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ralmi95
Contributor
Contributor

VLAN networking not working - Fortigate/FortiSwitch/ESXI/Windows Server

Hi everyone,

I am having issues with ESXI VLAN networking. My guest Windows Server cannot receive an IP address.

Here is the summary of the network.

  • Fortigate 60E with multiple VLANS and manages a few FortiSwitch.
  • ESXI physical host is connected directly to one of the Fortiswitch. This ESXI hosts a virtual Windows Servers which should be in VLAN 70.
  • VLAN 70 is working because I directly connected my laptop to the Fortiswitch and I received an address and Internet works great. Although, when I put the VM in the same VLAN it doesn't work.

 

Here are the configurations :

Fortigate :

  • VLAN 70 : 192.168.70.0/24 + DHCP from 192.168.70.2 - 254
  • VLAN 10 : 10.200.0.0/24 (DNS server is on this vlan)
  • Policy to go to the internet 
  • Policy for vlan 70 and 10 to communicate

FortiSwitch :

Port where I connected the laptop :

  • Native VLAN - VLan 70
  • Allowed VLANS - left it on default which quarantine.fortilink

ESXI :

Port groups :

  • VLAN 70 with ID 70, connected to vSwitch0
  • LAN-PRO with ID 0 (vlan 10), connected to vSwitch0
  • Management Network, connected to vSwitch0

Virtual Switch :

  • vSwitch0

Windows Server :

  • The windows Server is on the port group VLAN 70
  • DNS is written manually

Is there something that I am missing ? Because I cannot get an IP address. I am receiving an address like 169.128..... (Something like this).

I tried many documentations and also YouTube videos but I can't seem to make this work. Other guest vms works fine in VLAN 10 (meaning receiving an ip address and internet).

I would appreciate any help, thanks ! Please let me know if you need additionnal information !

 

 

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