If you haven’t already heard about the KRACK (Key Reinstallation Attack) vulnerability announced today, head over to the information page at https://www.krackattacks.com/ as quick as your fingers will take you because Mathy Vanhoef of imec-DistriNet […]
In this post, I’ll discuss how to protect your income by using the FEX pre-provisioning capability of NXOS. I discovered the hard way that not pre-provisioning your FEX can have catastrophic side effects. What better […]
Fexen (noun, pl.; pronounced Fex-uhn) Usage “Do we have any copper FEXen on those switches?” Explanation Fexen is the plural of FEX (the Cisco Nexus Fabric Extender modules). Oh, I know, “FEXes” is just as easy […]
Nexii (noun, pl.; pronounced nex-eye) Usage “I have built a leaf/spine fabric using Nexii.” Explanation Nexii is the plural of Nexus, obviously. To talk about “Cisco Nexuses” is ugly. Referring to “Cisco Nexus switches” is syllabically […]
Sometimes a user with performance issues will proudly present me with a traceroute and point to a particular hop in the network and accuse it of being the problem because of high latency on the […]
Apstra – the intent-based networking company – was thrilled, perhaps in a somewhat ironic sense, when Cisco announced just before Cisco Live 2017 US that the future was intent-based networking. I hear informally that their […]
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