IP Address


J

Joe

I have 2 computers, one with XP and one with Vista. I recently got DSL and
bought a hub to connect both systems to the net. When I do this i cannot
connect to the net with either system. On the XP I get an error about IP
address conflict, the IP address is already in use. I have the hub closest to
the XP system. The tech had me try to release then renew my IP address in CMD
prompt on the Vista computer
and it give me an error about stating that an IP address has not been
assigned. Any ideas? Thanks
 
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P

Paul Mckenna

You probably need to contact your ISP they may of set their router to only
suply one address
What IP addresses are you getting on your XP and Vista BOX?

Click Start/Run and then type ipconfig to see.
 
G

G.Mester

You cannot connect two computers to the Internet where you only have 1
public IP address assigned to the DSL modem through a simple ethernet hub.
You need a router.
 
S

Synapse Syndrome

G.Mester said:
You cannot connect two computers to the Internet where you only have 1
public IP address assigned to the DSL modem through a simple ethernet hub.
You need a router.


ICS can do NAT as well, although he's have to keep the ICS serving computer
on while using the other.

ss.
 
M

Mr. Arnold

Joe said:
I have 2 computers, one with XP and one with Vista. I recently got DSL and
bought a hub to connect both systems to the net. When I do this i cannot
connect to the net with either system. On the XP I get an error about IP
address conflict, the IP address is already in use. I have the hub closest
to
the XP system. The tech had me try to release then renew my IP address in
CMD
prompt on the Vista computer
and it give me an error about stating that an IP address has not been
assigned. Any ideas? Thanks

http://www.homenethelp.com/web/explain/about-NAT.asp
 
B

Bruce Chambers

Joe said:
I have 2 computers, one with XP and one with Vista. I recently got DSL and
bought a hub to connect both systems to the net. When I do this i cannot
connect to the net with either system. On the XP I get an error about IP
address conflict, the IP address is already in use. I have the hub closest to
the XP system. The tech had me try to release then renew my IP address in CMD
prompt on the Vista computer
and it give me an error about stating that an IP address has not been
assigned. Any ideas? Thanks


You need to replace the hub with a router that can assign different IP
addresses to each computer.

What's happening now is that your ISP is assigning a single IP address,
via the DSL Modem, to whichever PC connected first, and then the ISP
"assigned that IP to your account. ISP's rarely, unless you want to pay
for a second account, assigned additional IP addresses to a single user.
With a router, the ISP's single IP will be assigned to it, and then it
(the router) can assign two internal IP addresses to your PCs. The ISP
will never see these internal addresses.


--

Bruce Chambers

Help us help you:


http://support.microsoft.com/default.aspx/kb/555375

They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety. ~Benjamin Franklin

Many people would rather die than think; in fact, most do. ~Bertrand Russell

The philosopher has never killed any priests, whereas the priest has
killed a great many philosophers.
~ Denis Diderot
 
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H

Harley Davidson 95 Heritage

Bruce Chambers said:
You need to replace the hub with a router that can assign different IP
addresses to each computer.

What's happening now is that your ISP is assigning a single IP address,
via the DSL Modem, to whichever PC connected first, and then the ISP
"assigned that IP to your account. ISP's rarely, unless you want to pay
for a second account, assigned additional IP addresses to a single user.
With a router, the ISP's single IP will be assigned to it, and then it
(the router) can assign two internal IP addresses to your PCs. The ISP
will never see these internal addresses.


--

Bruce Chambers

Help us help you:


http://support.microsoft.com/default.aspx/kb/555375

They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety. ~Benjamin Franklin

Many people would rather die than think; in fact, most do. ~Bertrand
Russell

The philosopher has never killed any priests, whereas the priest has
killed a great many philosophers.
~ Denis Diderot


I understand that the ISP can never see the internal addresses, but can
anyone else see them, from outside of the basic connection of the router?
 
L

Little Billy

Joe said:
I have 2 computers, one with XP and one with Vista. I recently got DSL and
bought a hub to connect both systems to the net. When I do this i cannot
connect to the net with either system. On the XP I get an error about IP
address conflict, the IP address is already in use. I have the hub closest
to
the XP system. The tech had me try to release then renew my IP address in
CMD
prompt on the Vista computer
and it give me an error about stating that an IP address has not been
assigned. Any ideas? Thanks

You have wireless on that modem that gave you? If one pc is a laptop just
turn on the wireless connection. Or, put a wireless card in one of the
desktops if that's what you have.
 
B

Bruce Chambers

Harley said:
I understand that the ISP can never see the internal addresses, but can
anyone else see them, from outside of the basic connection of the router?


Not if you reset the router from its publicly known defaults. That's
one of the primary selling points for routers with NAT (Network Address
Translation).


--

Bruce Chambers

Help us help you:


http://support.microsoft.com/default.aspx/kb/555375

They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety. ~Benjamin Franklin

Many people would rather die than think; in fact, most do. ~Bertrand Russell

The philosopher has never killed any priests, whereas the priest has
killed a great many philosophers.
~ Denis Diderot
 
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N

Not Me

He stated that he had a HUB not a router.
Connecting to the DSL modem through a hub will allow one IP, each computer
needs it's own.
He either has to setup one PC to be the server for ICS or get a router.
 
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