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How to setup trunk port on Sophos XG?

sparkytech

I am trying to setup a trunk port between My Sophos XG firewall and a managed switch. I have created VLAN's 2 & 3, and created DHCP servers for both of them. I need both of these VLAN's to be on port 2 of my Sophos box. When I connect to my managed switch trunk port, and connect my PC to VLAN 2 or 3 switch ports, I do not get an IP address from the DHCP server in Sophos. What am I doing wrong here?



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  • +1

    Bryan,

    your configuration should work with no issue. Did you connect the same pc and received an IP address on VLAN 1 from XG? If the XG has already release an IP to a PC, it will not release another IP to the same PC (MAC-ADDRESS) in another vlan, unless you do not enable global dhcp options.

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  • +1

    Bryan,

    your configuration should work with no issue. Did you connect the same pc and received an IP address on VLAN 1 from XG? If the XG has already release an IP to a PC, it will not release another IP to the same PC (MAC-ADDRESS) in another vlan, unless you do not enable global dhcp options.

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  • 0 in reply to lferrara

    Hello this is my network topology.  I have to make INTERVLAN ROUTING BETWEEN VLAN NETWORKS. 

    How do trunk port between SW3 - Layer 3 and Sophos XG Firewall.

  • 0 in reply to StilianLazarov

    Stilian,

    in order to create "router on a stick" proceed as follow:

    • configure a physical network interface with an IP (this is required for VLAN 1)
    • Add other VLAN on the same ports (always under Network Menu > Interfaces TAB)
    • Create the proper Firewall rules
    • Create a DHCP server for each VLAN Interface under DHCP TAB

    You can assign the additional VLAN to LAN zone or create additional zone if you wish.

    If you need inter-vlan communication, create the needed firewall rules.

    Regards

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