I'm re-tooling all VLANs in a small data center I inherited so that we finally have a numbering scheme that makes sense and aligns with corresponding subnets. I'm on the fence about using VTP though since most switches only need select ranges of the VLANs to actually span across them.
Should I still define all VLANs on a VTP server switch and just hard specify permitted VLANs out on each trunk? I like this approach since all defined VLANs in the data center would be visible by doing a "show vlan" from one switch. I don't like the overhead of managing permitted VLANs on each trunk and the chance of traffic spanning trunks that shouldn't be traversed if the VLAN restrictions are forgotten on a new trunk.
My other option is to manually define only the VLANs that are needed on each switch and maintain documentation of defined VLANs elsewhere. We have less than 10 switches in the DC (relatively small) and rarely have to modify VLAN definitions.
-Thanks
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