Index: sys/netinet6/icmp6.c
===================================================================
--- sys/netinet6/icmp6.c
+++ sys/netinet6/icmp6.c
@@ -2305,6 +2305,16 @@
 			goto bad;
 		}
 
+		/*
+		 * If the target is global, then the nh address
+		 * will have its scope id stripped.  Insert the scope
+		 * id from the source interface.
+		 */
+		if (in6_addrscope(&reddst6) == IPV6_ADDR_SCOPE_GLOBAL) {
+			if (in6_setscope(&nh6.nh_addr, m->m_pkthdr.rcvif, NULL))
+				goto freeit;
+		}
+
 		if (IN6_ARE_ADDR_EQUAL(&src6, &nh6.nh_addr) == 0) {
 			nd6log((LOG_ERR,
 			    "ICMP6 redirect rejected; "