EAP ACL's stop working randomly

Hi Everyone,
Full Omada system, router, switches and AP''s. We have two separate VLAN's, I have an EAP ACL set so users on one VLAN can access a printer on the other one.
This works fine, however randomly it will stop working, its happening on multiple deployments so I think its some sort of bug. To get it working again I have to just disable and re-enable the ACL rule and its all ok until it randomly stops working days or weeks later.
Has anyone else had this, knows a fix or a work around?
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Hi @Jaam
To understand the issue better, please give us the following info:
1. screenshot of the Device page of your controller so we would know the models and versions of the SDN devices you are using.
2. screenshot of the VLAN config on your controller;
3. screenshot of the ACL settings;
When the issue happened,
4. Will all the users be affected? Or were some users still able to access to the printer?
5. Can the affected users ping the printer's IP?
6. Is disabling and re-enabling the ACL rule the only way to restore the connection? Did you try other methods, such as reboot the printer?
BTW, did you configure mDNS like the following post?
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@Vincent-TP Thanks Vincent, here is the info requested:
4. Im not sure there is only one laptop per site that needs this so I cant say
5. Yes until it stops working then nothing passes until the rule is disabled and reenabled
6. It seems so, rebooting the printer or pc doesn't work, have not tried restarting the switches or gateway as its a production environment.
mDNS is not setup the laptop is set to talk directly to the printer on its IPv4 address so mDNS shouldnt be required.
Other things to note, the laptop and printer have a static IP so its nothing to do with its IP changing etc, we have other sites with a similar config that are facing the same issue.
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Hi @Jaam
Thank you so much for taking the time to post the issue on TP-Link community!
To better assist you, I've created a support ticket via your registered email address, and escalated it to our support engineer to look into the issue. The ticket ID is TKID250549578, please check your email box and ensure the support email is well received. Thanks!
Once the issue is addressed or resolved, welcome to update this topic thread with your solution to help others who may encounter the same issue as you did.
Many thanks for your great cooperation and patience!
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