Index: icmp6.h
===================================================================
RCS file: /home/dcvs/src/sys/netinet/icmp6.h,v
retrieving revision 1.7
diff -u -u -r1.7 icmp6.h
--- icmp6.h	20 May 2006 02:42:12 -0000	1.7
+++ icmp6.h	11 Aug 2008 08:27:48 -0000
@@ -115,6 +115,7 @@
 #define MLD_LISTENER_REPORT		131	/* multicast listener report */
 #define ICMP6_MEMBERSHIP_REDUCTION	132	/* group membership termination */
 #define MLD_LISTENER_DONE		132	/* multicast listener done */
+#define MLD_LISTENER_REDUCTION MLD_LISTENER_DONE /* Defined in RFC3542 */
 
 #ifndef _KERNEL
 /* the followings are for backward compatibility to old KAME apps. */