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

Latest revision as of 05:52, 16 November 2020

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

@@ Line 5: / Line 5: @@
 [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]
-* Create VLAN: <code>SW1([[config]])#[[vlan]] #</code>
+* Create VLAN: <code>SW1([[config]])#[[vlan]] 9999</code>
 * Name VLAN:  <code>SW1([[config-vlan]])#name YOUR_VLAN_NAME</code>
 == Delete VLAN ==
 * <code>SW1(config)#no vlan #</code>
+* <code>[[show vlan]]</code>
+== Misc ==
+Example:
+ [[conf t]]
+ [[interface]] vlan999
+ [[ip address]] 10.10.xx.1 255.255.255.0
-== Misc ==
+ [[interface]] vlan199
-  interface vlan###
+ ip address 10.10.10.0 255.255.255.0
-  [[ip address]] x.x.x.x x.x.x.x
+ 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]]
 * <code>[[show interface status]]</code>
 * <code>[[show vlan]]</code> and <code>[[show vlan brief]]</code>