diff --git a/config.yaml b/config.yaml
index 90465e5b..c89ead3e 100644
--- a/config.yaml
+++ b/config.yaml
@@ -305,6 +305,7 @@ options:
         net.ipv6.neigh.default.gc_thresh2 : 28672,
         net.ipv6.neigh.default.gc_thresh3 : 32768,
         net.nf_conntrack_max : 1000000,
+        net.netfilter.nf_conntrack_buckets : 204800,
         net.netfilter.nf_conntrack_max : 1000000 }
     description: |
       YAML-formatted associative array of sysctl key/value pairs to be set