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Re: Only wireless, no eth0



Hi there,

> What are the contents of your /etc/network/interfaces file?  If it has
> any entries at all for eth0 then network-manager won't touch it.  By
> entries I mean "auto eth0", "allow-hotplug eth0", "iface eth0 ..." and
> so forth.  See /usr/share/doc/network-manager/README.Debian for more
> details.  If your eth0 isn't being managed by network-manager then I
> presume that you have an entry for eth0 installed there.

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
allow-hotplug eth0
iface eth0 inet dhcp


> If you really didn't give it a passphrase for wifi encryption then you
> must be connecting to an open access point.  Hover over the nm-applet
> icon and see what tool-tip is displayed.  It will tell you what
> network you are connected to and if wifi the signal strength.  Left
> click on the nm-applet icon and it will pop up a pull down menu of
> known access points.  The one you are connected to will be selected.
> Between the name and the signal strength bar will be an icon if the
> access point is secured with encryption.  If it is open there won't be
> an icon there.

This is getting bizarre... yes there's a secured icon there.  But it
didn't ask me for a password - I checked with my girlfriend's laptop -
and sure enough it asked for it.

> By default network-manager will prefer a wired connection.  If you
> plug in a wire it will notice the link status change and automatically
> drop the wifi connection and connect to the wired network.

No, it's not!

> testing you can right-click on the nm-applet and disable wireless
> entirely.  That will prevent it from connecting to wireless!  Then you
> can debug your wired connection issues in isolation.  In the
> right-click menu is an "Edit Wireless Networks".  You can delete
> unwanted wifi connections and other actions.

I got zero internet if I disable wireless.

> Disclaimer: I am not updated with the latest Squeeze.  This certainly
> applies to Lenny.  I may have stale information concerning Squeeze and
> Sid if something has changed there.

This is all very weird eh?

> Use of network-manager is a love-hate relationship with many of us.
> Sometimes a lot more hate than love there. :-)

I remember running etch and NM being a source of much frustration...

H


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