All of us have problems sometimes with DHCP, especially if we use the Fortigate it as a DHCP relay server.

 

The following commands are used to best troubleshoot the DHCP process:

#diag debug en
#diag debug console timestamp en

The following is used if we use IPSec DHCP relay

#diag debug app dhcprelay 7

The following is used if we are using IPsec DHCP Server

#diag debug app dhcps 7

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