https://community.extremenetworks.com/t5/extremeswitching-exos-switch/disable-vlan-question/m-p/28186#M4289 # disabl vlan v100<BR /> Error: VLAN v100 cannot be disabled because it is actively used by an L2 Protocol<BR /> <BR /> What does this mean ?<BR /> How to stop traffic from passing this vlan ?<BR /> <BR /> Wed, 09 Sep 2015 15:22:00 GMT AlexanderT 2015-09-09T15:22:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/disable-vlan-question/m-p/28186#M4289 # disabl vlan v100<BR /> Error: VLAN v100 cannot be disabled because it is actively used by an L2 Protocol<BR /> <BR /> What does this mean ?<BR /> How to stop traffic from passing this vlan ?<BR /> <BR /> Wed, 09 Sep 2015 15:22:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/disable-vlan-question/m-p/28186#M4289 AlexanderT 2015-09-09T15:22:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/disable-vlan-question/m-p/28187#M4290 I believe STP should be active in the switch and the vlan v100 should be a part of it.<BR /> <BR /> You can check the "show configuration stp" output to confirm is the vlan "v100" is set to auto-bind with a STP domain.<BR /> <BR /> If that is the case and you want to disable the vlan "v100" then you can use this command first.<BR /> <BR /> "configure stpd "Domain name" delete vlan "v100" ports all" <BR /> <BR /> and then disable the vlan "v100"<BR /> <BR /> Make sure that disabling the STP in the Vlan "v100" would not cause a loop or any other changes in the STP network if it is actively used. Wed, 09 Sep 2015 15:42:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/disable-vlan-question/m-p/28187#M4290 Karthik_Mohando 2015-09-09T15:42:00Z