VLAN Trunk Links Network Fundamentals Part 13

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Switch Trunk Links | Network Fundamentals Part 13 • We’ve seen that VLANs can divide up a switch into separate logical networks. But what happens when we run out of ports? We need to buy a new switch. • But how do we connect the two switches in a VLAN-aware network? Do we need a separate link for each VLAN? That could work, but won’t scale well. What if we have 50 VLANs? • Instead, we can use a trunk link. This uses a process called tagging, where the VLAN ID is added to each frame, in the form of a small tag in the ethernet header. • Now a single link can be used between the switches, and traffic from different VLANs can pass over it, all while still keeping the traffic separate. • There are a few special VLANs which work with this. One of these is VLAN 1, which is used for switch-to-switch control traffic (for example, CDP or LLDP). Another is the native VLAN, which enables non-VLAN aware devices to connect. • Trunking also enables extra features, like Router On A Stick, or ROAS. This is where a router can connect to the network using a single trunk link, and forward traffic between VLANs. • See how all of this works in this video! • • Lab: https://networkdirection.net/labsandq... • Quiz: link: https://networkdirection.net/labsandq... • Patreon information: https://networkdirection.net/patreon/ • • CCENT/CCNA ICND1 100-105 Official Cert Guide (affiliate): • https://click.linksynergy.com/link?id... • In the next video, we’re investigating using a router to provide security using access-lists • • Overview of this video: • 0:00 Introduction • 0:33 Extending VLANs Across Switches • 1:38 How Trunking Works • 6:12 Voice VLANs • 7:49 Lab (Part 1) • 14:14 Quiz #1 • 14:25 VLAN 1 • 15:36 Native VLAN • 16:30 Lab (Part 2) • 21:39 Quiz #2 • 23:51 ROAS and Lab (Part 3) • • LET'S CONNECT • 🌏 / networkdirection • 🌏 / netwrkdirection • 🌏 / networkdirection • 🌏 https://www.networkdirection.net • #NetworkDirection

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