Youssef El Fathi
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Youssef El Fathi
ISIS Link-Group
Introduction On the Core or Edge network, we need more and more bandwidth. For a large service provider, in some parts of the world it’s quite expensive to upgrade links, .ie from 1Gb/s to 10Gb/s. There are two alternatives: aggregate the links either on layer 2 or by doing Layer 3 ECMP. With layer 2 […]
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The post ISIS Link-Group appeared first on Packet Pushers Podcast and was written by Youssef El Fathi.
Policy-based Tunnel Selection (PBTS) on Cisco IOS-XR
Recently, I had to look after PBTS on Cisco ASR9K platform and faced some issues, here are some results about my tests. PBTS has the same goal as CBTS on Cisco IOS (Class-Based Tunnel selection) but for Cisco IOS-XR. It provides a tool to direct traffic into specific RSVP-TE tunnels (in the future Segment-Routing tunnels) […]
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The post Policy-based Tunnel Selection (PBTS) on Cisco IOS-XR appeared first on Packet Pushers Podcast and was written by Youssef El Fathi.
FAT or Entropy Label?
In this article we are going to see two features that improve the load-balancing in the MLPS Core. Why? In the networking when dealing with redundancy of links or paths we are facing the polarization issue. This problem happens when one of the link is congested. Let’s take the example of LAGs, if the hashing […]
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The post FAT or Entropy Label? appeared first on Packet Pushers Podcast and was written by Youssef El Fathi.
Introduction to Segment Routing
When I read the latest posts about Fast ReRoute from Russ White and as I had an introduction from a coworker contributing to some drafts, I thought it was the right time to write my first article on PacketPushers. And here it is the Introduction to Segment Routing! What is it? It is a new […]
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The post Introduction to Segment Routing appeared first on Packet Pushers Podcast and was written by Youssef El Fathi.