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nixfiles/hosts/carbon/net-mgmt.nix
clerie 6840548833 hosts/carbon: Readvertise prefixes often enough
Advertise current prefixes more often than claimed addresses expire.
Also increased lifetimes for claimed addresses.
2024-11-10 19:52:47 +01:00

64 lines
1.4 KiB
Nix

{ ... }:
{
networking.vlans."enp1s0.203" = {
id = 203;
interface = "enp1s0";
};
networking.bridges."net-mgmt".interfaces = [
"enp1s0.203"
];
networking.interfaces."net-mgmt".ipv6.addresses = [
{ address = "fe80::1"; prefixLength = 64; }
{ address = "fd00:152:152:203::1"; prefixLength = 64; }
];
networking.interfaces."net-mgmt".ipv4.addresses = [
{ address = "10.152.203.1"; prefixLength = 24; }
];
services.radvd.config = ''
interface net-mgmt {
AdvSendAdvert on;
MaxRtrAdvInterval 30;
prefix ::/64 {
AdvValidLifetime 300;
AdvPreferredLifetime 120;
};
};
'';
services.kea.dhcp4 = {
settings = {
interfaces-config = {
interfaces = [ "net-mgmt" ];
};
subnet4 = [
{
id = 203;
subnet = "10.152.203.0/24";
pools = [
{
pool = "10.152.203.100 - 10.152.203.240";
}
];
option-data = [
{
name = "routers";
data = "10.152.203.1";
}
];
}
];
};
};
clerie.firewall.extraForwardFilterCommands = ''
# Allow access from Heimnetz to MGMT network
ip46tables -A forward-filter -i net-heimnetz -o net-mgmt -j ACCEPT
ip46tables -A forward-filter -i net-mgmt -j DROP
ip46tables -A forward-filter -o net-mgmt -j DROP
'';
}