diff --git a/config.yaml b/config.yaml
index 47fe30d..98e218b 100644
--- a/config.yaml
+++ b/config.yaml
@@ -1,39 +1,41 @@
-healthcheck_addr: "127.0.0.1:9000"
+healthcheck_addr: "0.0.0.0:9000"
 
-iperf_addr: "0.0.0.0:5200"
+iperf_addr: "0.0.0.0:5201"
 
 backends:
   - id: "srv-1"
-    ip: "127.0.0.1"
-    port: 8081
-
+    ip: "10.0.1.1:8081"
   - id: "srv-2"
-    ip: "127.0.0.1"
-    port: 8082
+    ip: "10.0.1.2:8082"
+  - id: "srv-3"
+    ip: "10.0.1.3:8083"
+  - id: "srv-4"
+    ip: "10.0.1.4:8084"
 
 clusters:
   main-api:
     - "srv-1"
     - "srv-2"
   priority-api:
-    - "srv-1"
+    - "srv-3"
+    - "srv-4"
 
 rules:
   - clients:
-      - "0.0.0.0/0:8888"
+      - "0.0.0.0/0:80"
     targets:
       - "main-api"
     strategy:
       type: "RoundRobin"
 
   - clients:
-      - "0.0.0.0/0:6767"
-      - "0.0.0.0/0:6969"
-    targets: # no issues with duplicate servers or clusters
-      - "priority-api"
-      - "priority-api"
+      - "10.0.0.0/24:80"
+      - "10.0.0.0/24:8080"
+      - "10.0.1.0/24:8080"
+    targets:
+      - "main-api"
       - "priority-api"
     strategy:
       type: "Adaptive"
       coefficients: [ 1.5, 1.0, 0.5, 0.1 ]
-      alpha: 0.75
\ No newline at end of file
+      alpha: 0.75
diff --git a/src/config/loader.rs b/src/config/loader.rs
index f597d00..f6880ae 100644
--- a/src/config/loader.rs
+++ b/src/config/loader.rs
@@ -36,11 +36,9 @@ pub fn build_lb(
     let mut backends: HashMap<String, Arc<Backend>> = HashMap::new();
 
     for backend_cfg in &config.backends {
-        let ip: IpAddr = backend_cfg
-            .ip
-            .parse()
+        let addr: SocketAddr = backend_cfg.ip.parse()
             .map_err(|_| format!("bad ip: {}", backend_cfg.ip))?;
-        let addr = SocketAddr::new(ip, backend_cfg.port);
+        let ip = addr.ip();
 
         let health = healths
             .entry(ip)
diff --git a/src/config/mod.rs b/src/config/mod.rs
index 4b63927..310358d 100644
--- a/src/config/mod.rs
+++ b/src/config/mod.rs
@@ -44,7 +44,6 @@ pub struct AppConfig {
 pub struct BackendConfig {
     pub id: String,
     pub ip: String,
-    pub port: u16,
 }
 
 #[derive(Debug, Deserialize)]