Date: Wed, 1 Jul 2015 13:05:54 +0100 From: Gary Palmer <gpalmer@freebsd.org> To: Julian Elischer <julian@freebsd.org> Cc: freebsd-net@freebsd.org Subject: Re: Same NIC name to MAC mapping on FreeBSD Message-ID: <20150701120554.GA989@in-addr.com> In-Reply-To: <559361B3.9030702@freebsd.org> References: <BY1PR03MB14348857B72B04AE33FE4926BBAA0@BY1PR03MB1434.namprd03.prod.outlook.com> <559131AC.6010304@winterei.se> <BY1PR03MB143410D9C26A8EAFD44898E4BBA90@BY1PR03MB1434.namprd03.prod.outlook.com> <CAJ-Vmomx%2BmaiaWRgWWc3p4YbrC1LWL4NgNN8CCs2XJ=Ew4Yz8Q@mail.gmail.com> <559361B3.9030702@freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, Jul 01, 2015 at 11:42:43AM +0800, Julian Elischer wrote: > On 7/1/15 6:56 AM, Adrian Chadd wrote: > > Hi, > > > > If we don't support this as part of the interface renaming stuff, it > > would certainly be good to. > > > > > > a- > > > > > > On 29 June 2015 at 21:36, Wei Hu <weh@microsoft.com> wrote: > >>> -----Original Message----- > >>> From: owner-freebsd-net@freebsd.org [mailto:owner-freebsd- > >>> net@freebsd.org] On Behalf Of Paul S. > >>> Sent: Monday, June 29, 2015 7:53 PM > >>> To: freebsd-net@freebsd.org > >>> Subject: Re: Same NIC name to MAC mapping on FreeBSD > >>> > >>> On my production systems, I've never seen it deviate without hardware > >>> changes. > >>> > >>> Are you seeing otherwise? > >>> > >> In Hyper-V, if say three NICs were assigned to the VM, I got following mapping > >> Initially: > >> > >> Hn0 -> MAC 0 > >> Hn1 -> MAC 1 > >> Hn2 -> MAC2 > >> > >> Then if I remove the NIC with MAC 1 and reboot, I want the other two interfaces to keep the same > >> Names instead of reassigning hn1 to MAC2. This is a requirement from virtual appliance > >> Vendor to retain such mappings. I am wondering if there is any way to do this without > >> Asking customer or manually editing any config files. > do interface arrivals show up in devd? if so they could be renamed on > arrival > I vaguely remember being able to do this some years ago but I can't > remember the details. I believe they do, yes. In fact I seem to remember a discussion on this in the last year and someone shared either a devd or an rc.d script to ensure static NIC names, however searching the web archvies I couldn't find it Regards, Gary
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20150701120554.GA989>