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routing for second interface #95

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evanc wants to merge 4 commits from second-interface-routing into main
pull from: second-interface-routing
merge into: Skynet:main
Conversation 5 Commits 4 Files changed 1 +27 -1
1 changed files with 27 additions and 1 deletions
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machines/skynet.nix
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@ -81,4 +81,30 @@ in {
name = name;
};
};
# from https://discourse.nixos.org/t/second-default-gateway/22220/5 and https://www.thomas-krenn.com/en/wiki/Two_Default_Gateways_on_One_System
networking = {
iproute2 = {
enable = true;
rttablesExtraConfig =
''1 rt2'';
};
};
systemd.services.secondGateway = {
description = "External route.";
path = [pkgs.bash pkgs.iproute];
script = ''
ip route add 193.1.96.160/28 dev eth1 src 193.1.96.165 table rt2
ip route add default via 193.1.96.161 dev eth1 table rt2
ip rule add from 193.1.96.165/28 table rt2
ip rule add to 193.1.96.165/28 table rt2
'';
serviceConfig = {
Type= "oneshot";
User = "root";
Restart = "no";
};
};
}