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we have collocation DC where customer can connect external switches not under our control, our aim is to protect our network from any changes done on the external switches cloud lead to L2 loop, we want to stop customers from participating in our STP...
Thanks for you reply in fact the ipv6 will be assigned to business customers means corporate, enterprises and SMEs, who host their services with us, customer could have their own switches, FW, load balancer ,,,etc Regards