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Re: absurdly simple LAN problem




Well, I was afraid I was going on a bit, but anyway:
------------------------------

Laptop:

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# This is a list of hotpluggable network interfaces.
# They will be activated automatically by the hotplug subsystem.
mapping hotplug
        script grep
        map wifi0

# The primary network interface
iface eth1 inet dhcp
        address 192.168.0.22
        netmask 255.255.255.0
        network 192.168.0.0
        broadcast 192.168.0.255
        gateway 192.168.0.1
        # wireless-* options are implemented by the wireless-tools package
        wireless-mode managed
        wireless-essid 8 Oak Way
# dns-* options are implemented by the resolvconf package, if installed
        dns-nameservers 80.84.64.20 80.84.72.20
        dns-search acampbell.org.uk

------------------------------

Desktop:


# /etc/network/interfaces -- configuration file for ifup(8), ifdown(8)

# The loopback interface
auto lo
iface lo inet loopback

# The first network card - this entry was created during the Debian installation
auto eth0
iface eth0 inet dhcp
	address 192.168.0.20
	netmask 255.255.255.0
	network 192.168.0.0
	gateway 192.168.0.1
	broadcast 192.168.0.255
----------------------------------
Note: although not configured here, if I do manually:

	ifconfig eth0 192.168.0.20

I seem to be able to ping from laptop to desktop.

Anthony

--

Kind of strange. The only significant difference I see until yet is that you have a DNS claimed for your Laptop and none fore the desktop PC. But that should not be the point. I think I would like to agree with Clives opinion that your router doesn't do a complete job. Normally in your network a ping should go in both directions...

Can you try another one?

Florian




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