Hi I try to confire the vlan management on cisco packet tracer but i can't do it... and i don't know why... here is a very simple architecture  I must surely be doing something wrong or forgetting something since whether it's the router or the PC I c...

Hi Sorry for my poor english i try to do my best for explain my question, so i've a Mac Os with BigSur (11.4) and i use Cisco Packet Tracer (8.1) for my test. But i can't ping my router or orther equipement... it indicates a failure even on a simple ...