1 files changed, 2 insertions, 0 deletions
diff --git a/README b/README
index 9119071..3ad17f9 100644
--- a/README
+++ b/README
@@ -116,6 +116,8 @@ ra_lifetime	integer	1800			Value to be placed in Router
 ra_useleasetime	bool	0			Use configured leasetime as
 						limit for the preferred and
 						valid lifetime of a prefix
+ra_mtu		integer 0			MTU to be advertised in
+						RA messages
 ndproxy_routing	bool	1			Learn routes from NDP
 ndproxy_slave	bool	0			NDProxy external slave