Cisco Ccna Ccnp Certification Exam Troubleshooting Direct Serial Connections

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A prime topic of your CCNA and CCNP CIT exams will be connecting Cisco routers directly via their Serial interfaces, and while the configuration is straightforward, there are some vital details and show commands you must know in order to pass the exams and configure this successfully in production and home lab networks. Let’s take […]


Cisco Ccna Certification Exam Tutorial Configuring Dialer Profiles

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The most common method of configuring ISDN is with dialer maps, but dial information can also be configured on a logical interface. To pass the CCNA exam, you must know how to configure and troubleshoot both dialer maps and dialer profiles. Dialer Profiles allow different dialing information to be configured onto logical interfaces. The logical […]


Cisco Ccna Ccnp Certification Exam Lab Frame Relay Subinterfaces And Split Horizon

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Earning your Cisco CCNA and CCNP is a tough proposition, and part of that is the fact that you quickly learn that there’s usually more than one way to do things with Cisco routers – and while that’s generally a good thing, you better know the ins and outs of all options when it comes […]


Cisco Ccna Exam Tutorial Troubleshooting Directly Connected Serial Interfaces

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CCNA exam success depends largely on noticing the details, and this is especially true of configurations involving directly connected serial interfaces. And of course, it’s not enough to notice these details – you’ve got to know what to do about them! A Cisco router is a DTE by default, but directly connecting two DTEs with […]