Thanks for your reply Tim, both default routes will come in through BGP so no issue there, what I am trying to figure out though is how to configure OSPF on each border router, do I tell them both to advertise that the default route is through them and then increase the cost on the backup with an outbound OSPF filter ? I did try this and one of my other routers lost the default route altogether, I had to bounce it to recover, so I am not sure if I did something wrong or whether the OSPF was flakey, I know OSPF on the Mikrotiks can be a bit temperamental at times so perhaps that's all it was. I want to try and be 100% sure about the implementation of it before I have another go though, the last thing I want is to kill the network with a dodgy filter or something.... I am happy to pay for the consulting work if somebody can give me the correct advice that will definitely work, unfortunately fancy routing stuff isn't my bag and I need to have this perfect first time. Regards Paul -----Original Message----- From: Public [mailto:public-bounces@talk.mikrotik.com.au] On Behalf Of Tim Warnock Sent: Saturday, 22 November 2014 11:37 PM To: MikroTik Australia Public List Subject: Re: [MT-AU Public] Multiple transit provider configuration help
I am thinking that we may need to use some OSPF filters to increase the cost of the secondary default route but I was hoping somebody may be able to advise what settings I will need and what will work the best in this scenario which is really just a backup transit connection.
Thanks in advance !
Regards Paul
This is how I would do it. As long as OSPF itself isn't generating the default route it should work as desired. _______________________________________________ Public mailing list Public@talk.mikrotik.com.au http://talk.mikrotik.com.au/mailman/listinfo/public_talk.mikrotik.com.au