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Webcast-Catalyst9k
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Unable to create VLAN in cisco 3750 switch

Hi,

I m unable to create vlan id such as(256) in one of our cisco 3750E, IOS 12.2(53r) SE2. The exact error msg is as follows:

"VTP VLAN Configuration not allowed when device is not the primary server for the vlan database".

The switch shows 'Server' in the 'sh vtp status' command. The switch is running VTP ver 3. Is it necessary to issue the cmd 'vtp primary vlan' to make this server as primary server even though the primary id of the server already matches in the 'sh vtp status'? There are 2 other switches in the domain as a client mode, what will be the impact of 'vtp primary vlan' cmd on the client vlan dbase?

The 'sh vtp status' of the main server switch is attached.

Any suggestions are appreciated.

thanks.

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1 REPLY
VIP Super Bronze

Unable to create VLAN in cisco 3750 switch

Hi,

If you change the vtp mode to "transparent", you should be to add the vlan you want (256).

HTH

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