Date: Sat, 22 Oct 2011 02:29:11 +0100 From: "Steven Hartland" <killing@multiplay.co.uk> To: "Mike Tancsa" <mike@sentex.net> Cc: freebsd-net@freebsd.org Subject: Re: very strange arp problem after ip move - icmp works udp doesn't Message-ID: <B86341158B2F45A18213DC2F15576778@multiplay.co.uk> References: <02FFC9CF360C4E2F81B00B653DE1584E@multiplay.co.uk> <B143A8975061C446AD5E29742C53172315C5C1@PWSVL-EXCMBX-01.internal.cacheflow.com>, <B92A9B07196A4885B4C162FBD91E91C0@multiplay.co.uk> <78997A42-95E7-4DF4-890C-BBDFE1CE4B03@bluecoat.com><4D86495397B9404D80C693302B6438F6@multiplay.co.uk> <4EA213E3.4040406@sentex.net>
next in thread | previous in thread | raw e-mail | index | archive | help
----- Original Message ----- From: "Mike Tancsa" <mike@sentex.net> >> Seems like the flow table is pretty broken then with respect >> changing arp entries, at least in 8.2-RELEASE :( > > Its been removed from the default kernel back in April > > Author: bz > Date: Sat Apr 9 12:04:35 2011 > New Revision: 220486 > URL: http://svn.freebsd.org/changeset/base/220486 > > Log: > MFC r219775: > > For now remove options FLOWTABLE from the remaining GENERIC kernel > configurations and make it opt-in for those who want it. LINT will > still build it. > > While it may be a perfect win in some scenarios, it still troubles users > (see PRs) in general cases. In addition we are still allocating > resources > even if disabled by sysctl and still leak arp/nd6 entries in case of > interface destruction. > > Discussed with: qingli (2010-11-24, just never executed) > Discussed with: juli (OCTEON1) > PR: kern/148018, kern/155604, kern/144917, kern/146792 Yep found that, but it was post 8.2 so don't have it here and tbh if its that broken that an IP move doesn't work it could also do with some serious warning if enabled, otherwise some unsuspecting sole is going to end up in a similar situation to us tonight, scratching their heads thing WTF!!! Regards Steve ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster@multiplay.co.uk.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?B86341158B2F45A18213DC2F15576778>