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Can't get XP/SP2 ICS to work with Router used as a HUB

Posted on 2005-03-05
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Last Modified: 2010-03-18
I can connect two computers together with a crossover Ethernet cable and use Network Wizard to setup a network/ICS  and all works but when I connect straight thru cables via a Router (used only as a HUB) I can't get the settings to work. I assumed the router would issue IP's so I  set the network connection TCP/IP to get the IP's automatically and set the Gateway on the Client to be the same as the Host IP. This still does not allow me to connect to the internet although the network works (I can view shared folders on Client to Host and in reverse).
Howt do I have to set the Network Connection Properties to enable ICS to function? I know all the harware and cables work so it's down to getting the correct settings on the Host and Client ... XP's Network Wizard will not do it for me. No Internet network connection is shown in the Client Network Connection window. I can log onto the net from the Host with no problem (a dialup connection is all I have). I can ping from Client to Host but not from client to ISP.

Settings for Client are:
Dhcp Enabled                      Yes
AutoConfiguation Enabled     Yes
IP Address                           192.168.1.100
Subnet Mask                        255.255.255.0
Default Gateway                   192.168.1.101
DHCP Server                        192.168.1.1
DNS Server                          192.168.1.1

Settings of Host are:
Dhcp Enabled                      Yes
 AutoConfig  Enabled            Yes
IP Addr                               192.168.1.101
Subnet                                255.255.255.0
Default Gateway                   192.168.1.1
DHCP Server                        192.168.1.1
DNS  Server                         192.168.1.1

Is the Router causing the problem I don't have a hub to test that possibility? Help please Mal
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Question by:mrl
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stevenlewis earned 1000 total points
ID: 13467720
Your router is giveing out ip addresses, and this can't be. You have to disable the dhcp server on the router, adn then let ICS do the dhcp serving (or use static ip's)
when using ICS these are the ip addreses you will get
for the host lan nic it will be
ip 192.168.0.1
mask 255.255.255.0
gateway will be blank and dns will be disabled on that NIC
then the client will have
ip 192.168.0.(2-254)
mask 255.255.255.0
gateway will be 192.168.0.1
and dns enabled with 192.168.0.1
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by:stevenlewis
ID: 13467729
see here to setup ICS correctly

see here
http://www.annoyances.org/exec/show/ics
but you MUST trun off the dhcp server on the router, and change the default ip of it (the router) to 192.168.0.x (it must not conflict with any other ip, so I suggest setting it to 192.168.0.254
mask 255.255.255.0)
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Author Comment

by:mrl
ID: 13483256
Thank you Steven...it seemed easier to just use static IP addresses with the Host set to the ICS IP (192.168.0.1) and the clients using fixed IPs with their Gateway address equal to the Host's IP.(rather than changing the router DHCP). All works properly. Thanks again Mal
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LVL 41

Expert Comment

by:stevenlewis
ID: 13483301
Thanks, glad to help!
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