【正文】
AN 20 added: Name:vlan20S2950A(vlan)endS2950Aconfig terminalEnter configuration mands, one per line. End with CNTL/Z.S2950A(config)interface fastethernet 0/1S2950A(configif)switchport mode accessS2950A(configif)switchport access vlan 10S2950A(configif)endS2950Aconfig terminalEnter configuration mands, one per line. End with CNTL/Z.S2950A(config)interface fastetherner 0/2S2950A(configif)switchport mode accessS2950A(configif)switchport access vlan 20S2950A(configif)endS2950Aconfig terminalEnter configuration mands, one per line. End with CNTL/Z.S2950A(config)endS2950ASwitchSwitchenableSwitchconfig terminalEnter configuration mands, one per line. End with CNTL/Z.Switch(config)hostname S2950BS2950B(config)exitS2950Bvlan databaseS2950B(vlan)vtp domain studentChanging VTP domain from NULL to studentS2950B(vlan)vtp clientS2950B(vlan)exitAPPLY pleted.Exiting....S2950Bconfig terminalEnter configuration mands, one per line. End with CNTL/Z.S2950B(config)interface fastethernet 0/12S2950B(configif)switchport mode trunkS2950B(configif)switchport trunk encapsulation dot1qS2950B(configif)switchport trunk allowed vlan allS2950B(configif)endS2950BS2950Bconfig terminalEnter configuration mands, one per line. End with CNTL/Z.S2950B(config)interface fastethernet 0/1S2950B(configif)switchport mode accessS2950B(configif)switchport access vlan 10S2950B(configif)exitS2950B(config)interface fastethernet 0/2S2950B(configif)switchport mode accessS2950B(configif)switchport access vlan 20S2950B(configif)exitS2950B(config)ex