[kwlug-disc] IP addresses and gateways--my google-fu seems to be lacking

R. Brent Clements rbclemen at gmail.com
Fri Jan 17 18:55:34 EST 2014


So I was able to boot a firewall distro on the netbook, and configure
a Linksys WRT54GL that I had laying around that already had Openwrt
kamikaze on it, and also the netbook's Crunchbang linux to the same
point, then I am stuck.  I was able to get the router device talking
on both networks in every case.  For the record, the gui network
configuration has a switch on the "routes" page that tells the os to
only use that interface for destinations on its own subnet, and if you
select that on all but one you can still access the internet on
whichever one is left.

Still trying to get any one of them to actually route packets from one
interface to the next tho :-(  I guess I need to spend some time
actually learning iptables

Brent

On Thu, Jan 16, 2014 at 6:12 PM, Khalid Baheyeldin <kb at 2bits.com> wrote:
> On Thu, Jan 16, 2014 at 5:37 PM, Bob Jonkman <bjonkman at sobac.com> wrote:
>>
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>>
>> Brent wrote:
>> > It seems like internet traffic is refusing to use the wireless link
>> > when the wired one is connected, even tho there is no route to the
>> > internet
>>
>> There's a BIOS setting on my laptop that automatically disconnects the
>> WiFi whenever I plug in a LAN cable. As far as Network Manager is concerned,
>> I no longer have any WiFi radio hardware (or maybe it thinks I've switched
>> it off with the button above the keyboard, I don't recall).
>>
>> I also don't recall what the wording of that setting is, but I can
>> (and did) disable it. I'm loath to shutdown and poke at my BIOS just now
>> to refresh my memory. Sorry.
>
>
> Or ...
>
> If your laptop has a little on-off switch for WiFi, then switch it off, then
> connect the LAN cable.
>
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