Lab 11. RSTP (Rapid Spanning Tree)

SW 1

SW1(config)#no spanning-tree mst configuration

SW1(config)#spanning-tree mode rapid-pvst

SW1(config)#spanning-tree vlan 10,20,30 root primary

SW1(config)#spanning-tree vlan 40,50,60 root secondary

SW 2

SW2(config)#no spanning-tree mst configuration

SW2(config)#spanning-tree mode rapid-pvst

SW2(config)#spanning-tree vlan 10,20,30 root secondary

SW2(config)#spanning-tree vlan 40,50,60 root primary

SW 1

 SW1#show spanning-tree

VLAN0010

Spanning tree enabled protocol rstp

Root ID Priority 24586

Address aabb.cc00.0100

This bridge is the root

Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

 Bridge ID Priority 24586 (priority 24576 sys-id-ext 10)

Address aabb.cc00.0100

Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

Aging Time 300 sec

Interface Role Sts Cost Prio.Nbr Type

------------------- ---- --- --------- -------- ----------------------------

----

Et0/0 Desg FWD 100............................... 128.1 P2p

Et0/1 Desg FWD 100............................... 128.2 P2p

SW 2

 SW2#show spanning-tree vlan 10

VLAN0010

Spanning tree enabled protocol rstp

Root ID Priority 24586

Address aabb.cc00.0100

Cost 100

Port 1 (Ethernet0/0)

Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

Bridge ID Priority 28682 (priority 28672 sys-id-ext 10)

Address aabb.cc00.0200

Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

Aging Time 300 sec

Interface Role Sts Cost Prio.Nbr Type

------------------- ---- --- --------- -------- ---------------------------

Et0/0 Root FWD 100................................ 128.1 P2p

Et0/1 Altn BLK 100.................................. 128.2 P2p