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DHCP problem

By bryan.vanderark ·
I have recently installed a firewall on our network and changed over to private IP addressing for our internal network. I have DHCP set up on our NT 4.0 Server to provide the addresses, gateway, DNS, etc. The problem I'm having is that the Win98 clients seem to lose their internet connectivity if I reboot the firewall which also happens to be their default gateway. All I need to do to get them back on the 'net is run winipcfg and do release all and renew all. After that, they can surf away again. What am I missing in the DHCP setup or elsewhere that makes this happen? It doesn't happen to all of the clients every time I restart the firewall, but it does seem to happen to all of them after one reboot or another. Any ideas?

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DHCP problem

by fgarber In reply to DHCP problem

Try changing the default gateway to the NT server and add a static route in the server that points to
ip address-0.0.0.0 mask-0.0.0.0 gateway-the address of the firewall
This sets up a gateway of last resort.
That should fix the problem.

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DHCP problem

by bryan.vanderark In reply to DHCP problem

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DHCP problem

by Curacao_Dejavu In reply to DHCP problem

The firewall should have a fix ip too just like the nt/dhcp server.
If the firewall is using dhcp too this situation can happen
Compare the info on the clients before and after a winipcfg release (gateway , etc)

Let me know if this helps (or not)

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DHCP problem

by bryan.vanderark In reply to DHCP problem

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DHCP problem

by bryan.vanderark In reply to DHCP problem

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