fix: bypass router

modules/nixos/base/networking.nix

@@ -1,8 +1,23 @@
 {
   lib,
+  pkgs,
   vars_networking,
   ...
 }: {
+  environment.systemPackages = with pkgs; [
+    # networking tools
+    mtr # A network diagnostic tool
+    iperf3
+    dnsutils # `dig` + `nslookup`
+    ldns # replacement of `dig`, it provide the command `drill`
+    wget
+    curl
+    aria2 # A lightweight multi-protocol & multi-source command-line download utility
+    socat # replacement of openbsd-netcat
+    nmap # A utility for network discovery and security auditing
+    ipcalc # it is a calculator for the IPv4/v6 addresses
+  ];
+
   # networking.firewall.allowedTCPPorts = [ ... ];
   # networking.firewall.allowedUDPPorts = [ ... ];
   # Or disable the firewall altogether.