There are 3 NICs in the Router1 and 24 available ports in the Switch1.

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Is there any reason why I can't connect from Router1 to Switch1?

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1 Answer 1


Apparently you can't connect more than 2 links.

The workaround is to add new gigabit ports to your routers.

The module name is NIM-ES2-4 (see picture).

Just drag and drop it to available slots.

Btw, you need to turn off the router, else you can't add the module.

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