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Re: Newbie networking problems; pppd with Woody.



On Tue, Nov 05, 2002 at 10:05:36PM -0500, Barry Mathieu wrote:
> I've been frustrated for a long time about a problem I'm having with DNS
> lookup. The first time I try to initiate internet connection with pppd I
> consistently receive the following type error:
> 
> barry@debian:/etc/ipmasq$ ping pop.mindspring.com
> ping: unknown host pop.mindspring.com
> 
> -or- 
> 
> fetchmail: couldn't find canonical DNS name of pop.mindspring.com
> fetchmail: Query status=11 (DNS)
> 
> On a second attempt to initiate the connection, the error always goes
> away. I do believe this is some type of DNS error with pppd, but I'm not
> adequately knowledgeable about networking & DNS to understand. I'm
> running Debian 3.0, with 2.2.20, and ppp 2.4.1.uus-4.

Are you using demand-dialing?  If so, then this is working just as
advertised.  The ppp connection isn't brought up until it detects some
packets trying to get to the Internet.  In this case, the packets would
be ping or fetchmail trying to resolve the hostname pop.mindspring.com
to an IP address.  The lookup will fail, since you're not online, but
pppd will dial up immediately, and the lookups will suceed as soon as
you try again.

-rob

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