Is it possible for a device on one VLAN to connect to a web server on a different VLAN on FWG.

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3 comments

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    James Willhoite

    Depends, do you have a block rule for every LAN/VLAN?

    Ex: LAN 1 block to and from VLAN1
    VLAN 1 block to and from LAN 1

    Or is it just VLAN1 block to and from LAN1?

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    jdunn213

    I have `to and from` block rules between certain VLANs such as my IoT VLAN and my Home Network VLAN.  But when it comes to my Home Lab VLAN and Proxmox VLAN I have allow from both to each other and no blocks in place.  

     

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    Pcpartsg

    I have segmented my network with several VLANs and established specific rules for one device to access devices on another VLAN.

    example: using mopidy / snap clients, which are in there own VLAN (5), no need for internet.

    this means updates have to be provided by another system (using Apt-Cache-NG) in LAN, which is on another VLAN (3).
    because raspberries have no Real Time clock, they also need to get the time from an NTP Server (same as the update server). I have cron jobs running, which are based on time and so it has to be correct.

    my rule for this scenario is in the VLAN 5
    - block Traffic from & to Internet
    - alllow VLAN 5 to ip@ of device in VLAN3 bi-directional.

    with that I can update the raspberries, using the  multiroom audio system and get the time updated.

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