system: Increase IPv4 neighbor table garbage collection thresholds

saltyorg · Jan 18, 2025 · eaa5162 · eaa5162
1 parent 0f6c850
commit eaa5162
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/roles/system/defaults/main.yml b/roles/system/defaults/main.yml
@@ -51,6 +51,9 @@ sysctl_settings:
   vm.dirty_background_ratio: 10
   vm.dirty_ratio: 15
   vm.swappiness: 10
+  net.ipv4.neigh.default.gc_thresh1: 1024
+  net.ipv4.neigh.default.gc_thresh2: 2048
+  net.ipv4.neigh.default.gc_thresh3: 4096
 
 sysctl_remove_settings:
   - fs.file-max