diff --git a/doc/bird.sgml b/doc/bird.sgml
index 05216c4a..5408cb2a 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -1674,6 +1674,15 @@ Common route attributes are:
 	creation/removal. Zero is returned for routes with undefined outgoing
 	interfaces. Read-only.
 
+	<tag><label id="rta-weight"><m/int/ weight</tag>
+	Multipath weight of route next hops. Valid values are 1-256. Reading
+	returns the weight of the first next hop, setting it sets weights of all
+	next hops to the specified value. Therefore, this attribute is not much
+	useful for manipulating individual next hops of an ECMP route, but can
+	be used in BGP multipath setup to set weights of individual routes that
+	are merged to one ECMP route during export to the Kernel protocol
+	(with active <ref id="krt-merge-paths" name="marge paths"> option).
+
 	<tag><label id="rta-igp-metric"><m/int/ igp_metric</tag>
 	The optional attribute that can be used to specify a distance to the
 	network for routes that do not have a native protocol metric attribute
diff --git a/filter/config.Y b/filter/config.Y
index 557a951f..5cd52e40 100644
--- a/filter/config.Y
+++ b/filter/config.Y
@@ -278,7 +278,7 @@ CF_KEYWORDS(FUNCTION, PRINT, PRINTN, UNSET, RETURN,
 	SET, STRING, BGPMASK, BGPPATH, CLIST, ECLIST, LCLIST,
 	IF, THEN, ELSE, CASE,
 	TRUE, FALSE, RT, RO, UNKNOWN, GENERIC,
-	FROM, GW, NET, MASK, PROTO, SOURCE, SCOPE, DEST, IFNAME, IFINDEX,
+	FROM, GW, NET, MASK, PROTO, SOURCE, SCOPE, DEST, IFNAME, IFINDEX, WEIGHT,
 	PREFERENCE,
 	ROA_CHECK, ASN, SRC, DST,
 	IS_V4, IS_V6,
@@ -750,6 +750,7 @@ static_attr:
  | DEST    { $$ = f_new_static_attr(T_ENUM_RTD,   SA_DEST,	0); }
  | IFNAME  { $$ = f_new_static_attr(T_STRING,     SA_IFNAME,	0); }
  | IFINDEX { $$ = f_new_static_attr(T_INT,        SA_IFINDEX,	1); }
+ | WEIGHT  { $$ = f_new_static_attr(T_INT,        SA_WEIGHT,	0); }
  ;
 
 term:
diff --git a/filter/data.h b/filter/data.h
index 4ebce73b..a0ec3819 100644
--- a/filter/data.h
+++ b/filter/data.h
@@ -99,6 +99,7 @@ enum f_sa_code {
   SA_DEST,
   SA_IFNAME,
   SA_IFINDEX,
+  SA_WEIGHT,
 } PACKED;
 
 /* Static attribute definition (members of struct rta) */
diff --git a/filter/f-inst.c b/filter/f-inst.c
index df908e26..58717d55 100644
--- a/filter/f-inst.c
+++ b/filter/f-inst.c
@@ -516,6 +516,7 @@
       case SA_DEST:	RESULT(sa.f_type, i, rta->dest); break;
       case SA_IFNAME:	RESULT(sa.f_type, s, rta->nh.iface ? rta->nh.iface->name : ""); break;
       case SA_IFINDEX:	RESULT(sa.f_type, i, rta->nh.iface ? rta->nh.iface->index : 0); break;
+      case SA_WEIGHT:	RESULT(sa.f_type, i, rta->nh.weight + 1); break;
 
       default:
 	bug("Invalid static attribute access (%u/%u)", sa.f_type, sa.sa_code);
@@ -586,6 +587,20 @@
 	}
 	break;
 
+      case SA_WEIGHT:
+        {
+	  int i = v1.val.i;
+	  if (i < 1 || i > 256)
+	    runtime( "Setting weight value out of bounds" );
+	  if (rta->dest != RTD_UNICAST)
+	    runtime( "Setting weight needs regular nexthop " );
+
+	  /* Set weight on all next hops */
+	  for (struct nexthop *nh = &rta->nh; nh; nh = nh->next)
+	    nh->weight = i - 1;
+        }
+	break;
+
       default:
 	bug("Invalid static attribute access (%u/%u)", sa.f_type, sa.sa_code);
       }