i have question eg310

i have warning on WAN1 is DNS Abnormalities

what is mean and how to fix it

thanks

When the WAN port of the gateway shows "DNS abnormalities", there may be several situations as follows:
The DNS server configuration of the gateway device itself is wrong. It might be that the wrong DNS server address was manually set, or there was a malfunction during the process of automatically obtaining the DNS server address.

The DNS server of your Internet Service Provider (ISP) has malfunctioned. This might cause the gateway to be unable to resolve domain names normally, thus showing DNS abnormalities.
Network congestion or interruption. If there is a large amount of data transmission in the network, or if the network malfunctions, it might lead to DNS query timeout or failure, and a DNS abnormality prompt appears.
If it doesn't affect the usage, you can also choose to ignore it.
Solutions：
Check the DNS server settings of the gateway device to ensure they are correctly configured. If the DNS server address is obtained automatically, you can try to manually set it to a reliable public DNS server address.
If there is network congestion or interruption, you can try to wait for a period of time to allow the network to return to normal. Or contact your Internet Service Provider to check for network faults and seek solutions.