NSX and RPF

A quick blurb on NSX ECMP configurations:

If you’re running ECMP, be sure to disable the Reverse Path Forwarding check on your interfaces, or at least set it to “loose.” NSX defaults to strict reverse path forwarding mode when RPF is enabled.

I learned this the hard way during a recent NSX deployment. Thankfully it was in a lab environment, as we wanted to ensure we had all of our ducks in a row before pushing this thing to production.

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