CCNA 2.5.c: How to configure Dynamic Trunking Protocol (DTP)

How to configure Dynamic Trunking Protocol (DTP). It's good to know, especially if you're wondering how switchports automatically negotiate before you even configure them. I recommend understanding how it works and then turning it off completely with the "switchport nonegotiate" command. Turning it off helps you maintain more control over your switches and what's connecting to them.

Dynamic Auto Dynamic Desirable Trunk Access
Dynamic Auto Access Trunk Trunk Access
Dynamic Desirable Trunk Trunk Trunk Access
Trunk Trunk Trunk Trunk Limited Connectivity
Access Access Access Limited Connectivity Access

Try it yourself in PacketTracer: CCNA-2.5.c-How-to-configure-Dynamic-Trunking-Protocol-DTP.pkt