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All
  • All
  • Announcements
  • Basic Networking
  • Best Practices in Network Design
  • BGP
  • BOOTCAMP ANNOUNCEMENTS
  • Broadband
  • CCDE BOOTCAMP
  • CCDE CERTIFICATION
  • CCDE Preparation Recommendations
  • CCIE SP
  • Certifications
  • Data Center
  • Definitions
  • Design Scenarios
  • Discussions
  • DMVPN
  • EIGRP
  • Fast Convergence
  • FUNNY
  • IGP
  • Inspiring
  • Inter AS MPLS VPN
  • IPv6
  • IS-IS
  • Layer 2 Technologies
  • Life
  • LISP
  • Mobile Broadband
  • MPLS
  • MPLS Traffic Engineering
  • MPLS Transport Profile
  • MPLS VPNs
  • Multicast
  • Network Design
  • Network Monitoring
  • OSPF
  • Peering
  • Quality of Service
  • Segment Routing
  • Sub Marine Cables
  • TCP - UDP - QUIC
  • Transport Network
  • Uncategorized
  • VPN
  • Wireless

Ask these questions before you replace any technology in your network !

If you are replacing one technology with the other, these questions you should be asking. This may not be the complete list and one is maybe more important than the other for your network , …

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Please don’t register to South Africa/Johannesburg CCDE Class, it is full !

Hi Everyone, I would like to inform you that Instructor Led CCDE Class in South Africa/Johannesburg Training is full. So please don’t register for it.

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Telecom Operator Network Design Training

I missed writing , missed writing a post lot on the website specifically !. Because I know you are reading right now and wonder where I have been.

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CCDE Practical/Lab Exam Result Policy

Many of my students have been asking whether CCDE Practical/Lab Exam Result policy is still the same.

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What is GLBP and where GLBP should be used?

GLBP stands for Gateway Load Balancing Protocol. In this article, I will explain where GLBP is used , where it shouldn’t be used with the topologies.

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What is Urban and Rural area in networking ?

What is urban and rural area ? What is underserved area in networking ? These definitions are heavily used in networking. And all broadband network designers take always these definitions into an account while they …

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Congratulations to Roy Lexmond on Passing CCDE Practical Exam!

I am very glad to announce that Roy Lexmond from my April CCDE training class passed CCDE Practical exam yesterday in France.

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Flat/Single Area OSPF network is not a problem!

Flat OSPF network, or single area OSPF networks are real. In fact most of the OSPF network today deployed, is flat OSPF networks. But how many routers can be placed safely in an OSPF area …

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CCDE Study Guide

CCDE Study Guide – Are you looking for a book that will teach you all the topics on advanced technical networking? If so, I would be very pleased to recommend CCDE Study Guide written by …

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Recommended Networking Resources for September 2019 First Week

I would like to share with you every week some networking resources , can be video , article , book , diagram , another website etc. Whatever I believe can be useful for the computer …

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Interdatacenter broadcast control – ARP Proxy in OTV and EVPN

Arp Proxy – When it comes to multi domain or Inter datacenter communication, minimizing the broadcast traffic between the datacenters is an important scaling requirement. Especially if you are dealing with millions of end hosts, …

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EIGRP Feasible Successor

One of the advantages of EIGRP Feasible Successor is that it speeds up the EIGRP. In fact, if there is a Feasible Successor in the EIGRP network, such network converges faster than OSPF or IS-IS.

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