Recently, my friend Andy Lapteff asked an excellent question. Why do we have native VLANs? As in, why allow untagged frames on a trunk link? There was a time where we didn’t have VLANs. At first there was hubs, then
CCNA – Operation of IP Data Networks 1.1
We kick off the CCNA series from the beginning. Operation of IP data networks is weighted as 5% in the CCNA RS blueprint. The first topic is: 1.1 Recognize the purpose and functions of various network devices such as routers,