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VLANs behind RED

Dear All,

I have "small" problem with XG230/RED50 configuration:

XG230

Port2

  • configured - WAN

Port1

  • Default address 172.16.16.16/24 in LAN zone
  • Vlan 2 and Vlan 3 are configured on Port1 also in LAN zone (Vlan2: 192.168.121.0/23, Vlan3: 192.168.122.0/24)
  • For both Vlan's DHCP servers are configured

Firewall

  • Except default rules I have added rule: (LAN zone, All networks and devices, all the time) --- ACCEPT --- (LAN zone, All networks, All services) without users matching and masquerading

RED50

  • Connected to XG230
  • Operation mode: Standard/Unified
  • Private IP address: 172.16.16.18/24 in LAN zone
  • Switchport mode: VLAN, port1 defined as trunk port with Vlan IDs 2 and 3

Behind XG230 and RED50 are L2 switches with configured trunk ports (Vlan2 and Vlan3) and access ports.

Problem is: Computers behind XG230 are getting correct IP addresses, Computers behind RED50 are not...

Where is my mistake?

Thank you in advance for your help!



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  • Hi,

     

    Why do you need VLAN behind a RED in this setup?

    Because you need to bridge the VLAN ID 2 on XG together with the RED Interface on XG. And afterwards you would have to tag the ID on the bridge.

    And this is not possible. (Only 1 VLAN per Bridge) https://community.sophos.com/kb/en-us/123508

     

     

    Basically most of the time, you dont need the VLAN Tags on the RED Site or you have a DHCP Server on the RED Site. 

    I think your expectation is not correct. You want to have the same subnet on RED site as well XG site, correct?