Is a crossover cable needed for vSAN 2-Node Direct Connect?
source link: http://www.yellow-bricks.com/2021/01/08/is-a-crossover-cable-needed-for-vsan-2-node-direct-connect/
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Is a crossover cable needed for vSAN 2-Node Direct Connect?
Duncan Epping · Jan 8, 2021 · 3 Comments
I had this question last week around vSAN 2-node direct connect and whether using a crossover cable is still required to be used or if a regular CAT6 cable (CAT 5E works as well) can be used. I knew the answer and figured this would be documented somewhere, but it doesn’t appear to be. To be honest, many websites when talking about the need for crossover cables are blatantly wrong. And yes, I also spotted some incorrect recommendations in VMware’s own documentation, so I requested those entries to be updated. Just to be clear, with vSAN 2-Node Direct Connect, or vMotion, or any other service for that matter, you can use a regular CAT6 cable. I can’t recall having seen a NIC in the past 10 years that does not have Auto MDI/MDI-X implemented, even though it was an optional feature in the 1000Base-T standard. In other words, there’s no need to buy a crossover cable, or make one, just use a regular cable.
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