diff --git a/roles/sysctl-forwarding/templates/sysctl.d/10-forwarding.conf.j2 b/roles/sysctl-forwarding/templates/sysctl.d/10-forwarding.conf.j2
index 8656e7b019519957a072ed4f9421f0bf4dbe67c7..735c362f0cd127cdb7b10b237eb4ce893b67294b 100644
--- a/roles/sysctl-forwarding/templates/sysctl.d/10-forwarding.conf.j2
+++ b/roles/sysctl-forwarding/templates/sysctl.d/10-forwarding.conf.j2
@@ -7,3 +7,6 @@ net.ipv4.ip_forward=1
 #  Enabling this option disables Stateless Address Autoconfiguration
 #  based on Router Advertisements for this host
 net.ipv6.conf.all.forwarding=1
+
+# Enable more routes for IPv6, default is 4096
+net.ipv6.route.max_size=50000