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pin NIC names to MAC + limit 7DTD restart loops

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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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rope 2026-05-22 09:02:03 +01:00
parent e7222b566b
commit 94d5b6a2a1
2 changed files with 32 additions and 0 deletions
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15
services/router.nix
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@ -75,6 +75,21 @@ in
# --- Interface configuration ---
systemd.network = {
enable = true;
# Pin interface names to MAC addresses so they never swap across boots.
# Without this, "eth0" is an unpredictable kernel name that depends on
# device probe order — if the NICs swap, the entire LAN/WAN config breaks.
links = {
"10-wan" = {
matchConfig.MACAddress = "6c:0b:84:0c:4c:59";
linkConfig.Name = "eno1";
};
"20-lan" = {
matchConfig.MACAddress = "6c:0b:84:0c:4c:58";
linkConfig.Name = "eth0";
};
};
networks = {
"10-wan" = {
matchConfig.Name = "eno1";