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Re: active network connection stops working...

On Fri, Jul 24, 2009 at 6:07 PM, Rick Sewill<rsewill gmail com>
wrote:zeitler<cfzeitler gmail com> wrote:
>> > using fedora11, after a while ( about 1.5 weeks on this computer )
>> > my network connection stops working...
>> thanks to the help offered, i have reduced
>> the problem domain...
>> manually inserting 'nameserver' 's in
>> resolve.conf yields a working system,
>> but i have no idea what causes the
>> loss of dns in the first place...  so i'm
>> not ready to call it a bug...
> This is progress.
> Do we know if the ISP is supposed to dynamically supply the name
> servers?

yes, they (at&t) do.

> but there might be two possibilities since you are using PPPoE.
> 1) You might use a configuration option in
>   /etc/sysconfig/network-scripts/ifcfg-ppp0, namely "usepeerdns=yes"

i have "peerdns=yes"

>   Please see "man pppoe.conf", and let me quote:
> "
>        If set to "yes", then pppoe-connect will supply  the  usepeerdns
>        option  to  pppd, which causes it to obtain DNS server addresses
>        from the peer and create a new  /etc/resolv.conf  file.   Other-
>        wise,  pppoe-connect  will not supply this option, and pppd will
>        not modify /etc/resolv.conf.
> "
> Alternatively, you might be able to put a "usepeerdns" option in
> /etc/ppp/options.
> If you already have usepeerdns=yes
> in /etc/sysconfig/network-scripts/ifcfg-ppp0,
> it is possible that option is being overridden.
> Let me again quote from "man pppd":
> "
>  Options  can  be  taken  from  files as well as the command line.  Pppd
>  reads  options  from   the   files   /etc/ppp/options,   ~/.ppprc   and
>  /etc/ppp/options.ttyname  (in that order) before processing the options
>  on the command line....

> "
> All of this is assuming the ISP will supply you with the name server
> information dynamically.
> If the ISP wants you to configure your name server information manually,
> the question becomes, what changed /etc/resolv.conf and when and why.
i believe that is the question....
i will see about reproducing the problem...

thanks for the tips...

charles zeitler


    Do What Thou Wilt
        Shall  Be
      The Whole  of
         The Law

      -Aleister Crowley

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