diff --git a/releasenotes/notes/kubernetes-add-sysctl-gc_thresh-tunning-438099ff8b0d9ff2.yaml b/releasenotes/notes/kubernetes-add-sysctl-gc_thresh-tunning-438099ff8b0d9ff2.yaml
new file mode 100644
index 0000000..90c0ca9
--- /dev/null
+++ b/releasenotes/notes/kubernetes-add-sysctl-gc_thresh-tunning-438099ff8b0d9ff2.yaml
@@ -0,0 +1,3 @@
+---
+features:
+  - Add sysctl gc_thresh tuning in kubernetes role
diff --git a/roles/kubernetes/defaults/main.yml b/roles/kubernetes/defaults/main.yml
index 2bba2ce..538a6c9 100644
--- a/roles/kubernetes/defaults/main.yml
+++ b/roles/kubernetes/defaults/main.yml
@@ -46,6 +46,12 @@
     value: 1
   - name: net.ipv4.conf.all.rp_filter
     value: 0
+  - name: net.ipv4.neigh.default.gc_thresh1
+    value: 4096
+  - name: net.ipv4.neigh.default.gc_thresh2
+    value: 8192
+  - name: net.ipv4.neigh.default.gc_thresh3
+    value: 16384
 
                                                                    # ]]]
 # .. envvar:: kubernetes_control_plane_group [[[