Change Vtp Domain Name Cisco Switches

You should be careful when adding a switch to vtp domain if the revision nummber on new switch is higher than on vtp server it will overwrite the vlan database even if added ass client you should see who is the server in domain and to be shure that revision number on new switch is lower than on vtp server and to add the vlans on vtp server. Setting a switch s vtp domain to null only sets it to automatically accept a vtp neighbor s defined vtp domain name.

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Vtp domain is a group of switches that share same vlan information.

Change vtp domain name cisco switches. Once the vtp domain has been set or accepted if you wish to change it you need to manually configure the update. Only vlan information gets passed on. Switch only update vlan information if it receive vtp message from same domain.

If the 3rd party switch is between the 2 cisco switches you won t be able to pass the vlan information unless the 3rd party participates in your switch domain. A vtp domain also called a vlan management domain is made up of one or more network devices that share the same vtp domain name and that are interconnected with trunks. So we need to set up trunk connection between switches.

In order to send vlan information you need to have a vtp domain name it can t be null so asking to remove the name so updates can be sent via the 3rd party switch is pretty much a lost. The vlan information on the switch is updated and the configuration revision number is reset to 0. Verify that the configuration revision number has been reset to 0.

If you want to rename the vtp domain you would have to also change the domain name on all client switches. They are not directly connected via a trunk and so they did not exchange vtp updates all this time. Vtp is a layer 2 messaging protocol that maintains vlan configuration consistency by managing the addition deletion and renaming of vlans within a vtp domain.

However i need to change the vtp domain on 6509 so that i can avoid vtp updates getting exchanged between the. Changing the domain name on the vtp server doesn t roll out to the other vtp clients. Vtp messages are propagated as layer 2 multicast frames.

Hello i have two switches 6509 and 2950 in my network which have same vtp domain name. Change the domain name from the original one displayed in step 1 to a new name. Vtp messages include domain name.

You return to privileged exec mode. Enter configuration mode and use the following commands to. My plan is to move all the edge switches to vtp transparent mode to set the crn back to 0 and then on the core 3x3750g s in a stack configure a new vtp password but i would also like to change the current vtp domain name to a new one.

A switch can have a single domain. Vtp mode server sets the switch to server mode vtp domain test defines the vtp domain all switches in the domain will receive these vtp updates vtp password testpassword secures vtp advertisements to a matching domain and password step 2 configuring a switch as a vtp client.

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