Date: Thu, 13 Dec 2012 15:33:33 +0400 From: Gleb Smirnoff <glebius@FreeBSD.org> To: Karl Pielorz <kpielorz_lst@tdx.co.uk> Cc: freebsd-net@FreeBSD.org Subject: Re: Arp table size - any adjustments? Message-ID: <20121213113333.GT97487@FreeBSD.org> In-Reply-To: <523DE5571B5BE81B8BA1846F@MightyAtom.tdx.co.uk> References: <523DE5571B5BE81B8BA1846F@MightyAtom.tdx.co.uk>
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On Thu, Dec 13, 2012 at 09:47:12AM +0000, Karl Pielorz wrote: K> I have an FreeBSD amd64 9-STABLE system running as a router for various K> bits and pieces - this has a 'lot' of hosts on it's LAN (literally K> thousands) - most are NAT end points etc. K> K> Looking at the output from 'arp -a -n' it regularly lists 2,000-3,000 K> entries. Is there anything I need to tune for this kind of quantity (or K> more), or is it all 'auto-adjusting' on 9.0-S onwards? Nope, there is no autotuning here yet. The hash table size is hardcoded in sys/net/if_llatbl.h. The name of constant is LLTBL_HASHTBL_SIZE. -- Totus tuus, Glebius.
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