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feat(router02): mwan transit, nat64, siit

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Drop ens nat, nat64 is provided by mwan
This commit is contained in:
sinavir 2024-10-29 06:59:21 +01:00
parent c2a3c53cde
commit 3b8189ad5b
2 changed files with 134 additions and 42 deletions
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174
machines/router02/networking.nix
View file

@ -2,6 +2,7 @@
systemd.network = {
config.routeTables = {
he = 100;
mwan = 110;
};
networks = {
"10-ens18" = {
@ -26,8 +27,8 @@
Description = "Lan bridge";
};
vlan = [
"vlan-nat"
"vlan-he"
"vlan-mwan-siit"
"vlan-he-dmz"
];
};
"50-tun-he" = {
@ -60,6 +61,12 @@
Table = "he";
};
}
{
routingPolicyRuleConfig = {
To = "2001:470:1f13:187::/64";
Table = "he";
};
}
];
};
"50-tun-mwan" = {
@ -69,23 +76,104 @@
Address = [
"10.1.1.50/30"
"2a0b:cbc0:1::216/126"
"2a0e:e701:1120::1/64"
];
ConfigureWithoutCarrier = true;
};
routes = [
{
routeConfig = {
Gateway = "2a0b:cbc0:1::215";
PreferredSource = "2a0e:e701:1120::1";
};
}
{
# Local route
routeConfig = {
Table = "mwan";
Destination = "2a0e:e701:1120::/64";
};
}
{
# Default unreachable route for unattributed prefixes of our /48
routeConfig = {
Table = "mwan";
Metric = 9999;
Destination = "2a0e:e701:1120::/48";
Type = "unreachable";
};
}
{
routeConfig = {
Table = "mwan";
Gateway = "2a0b:cbc0:1::215";
PreferredSource = "2a0e:e701:1120::1";
};
}
# IPv4
{
routeConfig = {
Scope = "global";
Table = "mwan";
Gateway = "10.1.1.49";
};
}
];
routingPolicyRules = [
{
routingPolicyRuleConfig = {
From = "45.13.104.24/29";
Table = "mwan";
};
}
{
routingPolicyRuleConfig = {
To = "45.13.104.24/29";
Table = "mwan";
};
}
{
routingPolicyRuleConfig = {
From = "2a0e:e701:1120::/48";
Table = "mwan";
};
}
{
routingPolicyRuleConfig = {
To = "2a0e:e701:1120::/48";
Table = "mwan";
};
}
];
};
"60-vlan-nat" = {
name = "vlan-nat";
"60-vlan-mwan-siit" = {
name = "vlan-mwan-siit";
networkConfig = {
Description = "Nat IPv4 vers renater";
Address = [ "10.3.161.1/24" ];
DHCPServer = true;
Description = "SIIT-DC vers MilkyWAN";
Address = [ "2a0e:e701:1120:1000::1/64" ];
IPv6SendRA = "yes";
};
dhcpServerConfig = {
PoolOffset = 50;
ipv6SendRAConfig = {
DNS = [ "2a0e:e701:1120:1000::f:1" ];
};
ipv6Prefixes = [
{
ipv6PrefixConfig = {
Prefix = "2a0e:e701:1120:1000::/64";
};
}
];
routes = [
{
routeConfig = {
Table = "mwan";
Destination = "2a0e:e701:1120:1000::/64";
};
}
];
};
"60-vlan-he" = {
name = "vlan-he";
"60-vlan-he-dmz" = {
name = "vlan-he-dmz";
networkConfig = {
Description = "HE DMZ VLAN";
Address = [ "2001:470:1f13:187::1/64" ];
@ -107,17 +195,7 @@
};
}
];
routingPolicyRules = [
{
routingPolicyRuleConfig = {
To = "2001:470:1f13:187::/64";
Table = "he";
};
}
];
};
};
netdevs = {
"50-tun-he" = {
@ -141,40 +219,55 @@
Remote = "80.67.167.30";
};
};
"60-vlan-nat" = {
"60-vlan-mwan-siit" = {
netdevConfig = {
Kind = "vlan";
Name = "vlan-nat";
Name = "vlan-mwan-siit";
};
vlanConfig.Id = 2510;
vlanConfig.Id = 2520;
};
"60-vlan-he" = {
"60-vlan-he-dmz" = {
netdevConfig = {
Kind = "vlan";
Name = "vlan-he";
Name = "vlan-he-dmz";
};
vlanConfig.Id = 2530;
};
};
};
networking = {
nftables = {
enable = true;
tables.nat = {
family = "ip";
content = ''
chain postrouting {
type nat hook postrouting priority 100;
ip saddr 10.3.161.0/24 snat to 129.199.146.230;
}
'';
};
};
firewall = {
allowedUDPPorts = [ 67 ];
allowedUDPPorts = [
67
53
];
extraInputRules = ''
ip protocol gre ip saddr 80.67.167.30 accept;
'';
'';
logReversePathDrops = true;
checkReversePath = "loose";
};
};
networking.jool = {
enable = true;
siit.siitdefault = {
global = {
manually-enabled = true;
pool6 = "2a0e:e701:1120:ffff::/96";
rfc6791v4-prefix = "10.243.0.0/24";
randomize-rfc6791-addresses = false;
lowest-ipv6-mtu = 1500;
logging-debug = true;
};
eamt = [
{
"ipv4 prefix" = "45.13.104.24/29";
"ipv6 prefix" = "2a0e:e701:1120:1000:ffff::45.13.104.24/125";
}
];
denylist4 = [
"129.199.146.230/32" # ENS
];
};
};
@ -182,5 +275,4 @@
"net.ipv4.ip_forward" = true;
"net.ipv6.conf.all.forwarding" = true;
};
}

2
meta/nodes.nix
View file

@ -34,6 +34,6 @@
hashedPassword = "$y$j9T$aFhOWa05W7VKeKt3Nc.nA1$uBOvG4wf7/yWjwOxO8NLf9ipCsAkS1.5cD2EJpLx57A";
stateVersion = "24.05";
nixpkgs = "24.05";
nixpkgs = "unstable";
};
}