Wednesday, January 8, 2014

Troubleshooting VTP


If a switch doesn’t seem to be receiving updated information from a VTP server:

Either the swtich is in transparent mode. Verify by “show vtp status”

“there might not be a switch configured as vtp server”

The link between the switch and the other switches is not in trunking mode. VTP can be advertised only over trunk links. To verify if an interface is trunk or acess

“show interface type mod/num switchport

Make sure the vtp version is compatible with other switches in the VTP domain.

Make sure the VTP password matches in the vtp domain

Make sure the VTP domain name match that of the VTP server

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