What is VTP configuration revision number?

The configuration revision number is a 32-bit number that indicates the level of revision for a VTP packet. This configuration number is tracked by every switch in order to find that the received information is more recent than the current version.

What will be the VTP mode of a switch in factory reset default configuration?

To do this, issue the vtp mode transparent command. This changes the config revision number back to 0 and when the current VTP server has a higher revision number then this, the device is updated with the latest VTP information. Refer to Resetting Catalyst Switches to Factory Defaults for more information.

How do I delete VTP configuration?

To see it, go into privileged mode and issue a directory command for flash: The VLAN database is stored in the file “vlan. dat”. Since Cisco represents the state-of-the-art for networking equipment, one could assume the VTP configuration could be reset by issuing a command such as “clear config vtp”.

What is pruning on a trunk line and why is it needed?

VLAN Trunking Protocol (VTP) pruning is a feature in Cisco switches, which stops VLAN update information traffic from being sent down trunk links if the updates are not needed. If the VLAN traffic is needed later, VLAN Trunking Protocol (VTP) will dynamically add the VLAN back to the trunk link.

What are Differentvtp modes?

VLAN Trunking Protocol (VTP) Modes, Server Mode, Client Mode, Transparent Mode. A network switch, which is participating in VLAN Trunking Protocol (VTP), can have three different modes.

What is the default VTP mode?

By default VTP is in server mode, which is an operational mode that enables you to manage VLANs on the local switch’s database and use the information in the database to synchronize with other switches. To configure VTP for operation, you must specify a name.

How do I disable VTP V2 mode?

To disable VTP, enter the set vtp domain domain name mode transparent command. This disables VTP from the domain, but does not remove the domain from the switch.

When enable VTP pruning where does it need to be configured?

Note: VTP Pruning is disabled by default on all Cisco Catalyst switches and can be enabled by issuing the “set vtp pruning enable” command. If this command is issued on the VTP Server(s) of your network, then pruning is enabled for the entire management domain.

How to reset VTP configuration revision number on Cisco switch?

The 1st procedure to reset the VTP configuration revision number is by changing the domain name and then reverting back the configuration. Below is the step by step method to be followed – show vtp status command on Cisco Switch in order to check the VTP configuration revision number.

How to update the VTP configuration of the device?

To do this, issue the vtp mode transparent command. This changes the config revision number back to 0 and when the current VTP server has a higher revision number then this, the device is updated with the latest VTP information.

What is the configuration revision of a VLAN?

This information is used in order to determine whether the received information is more recent than the current version. Each time that you make a VLAN change in a VTP device, the configuration revision is incremented by one. Below we will discuss 2 commonly used methods to reset the configuration revision of a switch.

How to display the VTP configuration information in Linux?

To display the VTP configuration information, we can use the show vtp status command: The most important field listed in the output above is the Configuration Revision number. This number indicates the level of revision for a VTP packet.