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All
  • All
  • Announcements
  • Basic Networking
  • Best Practices in Network Design
  • BGP
  • BGP Security
  • BOOTCAMP ANNOUNCEMENTS
  • Broadband
  • CCDE BOOTCAMP
  • CCDE CERTIFICATION
  • CCDE Preparation Recommendations
  • CCIE Enterprise Infrastructure
  • CCIE SP
  • Certifications
  • Cisco SD-WAN
  • Cloud Computing
  • Data Center
  • Definitions
  • Design Scenarios
  • Discussions
  • DMVPN
  • EIGRP
  • Fast Convergence
  • FUNNY
  • IGP
  • Inspiring
  • Inter AS MPLS VPN
  • IOT
  • 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
  • SD-Access
  • SD-WAN
  • Security
  • Segment Routing
  • Service Provider Networks
  • Sub Marine Cables
  • TCP - UDP - QUIC
  • Transport Network
  • Uncategorized
  • VPN
  • Wireless

Introduction to Disaster Recovery

Disaster Recovery – Businesses want to choose reliable equipments, components and technologies while designing a network. You may deploy most reliable equipments from your trusted vendor or deploy most mature technologies with carefully do not …

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4 people passed CCDE Lab with my CCDE training recently!

I realised just now that I didn’t share the names of the people who used my CCDE resources and got their CCDE numbers recently.

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CCIE vs. CCDE

CCIE vs. CCDE is probably one of the most frequently asked questions by networking experts.

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VRF-Lite+GRE/dot1q or MPLS L3 VPN

VRF-Lite + GRE – I am going to create a new category on the blog which we will discuss together the different technologies,protocols, designs and architecture.

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MPLS over IP Encapsulations and Comparison between MPLS over LSP

MPLS over IP Encapsulations – Do you need an LSP for MPLS ? In this post, I will go through below topics. This is one of the points which network engineers struggle to understand as …

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Design considerations for network mergers and acquisitions

Network mergers and acquisitions are the processes which can be seen in any type of businesses. As a network designers, our job to identify the business requirements of both existing networks and the merged network …

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Do You Really Need Quality of Service?

Quality of service (QoS) is the overall performance of a telephony or computer network, particularly the performance seen by the users of the network.

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Tier 1, Tier 2 and Tier 3 Service Providers

What is tier in the first place ? If you are dealing with Service Provider networks, you hear this term a lot. But how we define Tier 1,Tier 2 and Tier 3 Service Providers ?

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What is reliability in networking?

What is reliability in networking ? Why reliability is an important design tool ? I will provide the answers of these questions with the examples in this post.

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Is Fate Sharing bad thing in network design?

Fate sharing in networking – Is fate sharing bad thing in network design? Someone asked this question recently on my youtube channel and I want to share a post for the website followers as well. …

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Packet loss with Fast Reroute!

Packet loss with fast reroute – Do we still lose packet with fast reroute? One of my students asked me this question. And I would like to share the answer with everyone.

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I discussed some IP Mobility solutions including LISP!

Couple days ago I discussed some IP Mobility solutions, including LISP (Locator Identity Separation Protocol) with the CCDE students.

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