!tCyGickeVqkHsYjWnh:nixos.org

NixOS Networking

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Declaratively manage your switching, routing, wireless, tunneling and more. | Don't rely on `networking.*` for interface and routing setup, use systemd-networkd, ifstate or NetworkManager instead. | Set `SYSTEMD_LOG_LEVEL=debug` to debug networking issues with networkd | No bad nft puns, please. | Room recommendations: #sysops:nixos.org253 Servers

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SenderMessageTime
30 Jun 2025
@emilazy:matrix.orgemilyand RFC 42 style integration for that seems like something we'd accept in NixOS15:11:43
@emilazy:matrix.orgemilynetworkd can rename interfaces15:11:56
@emilazy:matrix.orgemilybut maybe I misunderstand15:12:21
@hexa:lossy.networkhexa (clat on linux when).links files where interface renaming happens are handled by udev15:12:37
@hexa:lossy.networkhexa (clat on linux when)you would possibly need to retrigger udev to cause the rename to happen15:12:50
@hexa:lossy.networkhexa (clat on linux when)there are more interesting ways to shoot yourself in the foot15:13:06
@molly:matrix.flyingcircus.ioMolly Millerthe last time i looked at this 12-18 months ago, retriggering udev wouldn't rename the interfaces, that codepath was only triggered when they get added to the system for the first time15:13:34
@molly:matrix.flyingcircus.ioMolly Millerthe reasoning behind all of this is that our servers all have 4+ network interface each, so we name interfaces by function, and sometimes the interface assignment does change15:14:48
@k900:0upti.meK900That sounds like you should just use networkd link names for?15:15:41

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