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kerrigan: working IPv6 passthru

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This commit is contained in:
Luke Granger-Brown 2023-01-21 22:38:56 +00:00
parent 6fd15f1080
commit 12d9be8909
6 changed files with 38 additions and 66 deletions
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41
ops/nixos/kerrigan/default.nix
View file

@ -34,6 +34,8 @@ in
"net.ipv4.ip_forward" = "1";
"net.ipv6.conf.default.forwarding" = "1";
"net.ipv6.conf.all.forwarding" = "1";
"net.ipv6.conf.default.accept_ra_from_local" = "1";
"net.ipv6.conf.all.accept_ra_from_local" = "1";
};
networking = {
@ -44,7 +46,7 @@ in
networkmanager = {
enable = true;
dns = "systemd-resolved";
unmanaged = [ "eth1" "eth2" ];
unmanaged = [ "*,except:type:gsm" ];
extraConfig = ''
[main]
no-auto-default=*
@ -65,6 +67,36 @@ in
users.users.lukegb.extraGroups = lib.mkAfter [ "networkmanager" ];
my.systemType = "aarch64-linux";
systemd.network.netdevs.br0 = {
netdevConfig = {
Name = "br0";
Kind = "bridge";
};
};
systemd.network.networks.br0 = {
matchConfig.Name = "br0";
networkConfig = {
LinkLocalAddressing = "ipv6";
Address = "10.42.0.1/24";
IPForward = true;
IPMasquerade = "ipv4";
IPv6AcceptRA = true;
DHCPServer = true;
};
ipv6AcceptRAConfig = {
UseGateway = false;
RouteMetric = 100;
};
dhcpServerConfig = {
PoolOffset = 100;
PoolSize = 100;
};
};
systemd.network.networks.links-to-bridge = {
matchConfig.Name = "lan*";
networkConfig.Bridge = "br0";
};
systemd.services.ModemManager = {
wantedBy = [ "network.target" ];
};
@ -85,6 +117,7 @@ in
enable = true;
config = ''
interface br0 {
IgnoreIfMissing on;
AdvSendAdvert on;
AdvLinkMTU 1280;
@ -92,10 +125,12 @@ in
Base6Interface wwan0;
AdvValidLifetime 600;
AdvPreferredLifetime 300;
}
}
};
};
'';
};
systemd.services."systemd-networkd-wait-online".wantedBy = lib.mkForce [];
system.stateVersion = "23.05";
}

19
ops/nixos/kerrigan/networkmanager/bridge-br0.nmconnection
View file

@ -1,19 +0,0 @@
[connection]
id=bridge-br0
uuid=bb1df01a-67f4-44f6-99b7-a94a8d91c00e
type=bridge
interface-name=br0
[ethernet]
[bridge]
forward-delay=3
[ipv4]
method=shared
[ipv6]
addr-gen-mode=default
method=shared
[proxy]

11
ops/nixos/kerrigan/networkmanager/bridge-slave-lan0.nmconnection
View file

@ -1,11 +0,0 @@
[connection]
id=bridge-slave-lan0
uuid=a9bee559-325f-4ac4-9c02-b129d08b0c03
type=ethernet
interface-name=lan0
master=br0
slave-type=bridge
[ethernet]
[bridge-port]

11
ops/nixos/kerrigan/networkmanager/bridge-slave-lan1.nmconnection
View file

@ -1,11 +0,0 @@
[connection]
id=bridge-slave-lan1
uuid=a1d80f6a-a7c8-4888-911f-82041324ab84
type=ethernet
interface-name=lan1
master=br0
slave-type=bridge
[ethernet]
[bridge-port]

11
ops/nixos/kerrigan/networkmanager/bridge-slave-lan2.nmconnection
View file

@ -1,11 +0,0 @@
[connection]
id=bridge-slave-lan2
uuid=99e29121-71a4-40d1-886f-fa10410a4897
type=ethernet
interface-name=lan2
master=br0
slave-type=bridge
[ethernet]
[bridge-port]

11
ops/nixos/kerrigan/networkmanager/bridge-slave-lan3.nmconnection
View file

@ -1,11 +0,0 @@
[connection]
id=bridge-slave-lan3
uuid=8943379a-dc7a-453d-a16a-6be42e842f2c
type=ethernet
interface-name=lan3
master=br0
slave-type=bridge
[ethernet]
[bridge-port]