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Update Networking/Docker/Creating a MACVLAN Sub-Interface.md

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Nicole Rappe
2025-02-06 17:22:19 -07:00
parent 113876b544
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Networking/Docker/Creating a MACVLAN Sub-Interface.md
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@ -4,19 +4,16 @@ You may find that you only have one network adapter on a server / VM and need to
!!! info "Assumptions"
It is assumed that you are running Rocky Linux (or CentOS / RedHat).
## Create the Temporary Interface
## Create the Permanent Interface
You will begin with making a new interface, it will have the name `macvlan0`.
``` sh
ip link add macvlan0 link eno1 type macvlan mode bridge
ip addr add 192.168.4.100/24 dev macvlan0
ip link set macvlan0 up
nmcli connection add type macvlan ifname macvlan0 dev ens18 mode bridge ipv4.method manual ipv4.addresses 192.168.4.100/24
nmcli connection up macvlan0
nmcli connection show
```
## Bind a Docker Network to the Sub-Interface
Now you need to run the following command to allow docker to use this interface for the `surveillance_network`
``` sh
docker network create -d macvlan --subnet=192.168.4.0/24 --gateway=192.168.4.1 -o parent=macvlan0 surveillance_network
```
!!! warning "Not Reboot-Persistent Yet"
Unfortunately due to a lack of documentation yet, I do not have a permanent configuration change to make this persistent, as such, you will need to re-run the commands above (at least the "Temporary Interface" section) in order to get it operational again after a system reboot.
```