Summary: Route summarization requires a knowledge of binary conversion, as well as knowing how each protocol responds to summarization. Learn how OSPF does so from Chris Bryant, CCIE #12933. Keywords: Ccnp, bsci, exam, free, pass, tutorial, route, summarization, ospf, null, interface, redistribution,, Bryant, advantage, 12933, ccie, ccna Article Body: CCNP exam success, particularly on the BSCI...

Summary:To earn your CCNP certification, you've got to know how the different QoS service types operate.  Learn the basics from Chris Bryant, CCIE #12933. Keywords:cisco, ccnp, certification, exam, bcmsn, quality, of, service, diffserv, differentiated, services Article Body:To pass the CCNP exams, you’ve got to master Quality of Service, and the first step in doing so is knowing the...

Summary:Troubleshooting EIGRP SIA routes is a challenge for any networker. Learn the basics for the CCNP exam from Chris Bryant, CCIE #12933. Keywords:ccnp, certification, bsci, exam, pass, free, eigrp, sia, stuck, in, active, router, configure, ccna Article Body:Passing the BSCI exam and earning your CCNP is all about knowing the details, and when it comes to EIGRP SIA routes, there are plenty...

Summary:To pass Cisco certification exams, you have to know more than one way to do things.  Learn another method of configuring ISDN callback from Chris Bryant, CCIE #12933. Keywords:ccnp, bcran, pass, free, caller, id, callback, ppp, isdn, cisco, certification, exam, ccie, ccna Article Body:As a CCNA and/or CCNP candidate, you've got to be able to spot situations where Cisco router...

Summary:As a CCNA and CCNP, you've got to be ready for the unexpected.  In the field, sometimes you can use the same command on two different devices and get very different results.  Learn why, and how to handle this situation, from Chris Bryant, CCIE #12933. Keywords:ccna, ccnp, bsci, bcran, free, exam, tutorial, span, tree, protocol, router, switch, ios, 5000 Article Body:As a CCNA...

Summary:Access lists are packed with details and pitfalls, and you've got to notice both to pass the CCNA exam.  Learn the basics and get certified with Chris Bryant, CCIE #12933. Keywords:cisco, ccna, certification, exam, pass, access, list, order, host, lines, order, acl, deny, implicit Article Body:To pass the CCNA exam, you have to be able to write and troubleshoot access lists. As you...

Summary:CDP seems simple enough, but there are plenty of details to master in order to earn your CCNA!  Learn these details from Chris Bryant, CCIE #12933. Keywords:cisco, ccna, exam, cdp, discovery, protocol, switch, router, walk, network, pass, bryant, chris Article Body:The Cisco Discovery Protocol (CDP) sure looks simple enough, but there are quite a few details to know for success on...

Summary:Configuring standard ACLs is a skill you'll use on all your Cisco exams.  Learn the basics from Chris Bryant, CCIE #12933. Keywords:cisco, ccna, exam, pass, certification, access, list, standard, wildcard, mask, extended, named Article Body:Access Control Lists (ACLs) allow a router to permit or deny packets based on a variety of criteria.   The ACL is configured in global...

Summary:Mapping the OSI model to the TCP/IP model is a vital skill for CCNA exam success.  Learn the details of both models from Chris Bryant, CCIE #12933. Keywords:Ccna, exam, certification, tcp, ip, model, networking, osi, session, transport, application, network, mapping, map, free, tutorial Article Body:The OSI model is the model that most networking personnel are familiar with, but to...

Summary:You must master multicasting to become a CCNP.  Learn the basics of multicasting from Chris Bryant, CCIE #12933. Keywords:cisco, ccnp, certification, bcmsn, multicasting, reserved, addresses, router, switch, igmp, pim, rp Article Body:Ever since you picked up your first CCNA book, you've heard about multicasting, gotten a fair idea of what it is, and you've memorized a couple of...