RE: DHCP and DNS

[bruce]

Michael,

Hi. As you've by now realized/found out, using a VPN client can often wreck
havoc with your system/dns/ip addresses. In fact, you might actually run
into an issue where you have device conflicts if you happen to have staticly
allocated ip addresses in your network, and you hook to a vpn setup that has
used the same subclass...

gotta be careful these days!!

-----Original Message-----
From: [e-mail]
[mailto:[e-mail]]On Behalf Of Michael H. Semcheski
Sent: Sunday, July 01, 2007 5:08 PM
To: For users of Fedora
Subject: Re: DHCP and DNS

Thanks for the response, Manuel.  Although I've had this problem a few
times, I rebooted today, and most things seem to be working.  The DNS
problem seems to have fixed itself.

I think maybe the problem was actually related to an SSL-VPN client
I'm using (Juniper Network Connect), which is heavy handed, and
changed my DNS suffix and secondary DNS servers.

On 7/1/07, Manuel Arostegui Ramirez  wrote:
> El Domingo, 1 de Julio de 2007 20:08, Michael H. Semcheski escribió:
> > Hello,
> >
> > I've got a laptop with wireless and wired networking.  I'm using
> > NetworkManager.  Couldn't be happier with it, except for one thing.
> >
> > When I right click on the NetworkManager icon, and select "Connection
> > Information", everything seems OK.  Correct IP and DNS information.
> >
> > However, the only way I can get DNS to work is to go into
> > system-config-network, and set the primary DNS there.
> >
> > I want the computer to use the DNS server that the DHCP server tells
> > it, rather than enter it myself.  Any thoughts?
>
> Hi Michael.
>
> What happen if you set up the dns in the /etc/resolv.conf?
>
> I guess that maybe your problem is that the DCHP server is overwritting

your
> resolv.conf, you might want to take a look at
> the: /etc/sysconfig/network-scripts/ifcfg-ethX file and look at the line:
>
> PEERDNS maybe you should try to set it to no:
> PEERDNS=no
>
> Cheers
> Manuel
> --
> Manuel Arostegui Ramirez.
>
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> be used for urgent or sensitive issues.
>
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