diff --git a/core/archipelago/src/mesh/reticulum.rs b/core/archipelago/src/mesh/reticulum.rs
index 189e33c5..5f041803 100644
--- a/core/archipelago/src/mesh/reticulum.rs
+++ b/core/archipelago/src/mesh/reticulum.rs
@@ -154,6 +154,12 @@ fn daemon_command(
             }
         }
     }
+    // Archy nodes are RNS transport nodes: they relay traffic and rebroadcast
+    // announces, so archy nodes (and Sideband/NomadNet peers) beyond direct RF
+    // range discover and reach each other through any archy node in between.
+    // Edge-only operation (`enable_transport = no`) left every node an island
+    // limited to its own radio horizon.
+    cmd.arg("--enable-transport");
     if let (Some(ed), Some(x)) = (archy_ed_pubkey_hex, archy_x25519_pubkey_hex) {
         cmd.arg("--archy-ed-pubkey-hex")
             .arg(ed)
diff --git a/reticulum-daemon/reticulum_daemon.py b/reticulum-daemon/reticulum_daemon.py
index 02d38d3f..0b932743 100644
--- a/reticulum-daemon/reticulum_daemon.py
+++ b/reticulum-daemon/reticulum_daemon.py
@@ -82,6 +82,7 @@ def _write_rns_config(
     no_radio: bool,
     tcp_listen: str | None = None,
     tcp_connect: list[str] | None = None,
+    enable_transport: bool = False,
 ) -> None:
     """Materialise an RNS config file. RNode interface for real radios; plain-TCP
     server/client interface(s) for radio-less dev/verification (e.g. Aurora
@@ -136,7 +137,7 @@ def _write_rns_config(
         )
     cfg.write_text(
         "[reticulum]\n"
-        "  enable_transport = no\n"
+        f"  enable_transport = {'yes' if enable_transport else 'no'}\n"
         "  share_instance = no\n"
         "  panic_on_interface_error = no\n\n"
         "[interfaces]\n" + interfaces
@@ -191,6 +192,7 @@ class ReticulumDaemon:
             no_radio=self.args.no_radio,
             tcp_listen=self.args.tcp_listen,
             tcp_connect=self.args.tcp_connect,
+            enable_transport=self.args.enable_transport,
         )
         self.reticulum = RNS.Reticulum(configdir=str(configdir))
         self.identity = load_identity(self.seed)
@@ -641,6 +643,10 @@ def _parse_args(argv):
     p.add_argument("--txpower", type=int, default=17)
     p.add_argument("--spreadingfactor", type=int, default=8)
     p.add_argument("--codingrate", type=int, default=5)
+    p.add_argument("--enable-transport", action="store_true",
+                   help="run as an RNS transport node: relay traffic and rebroadcast "
+                        "announces so nodes beyond direct RF range discover each other "
+                        "through this one")
     p.add_argument("--no-radio", action="store_true", help="bring up with no RNode (selftest)")
     p.add_argument("--check", action="store_true", help="print derived dest hash and exit (no RNS)")
     p.add_argument("--selftest", action="store_true", help="bring up RNS+LXMF with no radio, verify, exit")