# VLAN Configuration issu

**URL:** <https://community.cambiumnetworks.com/t/vlan-configuration-issu/98413>\
**Category:** cnMatrix\
**Created:** [March 20, 2024, 2:43pm UTC](https://community.cambiumnetworks.com/t/vlan-configuration-issu/98413 "2024-03-20T14:43:45Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Adamou\_Legos](https://d10gw3vjmzyp8.cloudfront.net/letter_avatar_proxy/v4/letter/a/96bed5/32.png) [@Adamou\_Legos](https://community.cambiumnetworks.com/u/Adamou_Legos)\
**Post date:** [March 20, 2024, 2:43pm UTC](https://community.cambiumnetworks.com/t/vlan-configuration-issu/98413/1 "2024-03-20T14:43:45Z")

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Legos Adamou

Hi,  
I’m new on cambium,  
I configured VLAN on cnMatrix and over 2 minute the vlan configuration will disapear.  
Could you please help to fix this issue  
Thanks

 ![image](https://d1okf4ta8xniw3.cloudfront.net/original/3X/5/5/55c8548565a672b4f27ddca00b5bfb59e41c0976.png)

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<div class="post-metadata">

**Author:** ![vku200](https://d10gw3vjmzyp8.cloudfront.net/user_avatar/community.cambiumnetworks.com/vku200/32/29170_2.png) [@vku200](https://community.cambiumnetworks.com/u/vku200)\
**Post date:** [March 22, 2024, 11:01am UTC](https://community.cambiumnetworks.com/t/vlan-configuration-issu/98413/2 "2024-03-22T11:01:09Z")

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> [@Adamou\_Legos](#):
>
> over 2 minute the vlan configuration will disapear.  
> Could you please help to fix this issue

Hi @Adamou_Legos  
Welcome to the Cambium Community Portal!  
Once you’ve added the VLAN, do you click the _Apply_ button and then save it by clicking the _Save_ button located at the top right corner of the page?

 ![Screenshot 2024-03-22 162755](https://d1okf4ta8xniw3.cloudfront.net/original/3X/c/2/c28aceb4b1db1cf161313037329fdcaf21cd98e5.png)

What is the firmware version running on your switch?

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<div class="post-metadata">

**Author:** ![Legos\_Adamou](https://d10gw3vjmzyp8.cloudfront.net/letter_avatar_proxy/v4/letter/l/e8c25b/32.png) [@Legos\_Adamou](https://community.cambiumnetworks.com/u/Legos_Adamou)\
**Post date:** [March 22, 2024, 11:37am UTC](https://community.cambiumnetworks.com/t/vlan-configuration-issu/98413/3 "2024-03-22T11:37:21Z")

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Hi,  
Thanks for your respond, i’ll try and come back to you.

The software is 5.0.1-r4.