting in that way, like
> public servers.
>
> So, dependending on what you have in mind, you may also need to have a
> router with nat capabilities that:
>
> 1/ "Hide" your internal network machines (so you can use 192.168.0.x
> addresses) and keep them out of the Internet.
>
> 2/ Provide addictional DHCP/DNS functionalities, in the event the cable-
> modem do not.
>
> And last, you can use whatever DNS servers you prefer (like the ones from
> OpenDNS or Google's) but usually the ones that your isp provides are
> better (lower latency and fast response).
>
> Greetings,
>
> --
> Camaleón


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