Layer 2 Technologies Multiple Spanning-Tree Protocol (MSTP)
NOTE
Priority & MACアドレス
Root Bridge 選出
...
STP
Layer 2 Technologies 
Layer 2 Technologies Rapid Spanning-Tree Protocol (RSTP)
NOTE
Edge Ports
RSTPおよびMSTで標準化された機能でPortFast...
Layer 2 Technologies Spanning-Tree Protocol Optional Features
PortFast
NOTE
グローバル設定でspanning-tree portfast...
Layer 2 Technologies Spanning-Tree Protocol STP Root Bridge Election
NOTE
Root BridgeとRole決定の流れ
1. Root Bridge(RB)の決定...
Layer 2 Technologies Spanning-Tree Protocol (STP)
NOTE
Priority + MAC Address
Root Bridge 選出
...