Chapter 5. VLAN Trunking Protocol
This chapter covers the following exam topics:
1.0 LAN Switching Technologies
1.2 Configure, verify, and troubleshoot interswitch connectivity
1.2.a DTP and VTP (v1&v2)
Engineers sometimes have a love/hate relationship with VLAN Trunking Protocol (VTP). VTP serves a useful purpose, distributing the configuration of the [no] vlan vlan-id command among switches. As a result, the engineer configures the vlan command on one switch, and all the rest of the switches are automatically configured with that same command.
Unfortunately, the automated update powers of VTP can also be dangerous. For example, an engineer could delete a VLAN on one switch, not realizing that the command actually deleted the VLAN on all switches. ...
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