Pretty confident that's a PEBKAC dude :) Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Nov 13, 2014 11:24 PM, "Sterling Jacobson via Af" <af@afmug.com> wrote:
> Fortunately it has a very convenient button right on the interface page > to immediately change the int MAC. > > > > I was on the phone with my provider who helped me identify the problem > from their MAC table. > > > > I hit that change MAC button and problem solved. > > > > The provider guy was completely mystified that I could do that immediately > in real time. > > > > I guess that would be a WIN for Mikrotik over clunky old school gear. > > > > If it hadn’t been Mikrotiks problem to begin with… > > > > *From:* Af [mailto:af-boun...@afmug.com] *On Behalf Of *George Skorup > (Cyber Broadcasting) via Af > *Sent:* Thursday, November 13, 2014 12:18 PM > *To:* af@afmug.com > *Subject:* Re: [AFMUG] For love of all that is evil (mikrotik/routerboard) > > > > Do an /interface ethernet print detail. You'll see if the MAC matches the > orig (hardware) MAC. You can then reset to that original MAC. > > On 11/13/2014 1:13 PM, Ty Featherling via Af wrote: > > I know on Mikrotik if you copy a config from one device to another and > you do not sanitize any MAC addresses in it you can rewrite the MACs on the > new device. Any chance you did something like that? If so a reset to > default config should restore the original MACs. > > > > -Ty > > > > On Thu, Nov 13, 2014 at 1:10 PM, Chuck McCown via Af <af@afmug.com> wrote: > > I recommend you use different MACs on Ethernet devices that are > connected to other Ethernet devices. Especially if they are all on the > same collision domain. > > > > Improper operation may result in having both devices use the same MAC. > > > > Of course this will continue to be a problem until MAC-V6 is widely > implemented, but try to find different MACs. I know they are hard to come > by, but it is sure to make you life easier... > > > > (I used to have a block of MACs assigned to my company. Not sure if I had > to pay Xerox for them or what. Been a long time ago.) > > > > *From:* That One Guy via Af <af@afmug.com> > > *Sent:* Thursday, November 13, 2014 11:48 AM > > *To:* af@afmug.com > > *Subject:* Re: [AFMUG] For love of all that is evil (mikrotik/routerboard) > > > > I always wondered how manufactures reuse their MACs, apparently all in the > same batch > > > > On Thu, Nov 13, 2014 at 12:35 PM, Sterling Jacobson via Af <af@afmug.com> > wrote: > > Freaking hell, I just spent 30 minutes trying to unravel a router mystery. > > Ended up that both of my CCR Mikrotik routers had THE SAME MAC ADDRESSES > between them! > > They are identical. Every port had a consecutive MAC number, but they were > the same numbers for both the SFP and GigE ports across the two routers. > > I'm guessing they flashed them both at the manufacturer the exact same, > then didn't make it through a MAC renumbering. > > Or is this common with Mikrotik now days? > > I'm sure I've encountered it before, but like once every five years. > > Just a FYI for all y'all who use Mikrotiks. > > Watch your backs (I mean MACs)! > > > > > > -- > > All parts should go together without forcing. You must remember that the > parts you are reassembling were disassembled by you. Therefore, if you > can't get them together again, there must be a reason. By all means, do not > use a hammer. -- IBM maintenance manual, 1925 > > > > >
