Cisco Routing For The Ccna And Ccnp Administrative Distance

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The textbook definition of “administrative distance” is simple enough: “the measurement of a protocol’s believability”. It’s not enough to know the definition, however you’ve got to know when AD comes into the picture and when it does not. When a packet needs to be routed, the router looks in its routing table for the next-hop […]


Cisco Ccna Certification Exam Tutorial Distance Vector Command Review

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Part of studying for CCNA exam success is keeping all these new commands straight in your head! And let’s face it, there are a lot of commands you need to know in order to pass the CCNA exam and earn that certification. Here’s a review of some very important distance vector and static routing commands […]


Cisco Ccna Ccnp Exam Tutorial Five Debugs You Must Know

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To pass the BSCI exam and move one step closer to CCNP certification success, you’ve got to know how and when to use debug commands to troubleshoot and verify network operations. While you should never practice debug commands on a production network, it’s important to get some hands-on experience with them and not rely on […]


Cisco Ccna Certification Exam Tutorial Variance And Unequal Cost Load Balancing

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To pass the CCNA exam, you’ve got to know how to work with IGRP and EIGRP unequal-cost load balancing. You may not see much IGRP in production networks anymore, but you’ll see a lot of EIGRP, and part of fine-tuning your EIGRP network is making sure that all paths are in use while allowing for […]


Cisco Ccna Exam Tutorial Igrp And Equal Cost Load Balancing

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To pass the CCNA exam, you’ve got to know the role of the bandwidth command with IGRP and EIGRP and when to use it. In this tutorial, we’ll configure IGRP over a frame relay hub-and-spoke network using the following networks: R1 (the hub), R2, and R3 are running IGRP over the 172.12.123.0 /24 network. This […]