On Fri, 2011-12-09 at 13:21 -0700, Craig Baird wrote: > Now here's the weird part. If I lose BGP for connection A, every > Mikrotik V4 or V5 box in my network loses its default route > completely. In contrast, all my V3 or V2.9 (yes, I still have some of > those) routers install the new default route in the routing table, and > off they go without so much as a blink. If I do a 'routing ospf lsa > print', the LSA for the new default is there. But it never gets > installed in the routing table.
I have seen this on networks that are MT ONLY. > In order to get these V4 and V5 > routers to pick up the default, all I have to do is make a change to > OSPF somewhere on the network. I can make that change anywhere on the > network. It doesn't have to be on one of the V4 or V5 routers. Any > simple change will suddenly make these routers pick up the new default. My "solution" was to write a script that restarts OSPF on one router that is not really that important to the network. > I've been googling on this and found a few similar posts on the MT > forum, but nothing where MT has ever acknowledged that it's a bug. It > sure looks like one to me though, since it only affects V4 and V5 > routers. I have a difficult time believing that such a bug could > exist through an entire release's life cycle and well into the next > without being fixed. This is a tough bug to describe and nail down exactly what is happening and what causes the bug to show up. I'd suggest sending your request to [email protected] and see if they have any input. If they can duplicate the issue, then a fix may be on the horizon. -- ******************************************************************** * Butch Evans * Professional Network Consultation * * http://www.butchevans.com/ * Network Engineering * * http://store.wispgear.net/ * Wired or Wireless Networks * * http://blog.butchevans.com/ * ImageStream, Mikrotik and MORE! * * NOTE THE NEW PHONE NUMBER: 702-537-0979 * ******************************************************************** _______________________________________________ Mikrotik mailing list [email protected] http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS
