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Date: Thu, 23 Jun 2011 09:25:50 -0400
From: Mike Tancsa <mike@sentex.net>
Organization: Sentex Communications
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To: Adrian Minta <gygy@stsnet.ro>
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Subject: Re: FreeBSD 8.2 and MPD5 stability issues
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On 6/23/2011 8:55 AM, Adrian Minta wrote:
> Hello,
> I am testing a RAS solution and I experience some crashes when the L2TP
> tunnels grow above 3500. The IPv6 is disabled on the box. With IPv6
> enabled the limit is around 1700 (half). Does anyone has a sugesstion
> what I should try next ?

There are many bug fixes to netgraph in RELENG_8.  cvsup to stable as a
start.  How much RAM do you have ? i386 or AMD64 ?

	---Mike
> 
> total traffic: ~ 100mbps
> load averages: ~1.8
> 
> 
> Kernel: FreeBSD 8.2-RELEASE
> MPD5:    mpd-5.5
> 
> /boot/loader.conf
> net.graph.maxdata=65536
> net.graph.maxalloc=65536
> kern.ipc.maxpipekva=320000000
> 
> /etc/sysctl.conf
> net.inet.ip.forwarding=1
> kern.maxfiles=65535
> net.inet.icmp.icmplim=0
> net.inet.ip.fastforwarding=1
> kern.ipc.nmbclusters=1280000
> kern.ipc.maxsockbuf=128000000
> net.graph.maxdgram=10240000
> net.graph.recvspace=10240000
> 


-- 
-------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike@sentex.net
Providing Internet services since 1994 www.sentex.net
Cambridge, Ontario Canada   http://www.tancsa.com/