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Date:      Mon, 3 Feb 2003 19:28:03 -0500
From:      "Administrator" <admin@govital.net>
To:        Larry Rosenman <ler@lerctr.org>, Bill Moran <wmoran@potentialtech.com>, stable@FreeBSD.ORG
Subject:   Re: "ping: sendto: No buffer space available"
Message-ID:  <20030204002803.M96973@govital.net>
In-Reply-To: <336740000.1044310229@lerlaptop.iadfw.net>
References:  <20030203212349.GG12779@pir.net> <3E3EE7D5.2010401@potentialtech.com> <336740000.1044310229@lerlaptop.iadfw.net>

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Greetings,

I have seen this occur on numerous occasions from our network as it spans the city via wireless 
links.  I see this most when we get interference on the same channel as someone else when they try 
to use the channels we are on, causing the access points to go a little crazy.  Almost in all cases 
i have seen it has been from interference from other sources causing the interface to temporally 
loose link for a few breif seconds or loss of the access point completely due to interference.  (We 
have some companies around here that don't like to play nice, and we have a very crowded radio 
space.)  Just thought i would throw in my two cents.  :-)

On Mon, 03 Feb 2003 16:10:29 -0600, Larry Rosenman wrote
> --On Monday, February 03, 2003 17:06:13 -0500 Bill Moran 
> <wmoran@potentialtech.com> wrote:
> 
> > Peter Radcliffe wrote:
> >> ping: sendto: No buffer space available
> >> ping: sendto: No buffer space available
> >>
> >> I see this occasionally on my -stable box and havn't had a good
> >> explanation of why and what buffer. Searching isn't turning up
> >> anything useful.
> >>
> >> Is there something I can tweak to make this less likely ?
> >
> > What kind of interface are you pinging through?
> >
> > I've seen this on a VPN where the VPN was running out of entropy
> > (from /dev/random).  I think it was a tun# interface.
> >
> > Could also be an MBUF thing.  Does netstat -m say anything scary?
> I've seen it with NMAP over my WI0 card (Linksys V3).
> 
> MBUF's didn't show anything useful, unfortunately.
> 
> LER
> 
> >
> > --
> > Bill Moran
> > Potential Technologies
> > http://www.potentialtech.com
> >
> >
> > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > with "unsubscribe freebsd-stable" in the body of the message
> >
> 
> -- 
> Larry Rosenman                     http://www.lerctr.org/~ler
> Phone: +1 972-414-9812                 E-Mail: ler@lerctr.org
> US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749
> 
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-stable" in the body of the message



--
Chris Demers
admin@govital.net
www.govital.net
www.govitalhosting.com


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