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Question concerning Rulz Rule #3.1

Xavier2
Hi

https://community.sophos.com/products/unified-threat-management/astaroorg/f/51/t/22065
Rule #3.1: Never connect two NICs into the same, physical Ethernet segment unless bridging or creating a LAG.

I want to install four (WAN-) connections between UTM and another router via two ethernet ports on both sides. Therefore  I need two VLANs on each physical connection. (No LAGs)

Is this allowed according to rule 3.1?
Is there something I've to keep in mind?

Xavier


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  • 0
    Xavier, if I understand correctly, you won't have the same subnet on any of the four VLANs, so you should be fine.  Is there any reason you wouldn't create a LAG of the two ports first before putting the four VLANs on them?

    Cheers - Bob
  • 0 in reply to BAlfson
    Hi Bob,

    thank you.
    Yes, all four connections use different (transfer-) subnets.

    The reason for this config is that the router between the WAN and the UTM has four WAN connections.
    I'd like to play with the Multi-WAN features of the UTM. 

    Xavier