On 12 Jan 2013, at 11:15, Robert Hass <robhass at gmail.com> wrote: > I just want to be sure - should I have all my VLANs in different > instances than 0 and leave instance 0 to connectivity to non-MSTP > segments (eg. to STP, PVST or Rapid STP/PVST) Yep, correct. Nick