diff --git a/Cargo.lock b/Cargo.lock
index c007ba2..e78264b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -227,12 +227,6 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
-[[package]]
-name = "cfg_aliases"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724"
-
 [[package]]
 name = "cipher"
 version = "0.4.4"
@@ -774,15 +768,6 @@ version = "2.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f52b00d39961fc5b2736ea853c9cc86238e165017a493d1d5c8eac6bdc4cc273"
 
-[[package]]
-name = "memoffset"
-version = "0.9.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "488016bfae457b036d996092f6cb448677611ce4449e970ceaf42695203f218a"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "mime"
 version = "0.3.17"
@@ -806,19 +791,6 @@ version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1d87ecb2933e8aeadb3e3a02b828fed80a7528047e68b4f424523a0981a3a084"
 
-[[package]]
-name = "nix"
-version = "0.30.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74523f3a35e05aba87a1d978330aef40f67b0304ac79c1c00b294c9830543db6"
-dependencies = [
- "bitflags",
- "cfg-if",
- "cfg_aliases",
- "libc",
- "memoffset",
-]
-
 [[package]]
 name = "num-traits"
 version = "0.2.19"
@@ -1063,7 +1035,7 @@ checksum = "7a2d987857b319362043e95f5353c0535c1f58eec5336fdfcf626430af7def58"
 [[package]]
 name = "reticulum"
 version = "0.1.0"
-source = "git+http://github.com/SebKuzminsky/Reticulum-rs?branch=multicast#4db323aebd2cb4d11c24f7270b5cfd46a7b483d6"
+source = "git+https://github.com/BeechatNetworkSystemsLtd/Reticulum-rs.git#5012cf2c48044034775207ab7ee2c67d285276bb"
 dependencies = [
  "aes",
  "cbc",
@@ -1073,7 +1045,6 @@ dependencies = [
  "hkdf",
  "hmac",
  "log",
- "nix",
  "prost",
  "rand_core",
  "rmp",
diff --git a/Cargo.toml b/Cargo.toml
index 017c27b..96bcd29 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,11 +15,8 @@ tokio-util = "0.7.15"
 # Logging
 log = "0.4.27"
 env_logger = "0.10"
-
-reticulum = { git="http://github.com/SebKuzminsky/Reticulum-rs", branch="multicast" }
-#reticulum = { path = "../Reticulum-rs" }
-#reticulum = { version="0.1.0" }
-
+reticulum = { git = "https://github.com/BeechatNetworkSystemsLtd/Reticulum-rs.git" }
+# reticulum = "0.1.0"
 clap = { version = "4.5.53", features = ["derive"] }
 serde = { version = "1.0.228", features = ["derive"] }
 bincode = { version = "2.0.1", features = ["serde"] }
diff --git a/src/main.rs b/src/main.rs
index 2351819..5f3b12c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,6 @@
+use rand_core::OsRng;
+use reticulum::destination::DestinationName;
+use reticulum::identity::PrivateIdentity;
 use tokio::fs;
 
 use clap::Parser;
@@ -8,6 +11,7 @@ use reticulum::iface::tcp_client::TcpClient;
 use reticulum::iface::tcp_server::TcpServer;
 use reticulum::iface::udp::UdpInterface;
 use reticulum::transport::{Transport, TransportConfig};
+use tokio::time::{Duration, interval};
 
 #[derive(Serialize, Deserialize, Debug, Clone)]
 struct TcpServerConfig {
@@ -35,6 +39,8 @@ enum InterfaceConfig {
 #[derive(Serialize, Deserialize, Debug, Clone)]
 struct Config {
     interfaces: Vec<InterfaceConfig>,
+    broadcast: bool,
+    retransmit: bool,
 }
 
 #[derive(Parser)]
@@ -45,7 +51,7 @@ struct Cli {
 
 #[tokio::main]
 async fn main() {
-    env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("trace")).init();
+    env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("info")).init();
 
     log::info!(">>> TRANSPORT NODE <<<");
 
@@ -57,10 +63,18 @@ async fn main() {
     println!("{config:?}");
 
     let mut transport_config = TransportConfig::default();
-    transport_config.set_retransmit(false);
-    transport_config.set_broadcast(true);
+    transport_config.set_retransmit(config.retransmit);
+    transport_config.set_broadcast(config.broadcast);
     // set up the reticulum transport
-    let transport = Transport::new(transport_config);
+    let mut transport = Transport::new(transport_config);
+
+    // set up destination
+    let id = PrivateIdentity::new_from_rand(OsRng);
+
+    let hb_destination = transport
+        .add_destination(id, DestinationName::new("transport node", "heartbeat"))
+        .await;
+    log::info!("dest ID: {}", hb_destination.lock().await.desc.address_hash);
 
     // set up interfaces
     for iface_config in config.interfaces {
@@ -87,8 +101,19 @@ async fn main() {
         }
     }
 
-    // run until exit
-    let _ = tokio::signal::ctrl_c().await;
+    let mut heartbeat_interval = interval(Duration::from_secs(5));
 
-    log::info!("exit");
+    loop {
+        tokio::select! {
+            _ = tokio::signal::ctrl_c() => {
+                break;
+            }
+            _ = heartbeat_interval.tick() => {
+                log::trace!("send heartbeat");
+                transport.send_announce(&hb_destination, None).await;
+            }
+        }
+    }
+
+    log::info!("exit!");
 }
diff --git a/udp-other.toml b/udp-other.toml
deleted file mode 100644
index e3f5d11..0000000
--- a/udp-other.toml
+++ /dev/null
@@ -1,5 +0,0 @@
-[[interfaces]]
-TcpServer = { bind_addr="0.0.0.0:4243" }
-
-[[interfaces]]
-Udp = { bind_addr="0.0.0.0:4242", forward_addr="239.0.0.69:4242" }
diff --git a/udp.toml b/udp.toml
deleted file mode 100644
index 057b01c..0000000
--- a/udp.toml
+++ /dev/null
@@ -1,5 +0,0 @@
-[[interfaces]]
-TcpServer = { bind_addr="0.0.0.0:4242" }
-
-[[interfaces]]
-Udp = { bind_addr="0.0.0.0:4242", forward_addr="239.0.0.69:4242" }