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#1 2019-11-26 22:23:47

Bidski
Member
Registered: 2019-07-31
Posts: 7

Network interface names in the live environment

I am wondering what scheme the Arch Linux live environment is using to name network interface names.

When I boot into the live environment and run

ip -br link

I see

lo           UNKNOWN        00:00:00:00:00:00 <LOOPBACK,UP,LOWER_UP> 
eno1         DOWN           1c:69:7a:06:ff:85 <BROADCAST,MULTICAST> 
wlan0        DOWN           04:ea:56:82:55:b9 <BROADCAST,MULTICAST> 

However, after installing Arch Linux and booting into the new system, running

ip -br link

produces

lo               UNKNOWN        00:00:00:00:00:00 <LOOPBACK,UP,LOWER_UP> 
eno1             DOWN           1c:69:7a:06:ff:85 <BROADCAST,MULTICAST> 
wlp0s20f3        DOWN           04:ea:56:82:55:b9 <BROADCAST,MULTICAST> 

I am guessing that both the live environment and the installed are using the predictable network interface naming, but if this was the case then I would expect both systems to name the wireless interface the same way. So, what is causing the difference?

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