Alan,
I have no experience with DSL or switches, but I do w/ cable and router,
I would say use static IP's. My config looks like this:
cable modem------wireless router-----Linux Server
| \----WinXP
\---WinXP Laptop
I have my internal network configured statically with addresses
192.168.0.2 thru 192.168.0.4
The extra address is for repair client repair work. I allow the router
to obtain address via DHCP but we all know it will be 192.168.0.1 unless
I specify otherwise. Honestly it sounds like your firewall is
preventing access out, and in.. I would check the firewalls port
settings, perhaps they are all shutdown, and also check to make sure the
firewall is set to allow traffic, it may by default be set to be closed
to any traffic. Have you pinged your Switch, router? If not try it to
see if you connect to router.
How many workstations are involved? Perhaps static is not viable.
Mike
Created with the Thunderbird email client for Windows. This is an Open Source alternative to the troubled Microsoft product line.
Alan Dayley wrote:
>I have a network configuration problem. Not being an experienced admin
>with IP addresses and the like, I am not sure what I am doing wrong. Here
>is the setup:
>
>Internet----DSLRouter----Switch----LocalDNSServer
> | \-----LocalDHCPServer
> \-------LocalWorkstations...
>
>The DSLRouter is set to give a fixed IP to the switch, say 192.168.0.254.
>The DNSServer and DHCPServer provide those services to the Workstations.
>They have IP addresses, let's say, of 192.168.0.1 and 192.168.0.2.
>The DNSServer and DHCPServer are configured to use 192.168.0.254 as the
>default gateway, which is also passed on to the Workstations.
>The netmask throughout all of this is 255.255.255.0.
>
>What I want to do is this:
>
>Internet----DSLRouter----Firewall----Switch----LocalDNSServer
> | \-----LocalDHCPServer
> \-------LocalWorkstations...
>
>The Firewall will have fixed IPs on both connections, outside the
>DHCPServer range. We'll say that the connection to the DSLRouter is
>192.168.0.253 and to the switch is 192.168.0.3.
>
>The problem is that when I put the firewall in the path, I get now
>Internet access anywhere. If I set the gateway on DNSServer and
>DHCPServer to 192.168.0.3, I still get nothing. Assuming the firewall
>iptables are configured right (it is an IPCop install), what is wrong
>here? Are my IP addresses messed up somehow? Perhaps I should enable
>DHCP in the DSLRouter and let the firewall get the IP on that interface
>via DHCP?
>
>I want to get this done tonight so any quick help would be appreciated.
>
>Alan
>
>
>
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