Cisco Vlans Grundlagen

Vlans anzeigen

• c3750#show vlan brief

VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
1    default                          active    Fa1/0/1, Fa1/0/2, Fa1/0/3
                                                Fa1/0/4, Fa1/0/5, Fa1/0/6
                                                Fa1/0/7, Fa1/0/8, Fa1/0/9
                                                Fa1/0/10, Fa1/0/11, Fa1/0/12
                                                Fa1/0/13, Fa1/0/14, Fa1/0/15
                                                Fa1/0/16, Fa1/0/17, Fa1/0/18
                                                Fa1/0/19, Fa1/0/20, Fa1/0/21
                                                Fa1/0/22, Fa1/0/23, Fa1/0/24
                                                Fa1/0/25, Fa1/0/26, Fa1/0/27
                                                Fa1/0/28, Fa1/0/29, Fa1/0/30
                                                Fa1/0/31, Fa1/0/32, Fa1/0/33
                                                Fa1/0/34, Fa1/0/35, Fa1/0/36
                                                Fa1/0/37, Fa1/0/38, Fa1/0/39
                                                Fa1/0/40, Fa1/0/41, Fa1/0/42
                                                Fa1/0/43, Fa1/0/44, Fa1/0/45
                                                Fa1/0/46, Fa1/0/47, Fa1/0/48
                                                Gi1/0/1, Gi1/0/2, Gi1/0/3
                                                Gi1/0/4
20   server-net                       active    
1002 fddi-default                     act/unsup 
1003 token-ring-default               act/unsup 
1004 fddinet-default                  act/unsup 
1005 trnet-default                    act/unsup

Vlan erstellen

• c3750(config)#vlan
• c3750(config)#vlan 10
• c3750(config-vlan)#name office

Enter configuration commands, one per line. End with CNTL/Z.

• c3750(config)#vlan
• c3750(config)#vlan 10
• c3750(config-vlan)#name office
• c3750(config-vlan)#vlan
• c3750(config-vlan)#vlan 20
• c3750(config-vlan)#name work
• c3750(config-vlan)#vlan 30
• c3750(config-vlan)#name labor
• c3750(config-vlan)#end