Can the client with issue ping the DHCP server’s interface
using a static IP configuration?
If the client with issue can ping the DHCP server, go to step 3.
If the client with issue cannot ping the DHCP server, proceed to the VLAN
Troubleshooting Guide.
Is the Zyxel switch the DHCP server?
Figure 1 Switch is the local DHCP server
Figure 2 Network uses an external DHCP server
If the Zyxel switch is the DHCP server, go to step 4.
If the Zyxel switch is not the DHCP server, go to <OTHERS>.