From owner-freebsd-net Mon Feb 18 22:21:24 2002 Delivered-To: freebsd-net@freebsd.org Received: from sln01.megadat.com (exchange.megadat.com [195.22.224.154]) by hub.freebsd.org (Postfix) with ESMTP id 74A4D37B400 for ; Mon, 18 Feb 2002 22:21:12 -0800 (PST) Received: by sln01.megadat.com with Internet Mail Service (5.5.2653.19) id <15X2TRC8>; Tue, 19 Feb 2002 08:21:08 +0200 Message-ID: <8E9035BABCA0514EB0E574B6A7082FC305319B@sln01.megadat.com> From: Girnet Vladimir To: "'net@freebsd.org'" Subject: RE: network buffer problem Date: Tue, 19 Feb 2002 08:21:01 +0200 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Content-Type: text/plain; charset="koi8-r" Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org >On Mon, 18 Feb 2002, Randy Bush wrote: > > If you have 4.5 and enough memory one option is to use > > MAXUSERS=0 and remove and "options NMBCLUSTERS" >> >> that's how it is now. >> >> before the latest builds, it uses to be MAXUSERS=96. maybe i should >> revert that. >> >> and i have to open the box sometime soon, so i'll shove a bunch of >> ram in it. >> >> randy >Yep, the autoscaling would have chosen MAXUSERS=64, so you've been running >with fewer NMBCLUSTERS than usual. OTOH, whatever extraordinary event >that caused you to run out of mbuf clusters that one time may very well >also run you out of mbuf clusters even at MAXUSERS=96; mbuf clusters tend >to get eaten pretty quickly. >Either way, adding ram sounds like a good idea. :) >Mike "Silby" Silbersack I found, that NO_MATTER what type of interface do you use on FreeBSD 4.5R. When DUMMYNET is enabled, and use some pipe rulez, ping with packets more than 4096 always got ping: sendto: No buffer space available Looking forward to your reply, Vladimir Girnet To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message