hy you use Spanning-tree？ Difference between PVST & MST.
正确答案:
We uses STP to privides path redundancy while preventing loops in layer 2 network environment.
Difference between PVST and MSTP：
PVST maintains a STP instance for each vlan，while MSTP maintain one instance for multiple vlans belong to the the same instance-vlan map.
MSTP uses RSTP for more rapid convergence than PVST.
Difference between PVST and MSTP：
PVST maintains a STP instance for each vlan，while MSTP maintain one instance for multiple vlans belong to the the same instance-vlan map.
MSTP uses RSTP for more rapid convergence than PVST.
答案解析:有
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