diff --git a/firmware-root/etc/sysctl.conf b/firmware-root/etc/sysctl.conf
index dbeedba0..4114996a 100644
--- a/firmware-root/etc/sysctl.conf
+++ b/firmware-root/etc/sysctl.conf
@@ -1,3 +1,6 @@
 # Defaults are configured in /etc/sysctl.d/* and can be customized in this file
 net.netfilter.nf_conntrack_max=65536
 fs.file-max=65536
+net.ipv6.neigh.default.gc_thresh3 = 4096
+net.ipv6.neigh.default.gc_thresh2 = 2048
+net.ipv6.neigh.default.gc_thresh1 = 1024