https://c2797c86.aww-3cz.pages.dev/tags/database/ Recent content in Database on Aaron's Worthless Words Hugo en Sun, 20 Jun 2010 00:00:00 +0000 https://c2797c86.aww-3cz.pages.dev/posts/2010/06/route-notes-ospf-topology-stuff/ Sun, 20 Jun 2010 00:00:00 +0000 https://c2797c86.aww-3cz.pages.dev/posts/2010/06/route-notes-ospf-topology-stuff/ <p>Feel free to correct.</p> <p><strong>Study Questions</strong></p> <ul> <li>The obvious first question involves the common LSA types and their function.  Can you list them?</li> </ul> <p>Type-1 - Router - Lists each router their connected IP addresses Type-2 - Network - Lists all the transit, or multiaccess, networks Type-3 - Net Summary - Defines a  host route for interarea routes; this is from the ABR Type-4 - ASBR Summary - Defines a host route for an external (to OSPF) route; this is from an ASBR Type-5 - AS External - Lists the networks advertised into OSPF from external sources (redistribution) Type-7 - NSSA External - External routes injected into a not-so-stubby area</p>