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Date: Tue, 16 Sep 2003 23:32:16 -0700
From: Terry Lambert <tlambert2@mindspring.com>
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Subject: Re: pppoe - nmap - No buffer space available
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pilax@freesurf.fr wrote:
> sendto in send_tcp_raw: sendto(3, packet, 40, 0, X.X.X.X, 16) => No buffer
> space available

Your interface is down.  This happens all the time.

If you use PPP on a dialup modem with a normal net connection,
and unplug the modem while you are doing a ping, you will see
the same thing.

The easiest fix is "don't send packets out routes that transit
interfaces which are not up".

-- Terry