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
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