Using the ip default-network Command

RIP and EIGRP can inject default routes by using the ip default-network command. To do so, the following must be true on the local router:


The original motivation for developing EIGRP was simply to make IGRP classless. But early in the development the engineers working on the project recalled some academic proposals for a new kind of convergence algorithm and decided to use that algorithm in their extension of IGRP. The result was a p...

Simplifying QoS

In the late 1990s, Cisco spent significant development effort to implement an extensive QoS tool and feature set. The portfolio of QoS mechanisms and options became very rich and, simultaneously, very complicated to deploy. During the early 2000s, the predominant customer feedback relating to QoS wa...

Frame Relay Virtual Circuits

v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} Frame Relay relays or forwards frames from the source to the destination through a Frame Relay network on virtual path connections. These virtual ...

EIGRP Authentication Configuration Checklist

The EIGRP authentication configuration process requires several commands, which are summarized as follows: Step 1.    Create an (authentication) key chain: Create the chain and give it a name with the key chain name global command (also puts the user into key chain config mode). T...

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