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nix-config
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freifunk: add vpn6 ipip tunnel

This commit is contained in:
Astro 2022-03-22 22:27:47 +01:00
parent 9eaeced6f1
commit 34dcd945d6
1 changed files with 35 additions and 20 deletions
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55
hosts/containers/freifunk/default.nix
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@ -18,6 +18,8 @@ let
upstreams = [ "upstream4" "upstream3" "upstream1" ];
upstreamMark = 3;
rt_table_upstream = 100;
vpn6AddrPart = "200.16";
in {
imports = [
"${modulesPath}/profiles/minimal.nix"
@ -84,7 +86,7 @@ in {
systemd.network = {
netdevs = {
# Dummy interface for primary (10.200) address
bmx_prime = {
bmx-prime = {
enable = true;
netdevConfig = {
Kind = "bridge";
@ -92,10 +94,10 @@ in {
};
};
# Freifunk Dresden Backbone
vpn6 = {
wg-vpn6 = {
enable = true;
netdevConfig = {
Name = "vpn6";
Name = "wg-vpn6";
Kind = "wireguard";
};
wireguardConfig = {
@ -108,10 +110,21 @@ in {
wireguardPeerConfig = {
Endpoint = "vpn4.freifunk-dresden.de:5007";
PublicKey = "7R3K3rGtCZprgqz5/iWql4yLg9BrsaNiv5XQwJ7csn4=";
AllowedIPs = "0.0.0.0/0";
AllowedIPs = "10.203.${vpn6AddrPart}/32";
};
} ];
};
ipip-vpn6 = {
enable = true;
netdevConfig = {
Name = "ipip-vpn6";
Kind = "ipip";
};
tunnelConfig = {
Local = "10.203.${ddmeshAddrPart}";
Remote = "10.203.${vpn6AddrPart}";
};
};
};
networks = {
# Wired mesh interface
@ -119,10 +132,7 @@ in {
enable = true;
matchConfig = { Name = meshInterface; };
addresses = [{
addressConfig = {
Address = "10.201.${ddmeshAddrPart}/16";
Broadcast = "10.255.255.255";
};
addressConfig.Address = "10.201.${ddmeshAddrPart}/16";
}];
};
# Dummy interface for primary (10.200) address
@ -130,20 +140,24 @@ in {
enable = true;
matchConfig = { Name = meshLoopback; };
addresses = [{
addressConfig = {
Address = "10.200.${ddmeshAddrPart}/32";
Broadcast = "10.255.255.255";
};
addressConfig.Address = "10.200.${ddmeshAddrPart}/32";
}];
};
"12-vpn6" = {
"31-wg-vpn6" = {
enable = true;
matchConfig.Name = "vpn6";
matchConfig.Name = "wg-vpn6";
addresses = [{
addressConfig = {
Address = "10.203.${ddmeshAddrPart}/16";
Broadcast = "10.203.255.255";
};
addressConfig.Address = "10.203.${ddmeshAddrPart}/32";
}];
routes = [ {
routeConfig.Destination = "10.203.${vpn6AddrPart}/32";
} ];
};
"32-ipip-vpn6" = {
enable = true;
matchConfig.Name = "ipip-vpn6";
addresses = [{
addressConfig.Address = "10.201.${ddmeshAddrPart}/16";
}];
};
# ZW
@ -183,8 +197,9 @@ in {
--purge_timeout 20 \
--one_way_tunnel 1 \
-r 3 --gateway_hysteresis 20 \
dev=bmx_prime /linklayer 0 \
dev=${meshInterface} /linklayer 1
dev=${meshLoopback} /linklayer 0 \
dev=${meshInterface} /linklayer 1 \
dev=ipip-vpn6 /linklayer 1
'';
Restart = "always";
};