Why can't the SFP LAN interface assign a DHCP IP normally?
Zyxel_Jeff
Posts: 1,247 Zyxel Employee
in Networking
Question:
The user may face an issue where the SFP interface is set as an internal LAN zone port, but it fails to assign a DHCP IP to the host client. What could be the possible reason, and how can this problem be resolved?
Answer:
The possible reason why the SFP interface fails to assign a DHCP IP to the host client is the missing DHCP server settings on the SFP interface. Please enable the DHCP server settings to resolve this issue, as shown below:
Verification Result:
If the host client connects to a switch that is connected to the SFP port of the Zyxel firewall, it will receive a DHCP IP in the range of 192.168.66.X from the DHCP server normally, as shown below:
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