Learning video:
Network workers must be able to understand in ten minutes, the most commonly used VLAN technology_哔哩哔哩_bilibili
Technical summary: VLAN, the most commonly used technology in the network, there is no one_哔哩哔哩_bilibili
There are few in the country who can speak better than me: VLAN virtual local area network originally added a version with good sound, but some people still complained, so I deleted it because of embarrassment, and added a version with good sound later. GTlab_哔哩哔哩_bilibili