Access OMV via second NIC

seanmccabe · 14. August 2020

Hi all,

I've been using OMV for a while, and thanks to this forum usually find the solution to my problem (these are usually far between), but this time I am out of my depth and looking for some advice and instruction.

Long story short, finally got the WiFi drivers working on my box, and hooked up to my WiFi. This is my 2nd interface and connects to the WiFi with my IoT devices on it (my primary home network) and I want to run a Docker container with Home Assistant on it access this network.

I am stumped on how to do this (not the Docker part, thats easy) but how to get the Docker Container to use that interface and not the primary one I've been using (enp3s0, ethernet).

I can see in OMV and on my router DHCP table that the WiFi interface (wlp4s0) is connected, has an IP address, but I am unable to connect to OMV on the web interface via this IP.

I assume as this isn't working, there must be some further setup and this is where I am at a loss as to what to do.

Once this is sorted, looking for some help then configuring the Docker container to use the wlp4s0 interface.

Hoping someone here can help. Thanks in advance.

seanmccabe · 16. August 2020

Anyone at least able to help getting a response from OMV on the 2nd interface?

OMV is getting an IP address, just getting no response.

Tried following this guide, but nada:

https://coderazzi.net/linux/dual_nic_linux.htm

knobblysnail · 23. August 2020

Hi Sean,

I don't see why you would need to access the OMV control panel from your IoT network.

I am using a second network interface for my Docker containers. My second interface does not itself have an IP address - it is merely the parent of my single Docker macvlan network (I named mine NIC2).

The second interface does need to be added in the OMV Network>Interfaces tab to bring it UP on each reboot, however both IPv4 & IPv6 may be disabled.

The containers each define their own IP addresses in their docker-compose.yml:

Code

version: "3"
networks:
  NIC2:
    external: true
      
services:
  pihole:
    container_name: pihole
    image: pihole/pihole:latest
    hostname: pihole
    networks:
      NIC2:
        ipv4_address: 192.168.1.104
    environment:
...

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jrowe88 · 13. September 2020

seanmccabe - are you using OMV web to configure your 2nd NIC? I can confirm that I am doing exactly what you describe -- I have a bonded set of NICs on one IP address and a wireless NIC on another. I can access OMV web using either IP.

Access OMV via second NIC

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