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What is the advantage of setting VTP mode to transparent?

I have a Cat 6509 and eighteen 3524 and/or 3548's. Obviously I want my 6509 to be in VTP server mode. But is there any advantage/disadvantage to having the 3500's in client or transparent. I would think client, but is transparent use less resources, both internal to the switch, and , external, i.e., network resources. I've seen some CCIE's insist that the 3500's must be in transparent mode and configure the VLAN info on them manually. What is preferred?


Re: What is the advantage of setting VTP mode to transparent?

Configuring VTP in transparent mode requires manual configuration, a VTP-transparent switch does not advertise VLAN information to other switches and will ignore VTP updates from VTP clients and servers.

VTP propagates information about the VLAN configuration throughout the switched network. A Catalyst 6000 family switch can operate in any one of these three VTP modes:

Server—VTP servers advertise their VLAN configuration to other switches in the same VTP domain and synchronize their VLAN configuration with other switches based on advertisements received over trunk links. VTP server is the default mode.

Client—VTP clients are similar to VTP servers, except that you cannot create, change, or delete VLANs on a VTP client.

Transparent—VTP transparent switches do not participate in VTP. A VTP transparent switch does not advertise its VLAN configuration and does not synchronize its VLAN configuration based on received advertisements.

Cisco Employee

Re: What is the advantage of setting VTP mode to transparent?

You can find more info in our Best practices section

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