DHCP not working on VLAN

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viswanath.suri
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2020/05/13 16:08:37 (permalink)

DHCP not working on VLAN

[font="verdana; font-size: 14px; font-weight: normal"]Hello,

We are using fortiGate 60F v6.0.6. Recently we created a new Hardware Switch interface with 2 of the LAN ports as members 
The role is LAN and the IP/Netmask is 0.0.0.0/0.0.0.0.
Under this hardware switch interface, we have created a VLAN, role as LAN and the IP/Netmask is 10.21.14.1/255.255.255.0
DHCP server is enable in VLAN. 
 
Same VLAN is created in a manageable switch is tagged to the firewall VLAN.  When a laptop is connected to the VLAN ports in the Switch laptop is not getting IP addess from the VLAN pool from Firewall. 
 
See the interfaces in the firewall
Role                                 IP/Netmask
Hardware Switch               0.0.0.0/0.0.0.0
VLAN                               10.21.14.1/255.255.255.0
 
 
 
Firewall DHCP logs using    diag sniff packet any "port 67 or port 68" 4
 
1264.792359 vlan in 0.0.0.0.68 -> 255.255.255.255.67: udp 300
1265.816635 vlan in 0.0.0.0.68 -> 255.255.255.255.67: udp 316
1397.432855 vlan in 0.0.0.0.68 -> 255.255.255.255.67: udp 310
 
Please suggest he necessary steps to get IP connected from DHCP server in firewall VLAN thru the switch.
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