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Multiple Trunked Interfaces - Same VLAN's?

tsull360
Hello,
I've got a few switches with trunked interfaces connected to different ports on my Sophos box. How can I have each of those trunked interfaces pass the same VLAN up to Sophos for routing?

My goal is to have a management network, with each device having an IP address on the management VLAN. I suspect I misunderstand something, as I can only assign a VLAN to a single interface (which makes sense when I think about it), but then how is this accomplished?

Thanks!


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  • 0
    I think you have to create the LAG before you add VLANs to it.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • 0 in reply to BAlfson
    I may have explained it wrong. In short, how do I have a management VLAN present on all devices?

    I threw together a quick graphic:
    MultipleVLAN.png
  • 0
    2 options that we use

    1st use one uplink to a core switch which will filter vlans for you. 

    2nd create a bridge interface that send all vlans sent through both ports.
  • 0
    I'm still not sure I understand, but...

    On any one NIC in your UTM, you can create one or more VLAN interfaces.  VLAN 1 is reserved in the UTM.  If you want to connect directly from the UTM to two switches, go to the 'Link Aggregation' tab in 'Interfaces' and create a Link Aggregation Group by adding an unused NIC to an Interface with one of your VLANs on it.  Now, add the other VLANs to the LAG and connect one NIC to each switch.

    Is that what you're trying to do?

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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