Difference between revisions of "IOS: Create a new VLAN"

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(Created page with " == See also == * {{VLAN}} Category:Cisco")
 
 
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== Create VLAN ==
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[https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3850/software/release/3se/vlan/configuration_guide/b_vlan_3se_3850_cg/b_vlan_3se_3850_cg_chapter_0100.html Reference document]
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* Create VLAN: <code>SW1([[config]])#[[vlan]] 9999</code>
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* Name VLAN:  <code>SW1([[config-vlan]])#name YOUR_VLAN_NAME</code>
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== Delete VLAN ==
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* <code>SW1(config)#no vlan #</code>
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* <code>[[show vlan]]</code>
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== Misc ==
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Example:
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[[conf t]]
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[[interface]] vlan999
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[[ip address]] 10.10.xx.1 255.255.255.0
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[[interface]] vlan199
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ip address 10.10.10.0 255.255.255.0
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Bad mask /24 for address 10.10.10.0
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Solution: Change ip at 10.10.10.1
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%Failed to create VLANs 1555
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Extended VLAN(s) not allowed in current [[VTP]] mode.
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%Failed to commit extended VLAN(s) changes.
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ip address 10.x.x.1 255.255.255.0
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% 10.x.x.0 is assigned as a secondary address on VlanXXX
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== Related commands ==
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* [[Change vlan configuration]]
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* <code>[[show interface status]]</code>
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* <code>[[show vlan]]</code> and <code>[[show vlan brief]]</code>
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* <code>[[show vtp status]]</code>
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* <code>[[show ip access-list]]</code>
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* <code>[[set vlan]]</code>
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* <code>[[interface vlan]]</code>
  
 
== See also ==
 
== See also ==
 
* {{VLAN}}
 
* {{VLAN}}
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* {{IOS}}
  
  
 
[[Category:Cisco]]
 
[[Category:Cisco]]

Latest revision as of 05:52, 16 November 2020


Create VLAN[edit]

Reference document

Delete VLAN[edit]

Misc[edit]

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[edit]

See also[edit]

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