Re: Network nightmare

NT wrote:
On Sep 24, 4:50 pm, "Mike Easter" <Mi...@xxxxxxxxxxxx> wrote:
Mike Easter wrote:
NT wrote:
There's one router, 3 computers, all being networked for the
first time. But...

The network switch:
http://www.tp-link.com/products/product_des.asp?id=80

8-port Unmanaged 10/100M Desktop Switch

The virgin cable box is an Ambit E08CO13.00

I neglected to look up the cable box which is a Ubee found here:

http://snipr.com/s3f1g Euro DOCSIS 2.0 Data Cable Modem - E08C013



It would be a lot easier to establish a network with a router/NAT
device than that 8 port switch.
The cable box only wants to give out one IP address to 'something'.

Your cable box will do more than that.


Perhaps virgin dont want it to do more than that? I get the feeling
the simplest thing to try would be a real router. Think what I'll do
is connect each machine singly to the cable box, without the TP switch
in the way, should tell me something.


thanks for all your help, NT

On many providers testing in the following order may be of assistance in
identifying what an ISP has setup.

1. Power down the ISP's box and all computers being tested.
2. Power on only the ISP's box and wait for it to stabilize.
3. Plug one PC directly to the ISP's box using a standard eithernet cable
and power on the PC.
4. If this PC comes up and works on the internet go back to step #1 and try
the list on the next PC You do need to power down the ISP's box between
each test as many of them store the setting of the first PC it allows to
pass through it. If all PC's are able to work individually with the above
procedure then any router (not just a switch) will take care of your PC's
sharing the internet

If each PC is set for DHCP and can individually work on the internet using
the above procedure but not when connected through a switch then the problem
is an ISP that has set their box to only supply one IP address. You may be
able to modify the settings in the ISP's box to supply more IP's or ask them
to (usually at a higher monthly cost) but it is usually much easier to
purchase a cheap 4 port router or even one that includes a wireless
connection, for future use if nothing else. You could get by with a single
port router and use the switch you have to split things as the router can be
set to supply more than one IP address even though it only has one Ethernet
port but the cost difference between a one port and a four port one is
usually minimal

A few of the real anal ISP's keep track of the PC's MAC address and store it
at the host router making the above test fail on all but the actual PC that
connected with them during your initial account setup. For those you would
need a router that includes the ability to change or "spoof" the MAC address
of the router to match the router.

The other thing that can make the above test fail is if your computer is
actually sending the PPP authorization, such as a username and password to
the ISP. Usually initially configured by using their software for those who
don't know any better. That too can be taken care of by using a router that
can be set to send the PPP values in place of the PC.

Good luck.


.

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