From owner-freebsd-stable  Tue Nov 27 19:39:52 2001
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Date: Wed, 28 Nov 2001 13:39:18 +1000 (EST)
From: Colin Campbell <sgcccdc@citec.qld.gov.au>
To: Kal Torak <kaltorak@quake.com.au>
Cc: FreeBSD Stable <freebsd-stable@FreeBSD.ORG>,
	FreeBSD ISP <freebsd-isp@FreeBSD.ORG>
Subject: Re: Whats with this -> sendto: No buffer space available
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Hi,

Methinks you is out of "mbufs". Try a "netstat -m". You can maybe increase
mbufs by increasing "maxusers" or definitely by adding the fllowing to
your kernel config:

options         NMBCLUSTERS=8192        #network mbuf clusters

Note the 8192 might be too big for your system.

Of course you'll need to rebuild your kernel.

On Wed, 28 Nov 2001, Kal Torak wrote:

> This keeps happening...
>
> I have adsl running on my gateway using pppoe with userppp
> and its internal nat enabled, also a fairly simple ipfw config
> blocking a few ports...
>
> Now every so often all data stops and checking on the gateway
> trying to send something I get the "sendto: No buffer space available"
> error and have to reboot and everything is fine again...

Colin


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