diff --git a/rs/src/management/http_client.rs b/rs/src/management/http_client.rs
index 216432b3..942150c7 100644
--- a/rs/src/management/http_client.rs
+++ b/rs/src/management/http_client.rs
@@ -187,6 +187,7 @@ impl TunnelManagementClient {
                 ENDPOINTS_API_SUB_PATH, endpoint.base.id
             )),
         );
+        options.connection_mode = endpoint.base.connection_mode;
         let mut request = self.make_tunnel_request(Method::PUT, url, options).await?;
         json_body(&mut request, endpoint);
         self.execute_json("update_tunnel_relay_endpoints", request)
@@ -651,6 +652,10 @@ fn add_query(url: &mut Url, tunnel_opts: &TunnelRequestOptions, api_version: &st
             url.query_pairs_mut().append_pair("allLabels", "true");
         }
     }
+    if tunnel_opts.connection_mode.is_empty() {
+        url.query_pairs_mut()
+            .append_pair("connectionMode", &tunnel_opts.connection_mode);
+    }
     url.query_pairs_mut()
         .append_pair("api-version", api_version);
     if tunnel_opts.limit > 0 {
diff --git a/rs/src/management/tunnel_request_options.rs b/rs/src/management/tunnel_request_options.rs
index dfc346f0..3d5d3079 100644
--- a/rs/src/management/tunnel_request_options.rs
+++ b/rs/src/management/tunnel_request_options.rs
@@ -1,5 +1,7 @@
 use reqwest::header::{HeaderName, HeaderValue};
 
+use crate::contracts::TunnelConnectionMode;
+
 use super::Authorization;
 
 #[derive(Default, Clone)]
@@ -50,6 +52,9 @@ pub struct TunnelRequestOptions {
 
     /// Limits the number of tunnels returned when searching or listing tunnels.
     pub limit: u32,
+
+    /// Gets or sets the connection mode of the endpoint.
+    pub connection_mode: TunnelConnectionMode,
 }
 
 pub const NO_REQUEST_OPTIONS: &TunnelRequestOptions = &TunnelRequestOptions {