Anzeigen der Vlans
- switch-gelb#show vlan brief
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active Fa1/0/1, Fa1/0/2, Fa1/0/3, Fa1/0/6, Fa1/0/7, Fa1/0/8, Fa1/0/12
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
Gi1/0/1, Gi1/0/2, Gi1/0/3, Gi1/0/4
10 office active Fa1/0/4, Fa1/0/5
20 work active Fa1/0/9, Fa1/0/10, Fa1/0/11
30 labor active Fa1/0/13, Fa1/0/14, Fa1/0/15, Fa1/0/16, Fa1/0/17
40 tante-frieda active
50 ceo active
1002 fddi-default act/unsup
1003 token-ring-default act/unsup
1004 fddinet-default act/unsup
1005 trnet-default act/unsup
- switch-rot#show vlan brief
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active Gi1/0/1, Gi1/0/2, Gi1/0/15
Gi1/0/16, Gi1/0/17, Gi1/0/18
Gi1/0/19, Gi1/0/20, Gi1/0/21
Gi1/0/22, Gi1/0/23, Gi1/0/25
Gi1/0/26, Gi1/0/27, Gi1/0/28
10 office active Gi1/0/3, Gi1/0/4, Gi1/0/5
Gi1/0/6
20 work active Gi1/0/7, Gi1/0/8, Gi1/0/9
Gi1/0/10
30 labor active Gi1/0/11, Gi1/0/12, Gi1/0/13
Gi1/0/14
40 tante-frieda active
50 ceo active
1002 fddi-default act/unsup
1003 token-ring-default act/unsup
1004 fddinet-default act/unsup
1005 trnet-default act/unsup
Was darf transportiert werden
- switch-gelb#show interfaces trunk
Port Mode Encapsulation Status Native vlan
Fa1/0/48 on 802.1q trunking 10
Port Vlans allowed on trunk
Fa1/0/48 1-4094
Port Vlans allowed and active in management domain
Fa1/0/48 1,10,20,30,40,50
Port Vlans in spanning tree forwarding state and not pruned
Fa1/0/48 1,10,20,30,40,50
Vlans beschränken
- switch-gelb#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
- switch-gelb(config)#interface fa1/0/48
- switch-gelb(config-if)#switchport trunk allowed vlan ?
WORD VLAN IDs of the allowed VLANs when this port is in trunking mode
add add VLANs to the current list
all all VLANs
except all VLANs except the following
none no VLANs
remove remove VLANs from the current list
Alle Vlans die Berechtingung entziehen
- switch-gelb(config-if)#switchport trunk allowed vlan none
- switch-gelb(config-if)#do show interface trunk
Port Mode Encapsulation Status Native vlan
Fa1/0/48 on 802.1q trunking 10
Port Vlans allowed on trunk
Fa1/0/48 none
Port Vlans allowed and active in management domain
Fa1/0/48 none
Port Vlans in spanning tree forwarding state and not pruned
Fa1/0/48 none