03-23-2009 04:41 AM - edited 03-06-2019 04:45 AM
Hello,
we are planning to setup a network as per the attached design. I would like to know if there will any conflict or Interoperability issue between the different stp mode running on the different switches.
thanks
Jean
03-23-2009 05:59 AM
Hello Jean,
it should be fine MST is backward compatible with PVST on a per port basis
the links have to be 802.1Q trunks to be able to detect a PVST neighbor
you need to make the MST the root bridge for all vlans.
see
http://www.cisco.com/en/US/docs/switches/lan/catalyst4500/12.2/50sg/configuration/guide/spantree.html#wp1083304
Hope to help
Giuseppe
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