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All
  • All
  • Announcements
  • Basic Networking
  • Best Practices in Network Design
  • BGP
  • Broadband
  • CCDE BOOTCAMP
  • CCDE CERTIFICATION
  • CCDE Preparation Recommendations
  • Certifications
  • Definitions
  • Design Scenarios
  • Discussions
  • DMVPN
  • 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
  • OSPF
  • Peering
  • Segment Routing
  • Transport Network
  • Uncategorized
  • VPN
  • Wireless

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?

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. First of all, what is …

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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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CCDE Before and After!

Don’t expect technical topic in this post. Instead I wanted to show how was my situation before and after the CCDE – Cisco Certified Design Expert !. Enjoy 🙂

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Fast Convergence and the Fast Reroute – Definitions/Design Considerations in IP and MPLS

Fast Convergence and the Fast Reroute Network reliability is an important design aspect for deployability of time and loss sensitive applications. When a link, node or SRLG failure occurs in a routed network, there is …

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BGP Next-Hop Behaviour in IP and MPLS Networks

One of my CCDE bootcamp students asked a question about next hop in MPLS VPN network. So, I would be very pleased to explain the BGP next hop behaviour both in IP and MPLS network …

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IS-IS Routing Protocol Interview Questions

IS-IS is a link state routing protocol. Commonly used in Service Provider networks.

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Quality of Service Best Practices

What is best practice ? Below is a Wikipedia definition of best practice. This apply to education as well. A best practice is a method or technique that has been generally accepted as superior to …

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MPLS Transport Profile (MPLS-TP) Basic Explanation and Key Points

Multi-Protocol Label Switching Transport Profile (MPLS-TP) is a new technology developed jointly by the ITU-T and the IETF. The key motivation is to add OAM functionality to MPLS in order to monitor each packet and …

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Carrier Supporting Carrier – CSC

CSC Carrier Supporting Carrier is a hierarchical MPLS VPN architecture between the Service Providers.

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The difference between Load balancing and Load Sharing

It is important to understand the difference between load balancing and load sharing.

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