That's exactly what it does. The second one can be used in stable networks when you don't want to re-flood everything every 30 minutes. What constitutes a stable network is more-less a policy decision :-).
-- Marko Milivojevic - CCIE #18427 Senior Technical Instructor - IPexpert FREE CCIE training: http://bit.ly/vLecture Mailto: [email protected] Telephone: +1.810.326.1444 Web: http://www.ipexpert.com/ On Fri, Nov 19, 2010 at 12:39, Bojan Zivancevic <[email protected]> wrote: > I will just reply to myself... :) > > > > Could it be that ip ospf flood-reduction command is used to filter LSA > flooding that occurs after 30 minutes? Every router after 30 mins floods all > LSAs that he advertised originally etc. etc. > > > > database-filter all out just stops every LSA update. No LSAs coming out, > period. OK. Nice for hub/spoke networks, especially with slow links ... > > > > But what about that first one? When should we use it? > > > > Best Regards, > > > > Bojan Zivancevic > > Network Engineer > > > > From: Bojan Zivancevic [mailto:[email protected]] > Sent: Friday, November 19, 2010 11:42 > To: [email protected] > Subject: [OSL | CCIE_RS] OSPF: flood-reduction and/or database-filter all > out? > > > > Can somebody explain the exact difference between these two? Maybe I should > rephrase that... I found adequate info on the database-filter command, and > can understand its purpose. But I cannot find anything detalied enough for > the flood-reduction command. > > > > Doc-CD is not useful for these commands, in my opinion. Not much info there. > > > > Best Regards, > > > > Bojan Zivancevic > > Network Engineer > > _______________________________________________ > 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
