How the transparent mode of VTP works?

This mode sounds weird. It does not accept update, then what is the point this mode exists?

Also, though the switch in transparent mode does not accept updates, it forwards certain updates outward. What is this for?

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johnifanx98

figured out this question myself. transparent switch just serves to forward VTP protocols in case VTP serve/clients are discontinuous.

SteveO86

Setting a switch to transparent will forward the VTP messages but it won't advertise it's own VLANs nor add VLANs from to it's configuration that are found in the VTP messages it receives.

It allows you to configure a switch with different VLANs from other switches in the same VTP domain without fear of the configuration getting overwritten or changed.

Understanding VLAN Trunk Protocol (VTP) - Cisco Systems

johnifanx98

SteveO86 wrote: »

Setting a switch to transparent will forward the VTP messages but it won't advertise it's own VLANs nor add VLANs from to it's configuration that are found in the VTP messages it receives.

It allows you to configure a switch with different VLANs from other switches in the same VTP domain without fear of the configuration getting overwritten or changed.

Understanding VLAN Trunk Protocol (VTP) - Cisco Systems

Thanks! Interesting. Is this the main reason VTP transparent mode is invented?