Date: Fri, 25 May 2001 00:06:37 +0000 From: Gunther Schadow <gunther@aurora.regenstrief.org> To: Jakub Kruszona-Zawadzki <acid@g-em.pl> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: how to configure FreeBSD for big traffic Message-ID: <3B0DA20D.3B9D0525@aurora.regenstrief.org> References: <Pine.BSF.4.21.0105241806140.77481-100000@unix-server.local.g-em.pl>
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Jakub Kruszona-Zawadzki wrote: > > FreeBSD 4.2 > > We have very big www trafic. (about 13 hits/sec on peek - yes 15mln/month) > netstat -n | wc -l , gives numbers about 1500 > > kernel was compiled with option MAXUSERS=512 > and ... > after about a month our server suddenly started to behave a little bit > crazy. First one, then more machines from our LAN lost ability to see > our server. > > my /var/log/messages : > > May 22 18:08:27 szafa1 /kernel: arplookup 192.168.1.72 failed: could not > allocate llinfo > May 22 18:08:27 szafa1 /kernel: arpresolve: can't allocate llinfo for > 192.168.1.72rt > (...) > May 22 18:49:38 szafa1 /kernel: arplookup 192.168.1.1 failed: could not > allocate llinfo > > arp -a wrote nothing: > > su-2.04# arp -a > su-2.04# > > ifconfig -a wrote nothing too: > > su-2.04# ifconfig -a > su-2.04# > > after reboot server works good. > it happened two times. where is the problem ?, how to patch it - static > arps ? or what ? This smells awfully like routing problem. You do firewall/NAT stuff as I can tell from your 192.168.0.0/16 addresses. This can be one cause of problem. Does arp -d -a clear the problem? I have seen the llinfo issue before and this was fixed by straightening out the routes. But I may be wrong. -Gunther -- Gunther Schadow, M.D., Ph.D. gschadow@regenstrief.org Medical Information Scientist Regenstrief Institute for Health Care Adjunct Assistent Professor Indiana University School of Medicine tel:1(317)630-7960 http://aurora.regenstrief.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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