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-rw-r--r--os/kay/modules/router.nix24
1 files changed, 20 insertions, 4 deletions
diff --git a/os/kay/modules/router.nix b/os/kay/modules/router.nix
index 0d01465..64c653c 100644
--- a/os/kay/modules/router.nix
+++ b/os/kay/modules/router.nix
@@ -1,6 +1,10 @@
{ ... }: let
wanInterface = "ppp0";
+ gponInterface = "enp3s0";
+ gponHost = "192.168.38.2";
+ gponPrefix = 24;
+
lanInterface = "enp8s0f3u1";
subnet = "10.0.0.0";
prefix = 24;
@@ -19,10 +23,14 @@ in {
externalInterface = wanInterface;
internalInterfaces = [ lanInterface ];
};
- interfaces."${lanInterface}" = {
- ipv4.addresses = [{
- address = host;
- prefixLength = prefix;
+ interfaces = {
+ ${lanInterface}.ipv4.addresses = [{
+ address = host;
+ prefixLength = prefix;
+ }];
+ ${gponInterface}.ipv4.addresses = [{
+ address = gponHost;
+ prefixLength = gponPrefix;
}];
};
firewall = {
@@ -36,6 +44,14 @@ in {
iptables -t mangle -A FORWARD -p tcp --tcp-flags SYN,RST SYN \
-o ${wanInterface} \
-j TCPMSS --clamp-mss-to-pmtu
+
+ iptables -t nat -I POSTROUTING 1 \
+ -s ${subnet}/${toString prefix} \
+ -o ${gponInterface} \
+ -j MASQUERADE
+ iptables -t mangle -A FORWARD -p tcp --tcp-flags SYN,RST SYN \
+ -o ${gponInterface} \
+ -j TCPMSS --clamp-mss-to-pmtu
'';
};
};