Re: PPPoE and ADSL problem (1 solution)

From: Stephen Harris (cyberdiction_at_hotmail.com)
Date: 12/03/03 

Date: Wed, 03 Dec 2003 04:34:37 GMT

"Tero Pihlajakoski" <tepihlaj@nopaju.spamoulu.fi> wrote in message
news:bqief1$21f$1@ousrvr3.oulu.fi...
> ---
>
> Hi,
>
> I recently re-installed linux as a second operating system along WinXP. I
> had huge problems getting up the internet connection (For finnish
> googlers: Baana, Cisco, 575 LRE). I managed to connect exactly 2 times
> (both with perfect connections). But after I'd shutdown and restarted, the
> system, it failed to connect with _any_ the PPPoE clients I found on the
> net.
>
> Ok, the solution:
>
> I never turned off (complete shutdown) the computer _and_ the ADSL modem.
> It seems that XP puts the modem or the network card to some sort of
> hibernate (or powersave) when it terminates (sigh). Linux then doesn't
> automagically reset the setting... On my modem this is apparent from the
> fact that the eth - light on the box "can't be lit" with normal means
> (like ifconfig or ifup).
>
> So it was Windows after all...
>
> Does anyone know a more flexible way to solve this? I want to be able to
> 'restart' windows and boot directly to Linux.
>

This seems related: http://www.mcmaster.ca/cis/network/vpn/vpnfaq.html#t1

Screen savers, hibernation/sleep mode, and the VPN software
"On several operating systems, the Cisco VPN client will have problems when
the system engages a screen saver, goes into hibernation, or goes into sleep
mode. This is because the VPN client expects to have constant communication
with the server. When the system goes into a state of lower activity, some
hardware devices can also be put into standby, including wireless and
Ethernet cards. If this is done, it interrupts the network connection the
VPN client is using to communicate with the server.

On Windows, some network cards are put into standby when a screen saver
engages or hibernation starts. While there have not been reports of Windows
machines freezing, the VPN client often becomes unable to communicate with
the server even after the screen saver or hibernation is ended and normal
network card activity resumes. Stopping and restarting the client will not
solve the problem; you will need to reboot the system in order to be able to
connect correctly again.

You should always log out of the VPN client software and exit it before
letting your system go into screen saver or hibernation mode."

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