diff --git a/board/netconf/rootfs/etc/sysctl.d/ipv6.conf b/board/netconf/rootfs/etc/sysctl.d/ipv6.conf
new file mode 100644
index 00000000..5e468315
--- /dev/null
+++ b/board/netconf/rootfs/etc/sysctl.d/ipv6.conf
@@ -0,0 +1,3 @@
+net.ipv6.conf.all.autoconf=0
+net.ipv6.conf.default.autoconf=0
+net.ipv6.conf.default.keep_addr_on_down=1