As long as they are both in the same VTP domain, yes. It will cause issue.
In case you want to reset the VTP revision number of the client switch, you can change its mode to transparent and then back to client.
But VTP client is supposed to pass the information from Server.
My thought was If the clent is having higher revision number than server, it will not accept the VLAN database from the server,
I see what you mean, but VTP clients act the same as VTP servers, except from creating, changing or deleting VLANs.
The VTP revision number will be changed if the client has a newer version.
If you try it on a lab environment you'll see it for yourself.
if your vtp client has a higher revision number than the vtp server and you make a change on the server side then the client will not adjust to these changes and thus problems can occur.
e.g. if you create a new vlan on the server and put some ports into this vlan, you expect the vtp client switch to do the same creation process and might connect devices to it, as you think the vlan is now existing, but is actually not.
this is just one example.
please correct me if iam wrong.
As said above, if that client in same vtp domain with higher revision number than the existing server then that switch will become as a VTP server and all vlans propigate to other clients.
Your thought is when the switch is in Transperant mode. A VTP transparent switch does not advertise its VLAN configuration and does not synchronize its VLAN configuration based on received advertisements.
Regarding the VTP configuration revision number, see the below explaination..
The configuration revision number is a 32-bit number that indicates the level of revision for a VTP packet. Each VTP device tracks the VTP configuration revision number that is assigned to it. Most of the VTP packets contain the VTP configuration revision number of the sender.
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. In order to reset the configuration revision of a switch, change the VTP domain name, and then change the name back to the original name.
The VTP server switch must have the same configuration revision number, and must be the highest in the VTP domain.
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