I agree with Matt's methodology as I did that myself for a customer network, apart from point 5, I will have to try that next time! ;-)
Sent from my iPhone 4 On 30 Nov 2010, at 22:07, Matt Hill <[email protected]> wrote: > Protocol number is 89. That's almost 90 :) > > Seriously though... > > Best way to do this is this way: > > 1) Turn on OSPF - note that it is working (show ip ospf etc) > 2) Bump static routes admin distance >110. I prefer to go something > like 225 because it is also greater than iBGP and leaves less room for > a balls-up > 3) Do a show ip route on EVERY device. Ensure that all your routes > are O and you have no S. If you miss a network statement in step 1 it > will be apparent here before you break anything. > 4) Once you are sure all your routes are learned via OSPF and not > static, remove static routes. > 5) Martini. Shaken, not stirred. > > Cheers, > Matt > > CCIE #22386 > CCSI #31207 > > On 1 December 2010 01:39, marc abel <[email protected]> wrote: >> Thank you for your reply. Sorry not enough coffee this morning, of course >> ospf is AD 110. >> >> On Tue, Nov 30, 2010 at 8:35 AM, Christophe Lemaire >> <[email protected]> wrote: >>> >>> Hi Marc, >>> >>> It will be transparent as the routers will already have the OSPF >>> routes "hidden" by the static routes. >>> >>> For your info, OSPF AD is 110. :-) >>> >>> Christophe >>> >>> >>> On Tue, Nov 30, 2010 at 3:10 PM, marc abel <[email protected]> wrote: >>>> I would like to implement OSPF on a network that currently has static >>>> routes >>>> everywhere. If I bring up the ospf routes (AD 90) behind the static >>>> routes >>>> (AD 1) and get all the ospf processes converged will there be any period >>>> of >>>> un-reachability when I remove the static routes and let it fall back to >>>> the >>>> OSPF routes? Does it take a couple seconds for the router to begin using >>>> the >>>> OSPF routes or should this be a transparent change? >>>> >>>> Thanks in advance, >>>> >>>> Marc >>>> >>>> _______________________________________________ >>>> For more information regarding industry leading CCIE Lab training, >>>> please >>>> visit www.ipexpert.com >>>> >>>> >> >> >> _______________________________________________ >> For more information regarding industry leading CCIE Lab training, please >> visit www.ipexpert.com >> >> > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com
