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  • Audio Series 1: IP Routing – OSPF & ISIS

    By admin | June 22, 2009

    image The Audio Series 1 contain:

    01. Introduction to OSPF

    02. OSPF Timers

    03. OSPF Network Types

    04. DR BDR Election

    05. OSPF over Frame Relay – Non Broadcast

    06. OSPF over Frame Relay – Broadcast

    07. OSPF over Frame Relay – Point-to-Multipoint

    Read the rest of this entry »

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    Topics: Audio Series, Audio&Video&EBook | No Comments »

    CCIE Voice Lab Exam Adding Short Answer Questions

    By admin | June 20, 2009

    Effective July 16, 2009, the new CCIE Voice Lab Exam v3.0 will be live for test candidates. Also effective July 16, 2009, the Cisco CCIE Voice Lab Exam will feature a new type of question format in a section called Core Knowledge. In this new section, candidates will be asked a series of four open-ended questions that require a short, typewritten response (typically several words). The questions will be randomly drawn from a pool of questions on topics currently eligible for testing on the CCIE Voice Lab Exam. No new topics are being added. Candidates will have up to 30 minutes to complete the Core Knowledge section of the exam, and may not return to the questions later. First introduced to the CCIE Routing and Switching lab exam in February 2009, Core Knowledge questions will eventually be added to all CCIE tracks. The changes allow Cisco to maintain strong exam security, and they help ensure that only qualified candidates are awarded CCIE certification.

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    Topics: Cisco News | No Comments »

    Lammle Press CCNA 14 Module DVD – BitTorrent

    By admin | June 13, 2009

    image Get the foundation you need to prepare for the Todd Lammle Cisco® authorized CCNA Boot Camps. Order Self-Paced Training on DVD from Lammle Press!

    Todd Lammle, CCNA/CCNP/CCSP/CCVP, CEH/CEFI, FCC RF Licensed, popular Sybex author and trainer at GlobalNet Training has been involved in computers and networking with Fortune 500 companies for over two decades. He has worked for large companies such as Hughes Aircraft, Xerox, Texaco, Toshiba, Cisco, AAA and IBM, among many others.

    Todd has shared his networking knowledge and experience in more than 45 Sybex study guides, including his best selling Cisco CCNA Study Guide. Widely regarded as a best selling author, even surpassing the sales of Cisco Press.

    Module 1 Internetworking

    Introduction to basic networking Hardware and logical addressing OSI Reference Model The seven layers and their functions Ethernet Networking …

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    Topics: Audio&Video&EBook, CCNA, CCNA R&S, Other Press | 7 Comments »

    The summarization of EIGRP – BSCI

    By admin | June 12, 2009

    The characteristics of EIGRP follow:

    § Hybrid routing protocol (distance vector that has link-state protocol characteristics).

    § Use DUAL, first proposed by E. W. Dijkstra and C. S. Scholten, to perform distributed shortest-path routing while maintaining freedom from loops at every instant. Although many researchers have contributed to the development of DUAL, the most prominent work is that of J. J. Garcia-Luna-Aceves.

    § Cisco Proprietary created in 1994.

    § First released in IOS 9.21

    § Uses IP protocol 88.

    § Makes Automatic summarization on network Class boundary.

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    Topics: CCNA, CCNA Articles, CCNA R&S | No Comments »

    R&S Quick Notes – IGP’s

    By admin | June 12, 2009

    RIP

    EIGRP

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    Topics: CCIE R&S, Quick Notes | No Comments »

    How to Pass CCIE Lab Insider’s Tips

    By admin | June 10, 2009

    Himawan Nugroho, CCIE #8171

    Just another guy who wishes to be an expert one day. Discovers the future one day at a time. His greatest fear is becoming a guy without specialties.
    The first and the only Indonesian Triple CCIE till date.

    ◆ Triple CCIE #8171 in Routing & Switching, Security and Service Provider track
    ◆ 8+ years experience in Networking: SP, Data Center, UC, Wireless, Security
    ◆ Broad experience within Asia Pacific and Middle East
                 2000 – 2001 Schlumberger Omnes, Indonesia
                     NOC Engineer to maintain the internal network within Asia and Australia    

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    Topics: CCIE Track, Cisco Cert Introduction | No Comments »

    GNS3 – Start Your Lab

    By admin | June 10, 2009

    image GNS3 is a good simulator, and many people use it. B Haines has written a post about the GNS3, maybe useful for you!

    I wanted a reference to get GNS3 installed and running with links to important sites so here it is! Enjoy!

    I. First you need to download and install GNS3. It is available from here:

    http://www.gns3.net/

    II. Second you will want to download the IOS Unpack utility available here:

    http://www.gns3.net/content/cisco-image-unpacker

    III. Install GNS3! Here is a link to a very good tutorial that covers both Windows as well as Linux (Ubuntu) installs. This tutorial also covers configuration such as IDLEPC values, BESS et. al. (Note: If this link is broken then search the GNS3 website)

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    Topics: Simulator & SoftWare | 2 Comments »

    Simple configuration of Context-Based Access Control

    By admin | June 9, 2009

    Technical characteristics:

    1. Traffic filtering

    CBAC checks not only the information of the network layer and the transport layer but also the information of the application layer.

    It can also filter the http traffic and block java plug-in

    2. Traffic monitoring

    CBAC monitors the traffic passing through the router and handles the TCP and UDP state information which can be used to generate the temporary list to release the rebound traffic and other traffic allowed.

    3. Alert and audit

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    Topics: CCSP, CCSP Articles | No Comments »

    EIGRP Stub Routers

    By admin | June 8, 2009

    Enhanced Interior Gateway Routing Protocol (EIGRP), Cisco’s proprietary yet hugely successful and widely deployed routing protocol, is known to behave disappointingly in inadequately designed networks. Cisco has improved EIGRP’s behavior dramatically with the introduction of stub routers in Cisco IOS release 12.0(7)T (integrated in IOS release 12.1, thus being available for a number of years). However, this feature has remained a well-hidden mystery, appearing in a short whitepaper, a Networkers presentation and getting five slides (almost identical to the Networkers presentation) in the release 3.0 of the Building Scalable Cisco Internetworks (BSCI) course.

    In this article, we’ll explore the typical problems that the EIGRP stub routers help to solve, see how the introduction of stub routers improves network stability, and implement a fully redundant remote location (stub site); yet another very common design requirement that is not documented anywhere.

    Introduction to Stub Routers

    Let’s start with an easy example: here is a central site router linked to a large number of remote offices over slow speed or unreliable links (Figure 1).

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    Topics: CCNP, CCNP Articles | No Comments »