CCNA 2.5.e: 802.1Q
Overview: 802.1Q is the standard used for switches to communicate Layer 2 VLAN information between each other Study Notes: 802.1Q 802.1Q, or dot1q for short, is a way to tag vlans on an Ethernet frame It is an open standard and more popularly used than Cisco’s proprietary VLAN encapsulation protocol called Inter-Switch Link (ISL) […]