CEF and load sharing

April 4th, 2009 mmahmoud Posted in Bury the hatchet, Routing 6 Comments »

Load-sharing is one of the clumsy areas that is full of confusing parts. In this post we should be covering its ABCs, and latter on we should be covering more parts in details. We chose the name “CEF and load sharing” as the post name due to the main role that CEF plays when talking [...]

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IS-IS and fast convergence ongoing tricks

March 22nd, 2009 mmahmoud Posted in Bury the hatchet, ISIS, MPLS, Network Design 6 Comments »

Been a while since my last post, I was extremely busy doing a lot of things, anyway I am glade to be back. This post I am going to cover a nice tool for enhancing IS-IS convergence, I am really amazed by the ideas that the guys out there pop up. Inventing such wonderful tools [...]

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LDP neighbor discovery, session establishment and maintenance

January 19th, 2009 mmahmoud Posted in Bury the hatchet, MPLS 11 Comments »

Team working is all about producing results with a group of people you love working with … Being part of the same team, working together all day long we decided to extend this level of team working from being members of the same team and writing in the same blog to even write this post [...]

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BGP performance tuning – Convergence, Stability, Scalability and NSF (Part 3)

January 16th, 2009 mmahmoud Posted in BGP, Bury the hatchet No Comments »

Lets continue our BGP performance tuning discussion. Sorry for the long delay but I was deeply busy in some other stuff. During the last couple of days I’ve attended Cisco Expo 2009, and during the SP – IP Core Technical Breakout, the breakout speaker highlighted Cisco’s high availability features, while focusing on BGP he introduced [...]

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Draft Martini, Draft Kompella and L2VPN services

January 7th, 2009 mmahmoud Posted in Bury the hatchet, MPLS 7 Comments »

Draft Martini and Draft Kompella were the starting points toward standardizing the Layer2 VPN architectures using pseudowire emulation, both drafts addressed setting up pseudowire emulation over MPLS-based networks in order to offer Layer 2 VPN services, but each draft proposed a different approach. Members of the networking community divided themselves into two camps based on [...]

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Carrier Supporting Carrier – The whole story (2)

December 29th, 2008 mmahmoud Posted in Bury the hatchet, MPLS No Comments »

In this post we are going to discuss both CSC options that we have highlighted in the previous post in details. The two available options are either an ISP customer carrier, or a BGP/MPLS VPN customer carrier. We are going to conquer the control plane and data plane separately, in order to well understand the [...]

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