IOS: Create a new VLAN

Create VLAN

Reference document

• Create VLAN: SW1(config)#vlan 9999
• Name VLAN: SW1(config-vlan)#name YOUR_VLAN_NAME

Delete VLAN

• SW1(config)#no vlan #
• show vlan

Misc

Example:

conf t
interface vlan999
ip address 10.10.xx.1 255.255.255.0

interface vlan199 
ip address 10.10.10.0 255.255.255.0
Bad mask /24 for address 10.10.10.0

Solution: Change ip at 10.10.10.1

%Failed to create VLANs 1555
Extended VLAN(s) not allowed in current VTP mode.
%Failed to commit extended VLAN(s) changes.

ip address 10.x.x.1 255.255.255.0
% 10.x.x.0 is assigned as a secondary address on VlanXXX

Related commands

• Change vlan configuration
• show interface status
• show vlan and show vlan brief
• show vtp status
• show ip access-list
• set vlan
• interface vlan

See also

• VLAN, VTP, VLAN Access-List (VACL), IOS: Create a VLAN, Change vlan configuration, show vlan, show vlan brief, show vlan summary, show vtp status, switchport, set vlan, vtp mode transparent
• Cisco IOS: Cisco IOS XE, Config (mode), VLANs, Cisco IOS logging, VTP, ACLs, show logging, show logging history, show interface status, debug, archive, show archive, conf t, int, ip http server, ip ssh, ip address, vty, show mac address-table, show access-list, Access-list, ip access-group, admin, login