by Mehdi SFAR | Jun 28, 2024 | Blog
Do you filter all the networks that are being announced by your routing protocols? The consequences are known, but yet there is another one that often goes unnoticed: the potential impact on you other peerings introduced by unfiltered peering IP prefixes. In a network...
by Mehdi SFAR | May 12, 2024 | Blog
While the Anti-Spoofing uRPF technology and mechanism are well-known, determining when and where to apply it in Strict or Loose mode can be confusing. This writing aims to simplify understanding from a Design perspective and provide practical use cases. Why is uRPF...
by Mehdi SFAR | Apr 7, 2024 | Blog
We sometimes hear that: An MPLS Network without P is not a real MPLS Network. A collapsed PE Network is incomplete or not a genuine MPLS design What exactly is a P and PE router : In MPLS, a P router acts as a vital link within the core network, connecting different...
by Mehdi SFAR | Mar 19, 2024 | Blog
You might face a situation where you’re considering establishing a LAG port (whether using LACP, manual configuration, etc.), or perhaps you’re planning a maintenance window and considering shutting down a link within a LAG port, assuming it won’t...
by Mehdi SFAR | Feb 4, 2024 | Blog
Here is how the CBWFQ (Class-Based Weighted Fair Queueing) allocation mechanism is described on Cisco website : “If excess bandwidth is available, the excess bandwidth is divided amongst the traffic classes in proportion to their configured bandwidths. If not...
