Cisco Vlans Grundlagen
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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
- 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
10 office active
20 work active
30 labor active
1002 fddi-default act/unsup
1003 token-ring-default act/unsup
1004 fddinet-default act/unsup
1005 trnet-default act/unsup
Interface zu ordnen
- c3750(config-if)#interface Fa1/0/4
- c3750(config-if)#switchport mode access
- c3750(config-if)#switchport access vlan 10
- c3750(config-if)#interface Fa1/0/5
- c3750(config-if)#switchport mode access
- c3750(config-if)#switchport access vlan 10
- c3750(config-if)#end
- c3750#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
Fa1/0/9, 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
10 office active Fa1/0/4, Fa1/0/5
20 work active
30 labor active
1002 fddi-default act/unsup
1003 token-ring-default act/unsup
1004 fddinet-default act/unsup
1005 trnet-default act/unsup
Vlans einem Interface mit Range zordnen
- c3750#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
- c3750(config)#interface range Fa1/0/9-11
- c3750(config-if-range)#switchport mode access
- c3750(config-if-range)#switchport access vlan 20
- c3750(config-if-range)#interface range Fa1/0/13-17
- c3750(config-if-range)#switchport mode access
- c3750(config-if-range)#switchport access vlan 30
- c3750(config-if-range)#end
- c3750#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, Fa1/0/48, 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
1002 fddi-default act/unsup
1003 token-ring-default act/unsup
1004 fddinet-default act/unsup
1005 trnet-default act/unsup
Vlan config in vlan.dat
- c3750#show flash:
Directory of flash:/
2 -rwx 1048 Jan 28 2016 13:23:15 +00:00 multiple-fs 3 drwx 64 Jan 28 2016 14:43:51 +00:00 old 5 -rwx 3179 Jan 28 2016 13:23:15 +00:00 config.text 395 drwx 192 Oct 21 2008 12:41:15 +00:00 c3750-advipservicesk9-mz.122-46.SE 394 -rwx 24 Jan 28 2016 13:23:15 +00:00 private-config.text 397 -rwx 736 Jan 28 2016 16:06:41 +00:00 vlan.dat
IP Adressen Vlan zu ordnen
- c3750#configure terminal
- c3750(config)#interface vlan20
- c3750(config-if)#ip address 192.168.20.1 255.255.255.0
- c3750(config-if)#interface vlan30
- c3750(config-if)#ip address 192.168.30.1 255.255.255.0
- c3750(config-if)#interface vlan40
- c3750(config-if)#ip address 192.168.40.1 255.255.255.0
- c3750(config-if)#end
Vlan Interfaces anzeigen
- c3750#show running-config
... interface Vlan1 ip address 192.168.240.154 255.255.248.0 ! interface Vlan20 ip address 192.168.20.1 255.255.255.0 ! interface Vlan30 ip address 192.168.30.1 255.255.255.0 ! interface Vlan40 ip address 192.168.40.1 255.255.255.0 ! ...
IP Routing einschalten
- c3750#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
- c3750(config)#ip routing
- c3750(config)#end