Add wip router
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3 changed files with 245 additions and 1 deletions
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@ -117,6 +117,9 @@
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musicbox = mkNixosSystem "x86_64-linux" [./nixos/musicbox] (with outputs.homeManagerModules; [
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sway
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]);
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router = mkNixosSystem "x86_64-linux" [./nixos/router] (with outputs.homeManagerModules; [
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common
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]);
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};
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# Standalone home-manager configuration entrypoint
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@ -27,7 +27,6 @@
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];
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# TODO: hibernation? does sleep suffice?
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# TODO: perform a hardware scan
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boot = {
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loader = {
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242
nixos/router/default.nix
Normal file
242
nixos/router/default.nix
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@ -0,0 +1,242 @@
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{
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flake,
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inputs,
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lib,
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# outputs,
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# config,
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pkgs,
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...
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}: let
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ip = "192.168.0.1";
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cidr = "${ip}/16";
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netmask = "255.255.0.0";
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lease = {
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min = "192.168.0.5";
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max = "192.168.0.250";
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};
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wan_if = "wan0";
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lan_if = "lan0";
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hosts = {
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dragon = {
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identifier = "dragon";
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host = "dragon";
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ip = "192.168.0.1";
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};
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};
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in {
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networking.hostName = "router";
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networking.domain = "h.lyte.dev";
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imports =
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[
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inputs.disko.nixosModules.disko
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flake.diskoConfigurations.unencrypted
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]
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++ [
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# inputs.hardware.nixosModules.common-cpu-amd
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# inputs.hardware.nixosModules.common-cpu-amd-pstate
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# inputs.hardware.nixosModules.common-pc-laptop-ssd
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];
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# TODO: perform a hardware scan
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boot = {
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loader = {
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efi.canTouchEfiVariables = true;
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systemd-boot.enable = true;
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};
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kernel = {
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sysctl = {
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"net.ipv4.ip_forward" = 1;
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"net.ipv6.conf.all.forwarding" = 1;
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"net.ipv6.conf.wan0.accept_ra" = 2;
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};
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};
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};
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powerManagement.cpuFreqGovernor = lib.mkDefault "ondemand";
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services.fail2ban.enable = true;
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services.radvd = {
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enable = true;
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# TODO: this config is just the default arch linux config I think and may
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# need tweaking? this is what I had on the arch linux router, though :shrug:
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config = ''
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interface lo
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{
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AdvSendAdvert on;
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MinRtrAdvInterval 3;
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MaxRtrAdvInterval 10;
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AdvDefaultPreference low;
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AdvHomeAgentFlag off;
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prefix 2001:db8:1:0::/64
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{
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AdvOnLink on;
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AdvAutonomous on;
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AdvRouterAddr off;
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};
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prefix 0:0:0:1234::/64
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{
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AdvOnLink on;
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AdvAutonomous on;
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AdvRouterAddr off;
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Base6to4Interface ppp0;
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AdvPreferredLifetime 120;
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AdvValidLifetime 300;
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};
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route 2001:db0:fff::/48
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{
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AdvRoutePreference high;
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AdvRouteLifetime 3600;
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};
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RDNSS 2001:db8::1 2001:db8::2
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{
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AdvRDNSSLifetime 30;
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};
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DNSSL branch.example.com example.com
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{
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AdvDNSSLLifetime 30;
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};
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};
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'';
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};
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# TODO: lan0 and wan0 systemd.network.link ?
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networking.extraHosts = ''
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127.0.0.1 localhost
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127.0.1.1 router.h.lyte.dev router
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::1 localhost ip6-localhost ip6-loopback
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ff02::1 ip6-allnodes
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ff02::2 ip6-allrouters
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192.168.0.9 git.lyte.dev
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192.168.0.9 video.lyte.dev
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192.168.0.9 files.lyte.dev
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192.168.0.9 bw.lyte.dev
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192.168.0.9 vpn.h.lyte.dev
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'';
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services.resolved = {
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enable = true;
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extraConfig = ''
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[Resolve]
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DNSStubListener=no
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'';
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};
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networking.firewall = {
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# TODO: port router firewall config
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enable = true;
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package = pkgs.nftables;
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allowPing = true;
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allowedTCPPorts = [22];
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allowedUDPPorts = [];
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};
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networking.dhcpcd = {
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enable = true;
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extraConfig = ''
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duid
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# No way.... https://github.com/NetworkConfiguration/dhcpcd/issues/36#issuecomment-954777644
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# issues caused by guests with oneplus devices
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noarp
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persistent
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vendorclassid
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option domain_name_servers, domain_name, domain_search
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option classless_static_routes
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option interface_mtu
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option host_name
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#option ntp_servers
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require dhcp_server_identifier
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slaac private
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noipv4ll
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noipv6rs
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static domain_name_servers=${ip}
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interface ${wan_if}
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gateway
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ipv6rs
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iaid 1
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# option rapid_commit
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# ia_na 1
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ia_pd 1 ${lan_if}
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interface ${lan_if}
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static ip_address=${cidr}
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static routers=${ip}
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static domain_name_servers=${ip}
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'';
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};
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services.dnsmasq = {
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enable = true;
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# TODO: port to settings
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extraConfig = ''
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# server endpoints
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listen-address=::1,127.0.0.1,${ip}
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port=53
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# DNS cache entries
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cache-size=10000
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# local domain entries
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local=/lan/
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domain=lan
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expand-hosts
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dhcp-authoritative
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conf-file=/usr/share/dnsmasq/trust-anchors.conf
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dnssec
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except-interface=${wan_if}
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interface=${lan_if}
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enable-ra
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# dhcp-option=121,${cidr},${ip}
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dhcp-range=lan,${lease.min},${lease.max},${netmask},10m
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dhcp-range=tag:${lan_if},::1,constructor:${lan_if},ra-names,12h
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dhcp-host=${hosts.dragon.identifier},${hosts.dragon.ip},12h
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# TODO: parameterize the rest?
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dhcp-host=beefcake,192.168.0.9,12h
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dhcp-host=chromebox,192.168.0.5,12h
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dhcp-host=B-C02G56VXML85,192.168.0.128,12h
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dhcp-host=B-W4KNHWJ6XY,192.168.0.217,12h
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dhcp-host=mnemonic,192.168.0.248,ea:1b:7a:fb:8b:b8,12h
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# dhcp-host=frontdoorcam,192.168.0.89,9c:8e:cd:2b:71:e9,120m
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dhcp-host=AMC058BA_A75F1E,192.168.0.150,12h
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dhcp-host=AMC0587F_A2969A,192.168.0.151,12h
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address=/video.lyte.dev/192.168.0.9
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address=/git.lyte.dev/192.168.0.9
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address=/bw.lyte.dev/192.168.0.9
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address=/files.lyte.dev/192.168.0.9
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address=/vpn.h.lyte.dev/192.168.0.9
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address=/.h.lyte.dev/192.168.0.9
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server=${ip}
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server=8.8.8.8
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server=8.8.4.4
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server=1.1.1.1
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server=1.0.0.1
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'';
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};
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system.stateVersion = "23.11";
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}
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