Virtual Trunking Protocol (VTP) eases the administrative burden associated with managing a Cisco network by enabling central configuration and modification of Virtual Local Area Networks (VLANs) such that all switches belonging to a specific VTP "domain" synchronise VLAN information automatically when configured to do so. However, there is no Cisco command that can delete a VTP domain name from a switch. Delete the VLAN configuration from a Cisco switch in order to remove the VTP domain name configured on the switch.
- Skill level:
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Things you need
- Cisco Catalyst switch with telnet service and VTP enabled
- IP address of the Cisco Catalyst switch
- Microsoft Windows 7 computer with the telnet client feature enabled
- Password for telnet access on the Cisco Catalyst
- Password for Privileged Exec mode on the Cisco Catalyst switch
Select the "Start" button located in the lower left corner of the Windows 7 computer PC desktop, select "Programs" and click "Accessories." Right click the command line icon in the drop-down menu and select "Run as Administrator."
Enter "telnet 220.127.116.11" in the command line window that appears, substituting "18.104.22.168" with the IP address of the Cisco Catalyst switch, and press the "Enter" key. Enter the telnet password when requested, then tap the "Enter" key. Enter "enable" on the command line, enter the Privileged Exec password when prompted and press the "Enter" key.
Enter "del flash:vlan.dat" and press the "Enter" key. Type "write erase" and press the "Enter" key. Type "reload" and press the "Enter" key. Type "exit" and then type "exit again to close the telnet session.
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