Hi,
Basically you have answered this yourself.
A VLAN (normal) is a broadcast domain.
Any device broadcasting in the VLAN will be seen by all other devices in that VLAN
no matter whether its crosses an interbuilding link or not.
If you DONT want them to hear each other than I suggest that you
look into making your cross building link a Layer3 connection.
However this will involve looking at and readdressing you IP allocations
and providing adequate L3 routing between the sites.
Regards
Alex
Regards,
Alex.
Please rate useful posts.