Well then Mikrotik, the bug can be replicated!
On Sat, Apr 5, 2014 at 9:55 PM, Joey Gottlieb <[email protected]> wrote: > We have a variation on this one - We have a redundant PC with a VIP at > several sites. The 6.x CCR's will not update the ARP table with the > correct MAC when the PC's switch roles. Deleting the MAC associated with > the VIP immediately corrects the issue. In our case it seems that the > order of the MAC seems to affect if/when the problem happens. > > > >After scratching my head for a day I just figured out what is causing > these > >support calls where nothing seems wrong except the user cannot get online. > >Turns out the CCR I have routing this part of the network is experiencing > a > >bug in the ARP table. For whatever reason, customers would get an IP > >assigned but that IP address had a different MAC attached in the ARP table > >on the CCR. Delete the entry manually and it immediately adds the correct > >one it and everything is fine. The ARP timeout is set to the default and > >lowest possible 30 minutes. > > >A forum search for 6.x ARP bug found this report of the same issue. > >http://forum.mikrotik.com/viewtopic.php?f=2&t=78773 > > _______________________________________________ > Mikrotik mailing list > [email protected] > http://mail.butchevans.com/mailman/listinfo/mikrotik > > Visit http://blog.butchevans.com/ for tutorials related to Mikrotik > RouterOS > -- -RickG KyWiFi -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.butchevans.com/pipermail/mikrotik/attachments/20140406/166ab5df/attachment.html> _______________________________________________ Mikrotik mailing list [email protected] http://mail.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS

