[pve-devel] [PATCH docs] network: override device names: include Type=ether in link file

[Friedrich Weber <f.weber@proxmox.com>]

Mention that the systemd link file should contain `Type=ether`, to
make sure it only applies to Ethernet devices and does not ever apply
to e.g. bridges or bonds which inherit the MAC address of the Ethernet
device. Reported in the forum [0].

[0] https://forum.proxmox.com/threads/144557/post-656188

Fixes: 96c0261 ("fix #4847: network: extend section on interface naming scheme")
Signed-off-by: Friedrich Weber <f.weber@proxmox.com>
---
 pve-network.adoc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pve-network.adoc b/pve-network.adoc
index ef586ec..8e5fa1c 100644
--- a/pve-network.adoc
+++ b/pve-network.adoc
@@ -170,6 +170,9 @@ identifier. A link file has two sections: `[Match]` determines which interfaces
 the file will apply to; `[Link]` determines how these interfaces should be
 configured, including their naming.
 
+The `[Match]` section should contain `Type=ether`, to make sure it only matches
+Ethernet devices.
+
 To assign a name to a particular network device, you need a way to uniquely and
 permanently identify that device in the `[Match]` section. One possibility is
 to match the device's MAC address using the `MACAddress` option, as it is
@@ -183,6 +186,7 @@ the following contents:
 ----
 [Match]
 MACAddress=aa:bb:cc:dd:ee:ff
+Type=ether
 
 [Link]
 Name=enwan0
-- 
2.39.2



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