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Learn the real way to develop your Cisco router and switch troubleshooting skills from Chris Bryant, CCIE #12933.

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Knowing how to configure and troubleshoot directly connected serial interfaces is a vital part of your CCNA studies. Learn the details from Chris Bryant, CCIE #12933.

The VLAN Trunking Protocol seems simple enough, but it's full of details that can trip you up on the exam! Learn these details and pass the CCNA exam with Chris Bryant, CCIE #12933.

To get your CCNA and CCNP, you’ve got to master a tricky little configuration called “router-on-a-stick�. You will learn how to configure and troubleshoot this important technology in this article by Chris Bryant, CCIE #12933.

Configuring and troubleshooting directly connected Cisco routers seems simple enough, but there are vital details you must know in order to pass the CCNA and CCNP exams and run this config in productions and home lab networks. Learn these details from Chris Bryant, CCIE #12933.

Route redistribution looks easy, but there are details you must master to pass the CCNP exams and become a master networker. Learn how to troubleshoot one common redistribution error from Chris Bryant, CCIE #12933.

Chris Bryant, CCIE #12933, tells CCNA candidates why they need to know the OSI model, and that it's not just for the exams!