2025-06-30 trunk, mst, vlan

Region B 설정
1. 트렁크 설정
int range g0/0-1
switchport trunk encapsulation dot1q
switchport mode trunk
switchport trunk allowed vlan 10,20
switchport nonegotiate

2. VLAN 생성 및 PC방향에 VLAN 할당
   VLAN 10,20
   int g0/0
   sw mo access
   sw acc vlan 10
   int g0/1
   sw mo access
   sw acc vlan 20

3. MST 설정
   spanning-tree mode mst
   spanning-tree mst configuration
   name B
   revision 1
   instance 1 vlan 10
   instance 2 vlan 20

조회
sh sp
sh sp mst 0 ← 대표 STP : MST 0, VLAN 1
sh sp mst 1
sh sp mst 2
sh sp mst configuration

4. MST 별 루트스위치 설정 후 SW6에서 나뉘어진 차단 포트 확인
   SW4(config)#spanning-tree mst 1 priority 0
   SW4(config)#spanning-tree mst 2 priority 4096
   SW5(config)#spanning-tree mst 2 priority 0
   SW5(config)#spanning-tree mst 1 priority 4096