A trunk is a connection between switches where multiple VLAN's pass.

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How do VLANs work?

What are VLANs? What problems do they solve? I'm helping a friend learn basic networking, as he's just become the sole sysadmin at a small company. I've been pointing him at various questions/answers ...
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Best practice to trunk two GB switches?

I already read some similar questions but I still have no clue on how to do it the right way. I have a D-Link DGS-1248T 48 port GB-switch with 4 mini GBIC ports and I want to connect it to another ...
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Stacking two Netgear GS748TS switches via HDMI - only 1Gbps trunk bandwidth?

I have two Netgear GS748TS 48 port gigabit stackable switches, which when stacked via two HDMI cables allow hosts on one of the switches to talk to hosts on the other. Netgear claim that the HDMI ...
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ESXI 5.1 - Losing access to management interface on vSwitch1 when vSwitch0 loses network access

I'm probably missing something obvious here, but, I am trying to make some adjustments to the Vkernel Port management interface on vSwitch0 that is set to VLAN ID: All (4095). So I don't disconnect ...