I currently have two SME boxes in remote offices connecting via freeswanIPSec. I want to add a third office to the "LAN" but I am not sure of the precise way to proceed. Can I build tunnels from each existing office to the new office without problem? Or should I just build a tunnel from one office to the new office and let the new office access the third office via the second?
In short, is a mesh topology supported via IPSec/Freeswan using some sort of 'spanning tree' protocol or will I cause collisions doing mesh?