diff --git a/tools/gate/playbooks/deploy-kubeadm-aio-common/tasks/clean-node.yaml b/tools/gate/playbooks/deploy-kubeadm-aio-common/tasks/clean-node.yaml
index a3190de08..8811e460b 100644
--- a/tools/gate/playbooks/deploy-kubeadm-aio-common/tasks/clean-node.yaml
+++ b/tools/gate/playbooks/deploy-kubeadm-aio-common/tasks/clean-node.yaml
@@ -44,7 +44,7 @@
           PVC_SUPPORT_CEPH=true
           PVC_SUPPORT_NFS=true
           NET_SUPPORT_LINUXBRIDGE=true
-          KUBE_NET_POD_SUBNET=192.168.0.0/16
+          KUBE_NET_POD_SUBNET="{{ kubernetes.cluster.pod_subnet }}"
           KUBE_NET_DNS_DOMAIN=cluster.local
           CONTAINER_RUNTIME=docker
       register: kubeadm_master_deploy
diff --git a/tools/gate/playbooks/deploy-kubeadm-aio-common/tasks/util-kubeadm-aio-run.yaml b/tools/gate/playbooks/deploy-kubeadm-aio-common/tasks/util-kubeadm-aio-run.yaml
index 75098e09c..272c80fdb 100644
--- a/tools/gate/playbooks/deploy-kubeadm-aio-common/tasks/util-kubeadm-aio-run.yaml
+++ b/tools/gate/playbooks/deploy-kubeadm-aio-common/tasks/util-kubeadm-aio-run.yaml
@@ -46,7 +46,7 @@
           PVC_SUPPORT_CEPH=true
           PVC_SUPPORT_NFS=true
           NET_SUPPORT_LINUXBRIDGE=true
-          KUBE_NET_POD_SUBNET=192.168.0.0/16
+          KUBE_NET_POD_SUBNET="{{ kubernetes.cluster.pod_subnet }}"
           KUBE_NET_DNS_DOMAIN=cluster.local
           CONTAINER_RUNTIME=docker
           KUBELET_NODE_LABELS="{{ kubeadm_kubelet_labels }}"
diff --git a/tools/gate/playbooks/vars.yaml b/tools/gate/playbooks/vars.yaml
index f18e69f86..ca2f07e0b 100644
--- a/tools/gate/playbooks/vars.yaml
+++ b/tools/gate/playbooks/vars.yaml
@@ -24,6 +24,7 @@ kubernetes:
     default_device: null
   cluster:
     cni: calico
+    pod_subnet: 192.168.0.0/16
 
 nodes:
   labels: