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  1. #1
    Untanglit
    Join Date
    Nov 2019
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    15

    Question Changing Network Interface Names?

    I have two network cards in my untangle build, one is a PCI-E card with two interfaces and one onboard card with one interface.

    The onboard interface gets labeled eth0 and the PCI-E interface gets labeled eth1 and eth2.

    I'm running some custom scripts that won't work unless I change the network interface names. I didn't write the scripts and changing the interfaces in the scripts broke my system for some reason.

    I need to change the interface names like so:

    eth1 to eth0
    eth2 to eth1
    eth0 to eth2

    Do I go through udev? Do I need to disable consistent interface device naming in grub? Not sure how to go about this.

    Edit: Editing to give a bit more detail.

    I'm replacing my ISP's ONT and following a guide from dslforums, though my situation is a little different because of the onboard interface. My ISP provides both TV and Internet through their ONT (internet on VLAN 35 and TV on VLAN 36).

    My PCI-E card is a Dell N20KJ with two SFP+ interfaces.

    The SFP+ module coming into my house gets plugged into what is currently eth1. eth2 go to a mikrotik switch using SFP+ modules.

    eth0 (the onboard interface) is a regular rj45 connection that I'd like to utilize exclusively for my TV (forward VLAN 36 to onboard interface).
    Last edited by Syraza; 09-03-2020 at 07:57 AM.

  2. #2
    Untangle Ninja sky-knight's Avatar
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    Apr 2008
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    Phoenix, AZ
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    25,304

    Default

    https://wiki.debian.org/NetworkInter...NG_.LINK_FILES

    I suggest updating your scripts so they are more flexible. Those eth flags can change on a reboot with Debian 10. So my question is, what do those scripts do? And why are you running them?

    Finally, fair warning this belongs in the hacks forum, none of this is supported.
    Rob Sandling, BS:SWE, MCP
    NexgenAppliances.com
    Phone: 866-794-8879 x201
    Email: support@nexgenappliances.com

  3. #3
    Untangler jcoffin's Avatar
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    Default

    This will break a lot of functionality not to mention upgrades.
    Attention: Support and help on the Untangle Forums is provided by
    volunteers and community members like yourself.
    If you need Untangle support please call or email support@untangle.com

  4. #4
    Untanglit
    Join Date
    Nov 2019
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    15

    Default

    Not sure how to go about moving it to the hacks forum.

    The scripts are for igmpproxy, which isn't native to untangle. I'm replacing my ISP's ONT and following a guide from dslforums, though my situation is a little different because of the onboard interface.

  5. #5
    Untangler jcoffin's Avatar
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    Default

    No worries. I mainly post the warning for future search results which find this and blindly use it.
    Attention: Support and help on the Untangle Forums is provided by
    volunteers and community members like yourself.
    If you need Untangle support please call or email support@untangle.com

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