14- OSPF Neighbor Adjacency:4- ospf authentication mismatch ( OSPFسلسة شرح بروتوكول) By learn network|2020-08-15T07:10:03+03:00July 1st, 2017|General-Topics|Comments Off on 14- OSPF Neighbor Adjacency:4- ospf authentication mismatch ( OSPFسلسة شرح بروتوكول) Share this:TwitterFacebookLike this:Like Loading... Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail