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Network setup problems


I have a strange problem I cant seen to understand what to do
about it.

I am running Apache as a web server and everything runs fine
when I am attached to my home LAN, using my own machine as the

However, when I connect to the office to use the internet I have
to assign our ISDN modem as the gateway.  All of the network
stuff works fine when I do this, except I cannot connect to my
Apachie web server.  I get the following message:

A network error occured:
Unable to connect to server (TCP Error: No route to host)
The server may be down or unreachable.

I did a trace route, but that didnot enlighten me:

starfury: # traceroute
traceroute to (, 30 hops max, 40 byte
 1 (  0.168 ms !H  0.138 ms !H  0.1 ms !H

starfury: # traceroute
traceroute: unknown host

I also tried a few other things after re-reading Net-3-Howto:

starfury: # /bin/netstat -r
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS
Window  irtt Iface
localnet        *          U      1500
0          0 eth0       *            U      3584
0          0 lo
default         gateway.oa.nl         UG     1500
0          0 eth0

starfury: # /sbin/route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric
Ref    Use Iface     U     0     
0       14 eth0       U     0     
0        1 lo         UG    1     
0       60 eth0

As far as I can see the only thing that changes is the gateway
address.  I am not using DNS at home so that doesnt change.

I am using Debian 'Hamm' kernel 2.0.34 and pcmcia modules to
match for the network.

Do I need to add a route to my web server, or change my configs
to represent it?
Do I need to have DNS services running??

Can anyone help me ??
John Stevenson, Objective Alliance: www.oa.nl
"Its grip'd, its sorted.."

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