Bug 16881 - First packet send (first dns lookup) fails with on demand dialing
First packet send (first dns lookup) fails with on demand dialing
Product: Red Hat Linux
Classification: Retired
Component: wvdial (Show other bugs)
i386 Linux
medium Severity medium
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Assigned To: Nalin Dahyabhai
Depends On:
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Reported: 2000-08-24 11:24 EDT by Hans de Goede
Modified: 2007-04-18 12:28 EDT (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2004-06-02 10:33:24 EDT
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Description Hans de Goede 2000-08-24 11:24:35 EDT
Setup a pots ppp link with on demand dialing, do:
telnet <existing and resolving host>

And you get a:
hostname lookup failure

Response, notice the failure message instead of the "Unknown host" message
given when you try to telnet to an unknown host.

I tried doing "echo 1 > /proc/sys/net/ipv4/ip_dynaddr", before ifupping the
ppp interface as documented, but that doesn't help.

I tried this with:
-a ppp asigned DNS, but there were already other correct and public
available DNS entries in /etc/resolv.conf.
-the correct (normally ppp asigned DNS) in /etc/resolv.conf and PEERDNS

Also see bug 16640 where this was first discussed.
Comment 1 Hans de Goede 2004-06-02 10:33:24 EDT
This bug is ancient and I don't have the setup to reproduce this
anymore what do we do?

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