做個筆記
http://mynetworknote.blogspot.tw/2010/07/pvstpvst.html
cisco 的PVST+是專利...
extreme接cisco最好是用trunk...
不然會出現Port VLAN ID (PVID) inconsistency—A per-VLAN spanning tree (PVST+) Bridge Protocol Data Unit (BPDU) is received on a different VLAN than it was originated: (Port VLAN ID Mismatch or *PVID_Inc).
port被spanning tree block.
解法:1.trunk 2. cisco 關掉spanning tree功能