Client's do not lose its own vlan database inf a server is remoted.
A client does not change its vtp mode to server if the only vtp server is removed from the network.
Clients will continue be clients.
Note: that the only difference between a VTP client and vtp server is that a vtp server can make changes to the vlan database in the VTP domain. All vtp devices, both clients and servers send out VTP packets. That's why it is possible to insert a vtp client into the network and it could blow away the whole vlan database for the vtp domain if its configuration revision number is higher then any other vtp device.
Thanks for your response. I did this question because we're changing our LAN infrastructure. We're going to replace our old 5500 for two 6500s. Now they're all connected in the same LAN, 5500 is VTP server and 6500s are VTP clients. What are recommended steps to remove 5500 from LAN and one of the 6500 become VTP server with minimal network disruptions?
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