From cb26b985ddfda7e272a6f43fc9a1a30cb904910b Mon Sep 17 00:00:00 2001
From: alex <asxalex@163.com>
Date: Wed, 15 Apr 2026 14:19:51 +0800
Subject: [PATCH] drop_multicast is configured with CommandLine

---
 src/bin/punchnet/main.rs |  2 +-
 src/lib.rs               |  2 +-
 src/network/tun_win.rs   | 10 +++-------
 3 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/src/bin/punchnet/main.rs b/src/bin/punchnet/main.rs
index 9c02d07..7f32290 100755
--- a/src/bin/punchnet/main.rs
+++ b/src/bin/punchnet/main.rs
@@ -169,7 +169,7 @@ async fn daemonize_me(
             // nat_server2: "47.98.178.3:1265".to_owned(),
             nat_server2: server.clone() +":1366",
             allow_routing: allow_routing,
-            _drop_multicast: true,
+            _drop_multicast: false,
             register_ttl: 1,
             mtu: 1400,
             name: "tau".to_owned(),
diff --git a/src/lib.rs b/src/lib.rs
index f609c2e..0f487bf 100755
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -162,7 +162,7 @@ async fn parse_config(uuid: String, args: &CommandLine) -> Result<NodeConfig> {
     let node_conf = NodeConfig {
         name: args.name.to_owned(),
         allow_routing: AtomicBool::new(args.allow_routing),
-        _drop_multicast: true,
+        _drop_multicast: args._drop_multicast,
         allow_p2p: args.allow_p2p,
         mtu: args.mtu,
         _tos: 0,
diff --git a/src/network/tun_win.rs b/src/network/tun_win.rs
index 0fe3e24..d9a8690 100755
--- a/src/network/tun_win.rs
+++ b/src/network/tun_win.rs
@@ -69,10 +69,6 @@ impl Iface {
         }
 
         let mask = net_bit_len_to_mask(netbit);
-        let mut default_gw = (ip & mask) + 1;
-        if default_gw == ip {
-            default_gw += 1;
-        }
         let ip = ip_to_string(&ip);
 
         let netbit = ip_to_string(&net_bit_len_to_mask(netbit));
@@ -123,9 +119,9 @@ impl Iface {
             }
         }
 
-        let gw = ip_to_string(&default_gw);
-        debug!("gw = {}", gw);
-        if let Err(e) = set_dns(&self.name, network_domain, &gw, self.if_idx) {
+        // let gw = ip_to_string(&default_gw);
+        debug!("gw = {}", ip);
+        if let Err(e) = set_dns(&self.name, network_domain, &ip, self.if_idx) {
             error!("failed to set dns: {:?}", e);
         } else {
             error!("set dns ok");