@JessieG Some confusion, your problem is that your customer's device has permanent internet access after connecting once using the voucher code for this device? What are your specific portal...

@veehexx It is important to pay attention to the setting of egress rules, for example, the ports connected between switches should be set to tagged, and the ports connected between switches and EAPs...

@Ronaldo_Costa No, site-to-site IPsec for your needs is not available.

@Pratz If you change it to 32 then it only refers to this one IP address alone. But you set it to 24 then it means that the subnet mask is 255.255.255.0, which contains a lot of IPs.

@Slhanks4 Why do you want to upgrade the firmware version? It looks like there is only one version on the official website.

@Kb_2472 Both switches are unmanaged and have no IP addresses and do not appear to have IP conflicts. The problem is likely to be with the physical connections. It is recommended to check the network...