Configuration of aggregation port

(enable spanning tree rstp and set layer 2 as the root switch

Rating: ruijie#sh spanning-tree)

Second floor to third floor: int fa0/3

Sw mode tr

Exit

Spanning-tree

Spanning-tree mode rstp

Exit

Second floor: spanning-tree priority 4096

Exit

Sh spanning-tree (root cost:18000 rootport)

Third floor: int fa0/3

Spanning-tree cost 1800

Exit

Sh spanning-tree (root cost:180000 rootport)

4: create four vlan (score: ruijie#sh vlan)

Ruijie (config) # vlan 11

Ruijie (config) # int f0and11

Ruijie (config-FastEthernet 0ram11) # switchport mode access

Ruijie (config-FastEthernet 0amp 11) # switchport access vlan 11

Ruijie (config-FastEthernet 0ram11) # exit

Ruijie (config) # sh vlan

5:vlan33 packets are untagged and vlan44 packets cannot pass through the switch link

Int agg 1

Sw trunk native vlan33

Sw trunk allowed vlan remove 44