RIP timers and reality, #3 (HOLDDOWN again)

We’re now going to test a different topology introduced at the end of article #2. We are now going to test the HOLDDOWN timer of RIP when the backup router send a route with a metric higher than the primary router. In this series of tests, we’ll see

RIP timers and reality, #2 (HOLDDOWN)

Let’s continue our discovery of the RIP timers in a slightly different topology, and discover the odd Holddown timer. Second configuration [https://bibelo.info/content/images/wordpress/2012/09/Blog-article-Config2.png] Normal situation: R101 advertises R100 for NETWORK with a RIP metric of 1. R100 has one route for

Cisco IP unnumbered inside

What is IP unnumbered? In Cisco routers, the ip unnumbered <other_interface> command allows you to borrow the IP address of another interface. Although the Cisco help page [http://www.cisco.com/en/US/tech/tk648/tk362/technologies_tech_note09186a0080094e8d.shtml#unnumbered_iface] explains in detail how to