Happy Friday everyone!
The other day I was working with a new customer getting NetFlow export enabled on his Cisco 3800 routers. When I was explaining the concept of using the ip flow ingress command in enabling NetFlow per interface, he said:
“I have to do that on all my interfaces?!? I have like ten sub-interfaces to do.”
In reality, ten interfaces isn’t really hard to configure, but it can be… cumbersome.
So if you are enabling NetFlow on a device with LOTS of vlans, a nice quick way to get things up and running is to use the int range command.
You can do this by typing the following:
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