diff --git a/include/ovn/actions.h b/include/ovn/actions.h
index 88cf4de79..a9af1e38e 100644
--- a/include/ovn/actions.h
+++ b/include/ovn/actions.h
@@ -338,6 +338,7 @@ struct ovnact_select {
     struct ovnact_select_dst *dsts;
     size_t n_dsts;
     uint8_t ltable;             /* Logical table ID of next table. */
+    char *hash_fields;
     struct expr_field res_field;
 };
 
diff --git a/lib/actions.c b/lib/actions.c
index 37676ef81..ac5d1dbd5 100644
--- a/lib/actions.c
+++ b/lib/actions.c
@@ -1534,11 +1534,19 @@ parse_select_action(struct action_context *ctx, struct expr_field *res_field)
     struct ovnact_select_dst *dsts = NULL;
     size_t allocated_dsts = 0;
     size_t n_dsts = 0;
+    bool requires_hash_fields = false;
+    char *hash_fields = NULL;
 
     lexer_get(ctx->lexer); /* Skip "select". */
     lexer_get(ctx->lexer); /* Skip '('. */
 
-    while (!lexer_match(ctx->lexer, LEX_T_RPAREN)) {
+    if (lexer_match_id(ctx->lexer, "values")) {
+        lexer_force_match(ctx->lexer, LEX_T_EQUALS);
+        requires_hash_fields = true;
+    }
+
+    while (!lexer_match(ctx->lexer, LEX_T_SEMICOLON) &&
+           !lexer_match(ctx->lexer, LEX_T_RPAREN)) {
         struct ovnact_select_dst dst;
         if (!action_parse_uint16(ctx, &dst.id, "id")) {
             free(dsts);
@@ -1574,11 +1582,39 @@ parse_select_action(struct action_context *ctx, struct expr_field *res_field)
         return;
     }
 
+    if (requires_hash_fields) {
+        if (!lexer_match_id(ctx->lexer, "hash_fields")) {
+            lexer_syntax_error(ctx->lexer, "expecting hash_fields");
+            free(dsts);
+            return;
+        }
+        if (!lexer_match(ctx->lexer, LEX_T_EQUALS) ||
+            ctx->lexer->token.type != LEX_T_STRING ||
+            lexer_lookahead(ctx->lexer) != LEX_T_RPAREN) {
+            lexer_syntax_error(ctx->lexer, "invalid hash_fields");
+            free(dsts);
+            return;
+        }
+
+        hash_fields = xstrdup(ctx->lexer->token.s);
+        lexer_get(ctx->lexer);
+        if (!lexer_match(ctx->lexer, LEX_T_SEMICOLON)) {
+            lexer_get(ctx->lexer);
+        }
+    } else {
+        if (lexer_match_id(ctx->lexer, "hash_fields")) {
+            lexer_syntax_error(ctx->lexer, "hash_fields unexpected");
+            free(dsts);
+            return;
+        }
+    }
+
     struct ovnact_select *select = ovnact_put_SELECT(ctx->ovnacts);
     select->ltable = ctx->pp->cur_ltable + 1;
     select->dsts = dsts;
     select->n_dsts = n_dsts;
     select->res_field = *res_field;
+    select->hash_fields = hash_fields;
 }
 
 static void
@@ -1588,6 +1624,9 @@ format_SELECT(const struct ovnact_select *select, struct ds *s)
     ds_put_cstr(s, " = ");
     ds_put_cstr(s, "select");
     ds_put_char(s, '(');
+    if (select->hash_fields) {
+        ds_put_format(s, "values=");
+    }
     for (size_t i = 0; i < select->n_dsts; i++) {
         if (i) {
             ds_put_cstr(s, ", ");
@@ -1598,6 +1637,10 @@ format_SELECT(const struct ovnact_select *select, struct ds *s)
         ds_put_format(s, "=%"PRIu16, dst->weight);
     }
     ds_put_char(s, ')');
+    if (select->hash_fields) {
+      ds_chomp(s, ')');
+      ds_put_format(s, "; hash_fields=\"%s\")", select->hash_fields);
+    }
     ds_put_char(s, ';');
 }
 
@@ -1612,9 +1655,14 @@ encode_SELECT(const struct ovnact_select *select,
     struct ofpact_group *og;
 
     struct ds ds = DS_EMPTY_INITIALIZER;
-    ds_put_format(&ds, "type=select,selection_method=dp_hash");
+    ds_put_format(&ds, "type=select,selection_method=%s",
+                  select->hash_fields ? "hash": "dp_hash");
+    if (select->hash_fields) {
+      ds_put_format(&ds, ",fields(%s)", select->hash_fields);
+    }
 
-    if (ovs_feature_is_supported(OVS_DP_HASH_L4_SYM_SUPPORT)) {
+    if (ovs_feature_is_supported(OVS_DP_HASH_L4_SYM_SUPPORT) &&
+        !select->hash_fields) {
         /* Select dp-hash l4_symmetric by setting the upper 32bits of
          * selection_method_param to value 1 (1 << 32): */
         ds_put_cstr(&ds, ",selection_method_param=0x100000000");
@@ -1647,6 +1695,7 @@ static void
 ovnact_select_free(struct ovnact_select *select)
 {
     free(select->dsts);
+    free(select->hash_fields);
 }
 
 static void
diff --git a/northd/northd.c b/northd/northd.c
index a8a0b6f94..1adc82ba1 100644
--- a/northd/northd.c
+++ b/northd/northd.c
@@ -282,9 +282,9 @@ static bool vxlan_mode;
  * same ip_prefix values:
  *  -  connected route overrides static one;
  *  -  static route overrides src-ip route. */
-#define ROUTE_PRIO_OFFSET_MULTIPLIER 3
-#define ROUTE_PRIO_OFFSET_STATIC 1
-#define ROUTE_PRIO_OFFSET_CONNECTED 2
+#define ROUTE_PRIO_OFFSET_MULTIPLIER 5
+#define ROUTE_PRIO_OFFSET_STATIC 2
+#define ROUTE_PRIO_OFFSET_CONNECTED 4
 
 /* Returns the type of the datapath to which a flow with the given 'stage' may
  * be added. */
@@ -10263,6 +10263,7 @@ struct parsed_route {
     uint32_t route_table_id;
     uint32_t hash;
     const struct nbrec_logical_router_static_route *route;
+    const char *ecmp_selection_fields;
     bool ecmp_symmetric_reply;
     bool is_discard_route;
 };
@@ -10373,6 +10374,12 @@ parsed_routes_add(struct ovn_datapath *od, const struct hmap *lr_ports,
     pr->ecmp_symmetric_reply = smap_get_bool(&route->options,
                                              "ecmp_symmetric_reply", false);
     pr->is_discard_route = is_discard_route;
+    pr->ecmp_selection_fields = NULL;
+    const char *ecmp_selection_fields = smap_get(&route->options,
+                                                 "ecmp_selection_fields");
+    if (ecmp_selection_fields) {
+        pr->ecmp_selection_fields = ecmp_selection_fields;
+    }
     ovs_list_insert(routes, &pr->list_node);
     return pr;
 }
@@ -10402,6 +10409,7 @@ struct ecmp_groups_node {
     const char *origin;
     uint32_t route_table_id;
     uint16_t route_count;
+    char *selection_fields;
     struct ovs_list route_list; /* Contains ecmp_route_list_node */
 };
 
@@ -10418,6 +10426,34 @@ ecmp_groups_add_route(struct ecmp_groups_node *group,
     struct ecmp_route_list_node *er = xmalloc(sizeof *er);
     er->route = route;
     er->id = ++group->route_count;
+
+    if (route->ecmp_selection_fields) {
+        if (group->selection_fields) {
+            struct sset current_field_set;
+            struct sset field_set;
+
+            sset_from_delimited_string(&current_field_set,
+                                       group->selection_fields, ",");
+            sset_from_delimited_string(&field_set,
+                                       route->ecmp_selection_fields, ",");
+
+            const char *field;
+            SSET_FOR_EACH (field, &field_set) {
+                sset_add(&current_field_set, field);
+            }
+
+            group->selection_fields = xasprintf("%s",
+                                                sset_join(&current_field_set,
+                                                          ",", ""));
+
+            sset_destroy(&field_set);
+            sset_destroy(&current_field_set);
+        } else {
+            group->selection_fields = xasprintf("%s",
+                                                route->ecmp_selection_fields);
+        }
+    }
+
     ovs_list_insert(&group->route_list, &er->list_node);
 }
 
@@ -10440,6 +10476,7 @@ ecmp_groups_add(struct hmap *ecmp_groups,
     eg->is_src_route = route->is_src_route;
     eg->origin = smap_get_def(&route->route->options, "origin", "");
     eg->route_table_id = route->route_table_id;
+    eg->selection_fields = NULL;
     ovs_list_init(&eg->route_list);
     ecmp_groups_add_route(eg, route);
 
@@ -10542,7 +10579,8 @@ build_route_prefix_s(const struct in6_addr *prefix, unsigned int plen)
 static void
 build_route_match(const struct ovn_port *op_inport, uint32_t rtb_id,
                   const char *network_s, int plen, bool is_src_route,
-                  bool is_ipv4, struct ds *match, uint16_t *priority, int ofs)
+                  bool is_ipv4, struct ds *match, uint16_t *priority, int ofs,
+                  bool has_protocol_match)
 {
     const char *dir;
     /* The priority here is calculated to implement longest-prefix-match
@@ -10554,6 +10592,10 @@ build_route_match(const struct ovn_port *op_inport, uint32_t rtb_id,
         dir = "dst";
     }
 
+    if (has_protocol_match) {
+        ofs += 1;
+    }
+
     *priority = (plen * ROUTE_PRIO_OFFSET_MULTIPLIER) + ofs;
 
     if (op_inport) {
@@ -10740,7 +10782,7 @@ add_ecmp_symmetric_reply_flows(struct lflow_table *lflows,
 static void
 build_ecmp_route_flow(struct lflow_table *lflows, struct ovn_datapath *od,
                       const struct hmap *lr_ports, struct ecmp_groups_node *eg,
-                      struct lflow_ref *lflow_ref)
+                      struct lflow_ref *lflow_ref, const char *protocol)
 
 {
     bool is_ipv4 = IN6_IS_ADDR_V4MAPPED(&eg->prefix);
@@ -10752,22 +10794,71 @@ build_ecmp_route_flow(struct lflow_table *lflows, struct ovn_datapath *od,
     int ofs = !strcmp(eg->origin, ROUTE_ORIGIN_CONNECTED) ?
         ROUTE_PRIO_OFFSET_CONNECTED: ROUTE_PRIO_OFFSET_STATIC;
     build_route_match(NULL, eg->route_table_id, prefix_s, eg->plen,
-                      eg->is_src_route, is_ipv4, &route_match, &priority, ofs);
+                      eg->is_src_route, is_ipv4, &route_match, &priority, ofs,
+                      protocol != NULL);
     free(prefix_s);
 
-    struct ds actions = DS_EMPTY_INITIALIZER;
-    ds_put_format(&actions, "ip.ttl--; flags.loopback = 1; %s = %"PRIu16
-                  "; %s = select(", REG_ECMP_GROUP_ID, eg->id,
-                  REG_ECMP_MEMBER_ID);
+    if (eg->selection_fields && protocol) {
+        if (!strcmp(protocol, "tcp")) {
+            ds_put_format(&route_match, " && tcp");
+        } else if (!strcmp(protocol, "udp")) {
+            ds_put_format(&route_match, " && udp");
+        }
+    }
 
+    struct ds values = DS_EMPTY_INITIALIZER;
     bool is_first = true;
     LIST_FOR_EACH (er, list_node, &eg->route_list) {
         if (is_first) {
             is_first = false;
         } else {
-            ds_put_cstr(&actions, ", ");
+            ds_put_cstr(&values, ", ");
         }
-        ds_put_format(&actions, "%"PRIu16, er->id);
+        ds_put_format(&values, "%"PRIu16, er->id);
+    }
+
+    struct ds actions = DS_EMPTY_INITIALIZER;
+    if (eg->selection_fields) {
+        struct sset current_field_set;
+        struct sset field_set = SSET_INITIALIZER(&field_set);
+        sset_from_delimited_string(&current_field_set,
+                                   eg->selection_fields, ",");
+
+        const char *field;
+        SSET_FOR_EACH (field, &current_field_set) {
+            if (!strcmp(field, "src_port")) {
+                if (protocol) {
+                    if (!strcmp(protocol, "tcp")) {
+                        sset_add(&field_set, "tcp_src");
+                    } else if (!strcmp(protocol, "udp")) {
+                        sset_add(&field_set, "udp_src");
+                    }
+                }
+            } else if (!strcmp(field, "dst_port")) {
+                if (protocol) {
+                    if (!strcmp(protocol, "tcp")) {
+                        sset_add(&field_set, "tcp_dst");
+                    } else if (!strcmp(protocol, "udp")) {
+                        sset_add(&field_set, "udp_dst");
+                    }
+                }
+            } else {
+                sset_add(&field_set, field);
+            }
+        }
+
+        ds_put_format(&actions, "ip.ttl--; flags.loopback = 1; %s = %"PRIu16
+                      "; %s = select(values=%s", REG_ECMP_GROUP_ID, eg->id,
+                      REG_ECMP_MEMBER_ID, ds_cstr(&values));
+        ds_put_format(&actions, "; hash_fields=\"%s\"",
+                      sset_join(&field_set, ",", ""));
+
+        sset_destroy(&current_field_set);
+        sset_destroy(&field_set);
+    } else {
+        ds_put_format(&actions, "ip.ttl--; flags.loopback = 1; %s = %"PRIu16
+                      "; %s = select(%s", REG_ECMP_GROUP_ID, eg->id,
+                      REG_ECMP_MEMBER_ID, ds_cstr(&values));
     }
 
     ds_put_cstr(&actions, ");");
@@ -10847,7 +10938,7 @@ add_route(struct lflow_table *lflows, struct ovn_datapath *od,
         }
     }
     build_route_match(op_inport, rtb_id, network_s, plen, is_src_route,
-                      is_ipv4, &match, &priority, ofs);
+                      is_ipv4, &match, &priority, ofs, false);
 
     struct ds common_actions = DS_EMPTY_INITIALIZER;
     struct ds actions = DS_EMPTY_INITIALIZER;
@@ -12733,7 +12824,13 @@ build_static_route_flows_for_lrouter(
     HMAP_FOR_EACH (group, hmap_node, &ecmp_groups) {
         /* add a flow in IP_ROUTING, and one flow for each member in
          * IP_ROUTING_ECMP. */
-        build_ecmp_route_flow(lflows, od, lr_ports, group, lflow_ref);
+        build_ecmp_route_flow(lflows, od, lr_ports, group, lflow_ref, NULL);
+        if (group->selection_fields) {
+            build_ecmp_route_flow(lflows, od, lr_ports, group, lflow_ref,
+                                  "tcp");
+            build_ecmp_route_flow(lflows, od, lr_ports, group, lflow_ref,
+                                  "udp");
+        }
     }
     const struct unique_routes_node *ur;
     HMAP_FOR_EACH (ur, hmap_node, &unique_routes) {
diff --git a/ovn-nb.xml b/ovn-nb.xml
index 6376320d3..7576bf7d2 100644
--- a/ovn-nb.xml
+++ b/ovn-nb.xml
@@ -3718,6 +3718,23 @@ or
         </p>
       </column>
 
+      <column name="options" key="ecmp_selection_fields">
+        <p>
+          ECMP routes use OpenFlow groups of type <code>select</code> to
+          pick a nexthop among the list of avaible nexthops.
+          OVS supports two selection methods: <code>dp_hash</code> and
+          <code>hash</code> for hash computatiion and selecting
+          the buckets of a group. Please see the OVS documentation
+          (man ovs-ofctl) for more details on the selection methods.
+        </p>
+
+        <p>
+          OVN by default uses <code>dp_hash</code>. In order to use the
+          <code>hash</code> selection method, specify comma-separated
+          list of selection fields.
+        </p>
+      </column>
+
       <column name="options" key="origin">
         In case ovn-interconnection has been learned this route, it will have
         its origin set: either "connected" or "static".  This key is supposed
diff --git a/tests/ovn-northd.at b/tests/ovn-northd.at
index 199197f09..3d3046a21 100644
--- a/tests/ovn-northd.at
+++ b/tests/ovn-northd.at
@@ -6704,9 +6704,9 @@ ovn-sbctl dump-flows lr0 > lr0flows
 AT_CHECK([grep -w "lr_in_ip_routing" lr0flows | ovn_strip_lflows], [0], [dnl
   table=??(lr_in_ip_routing   ), priority=0    , match=(1), action=(drop;)
   table=??(lr_in_ip_routing   ), priority=10550, match=(nd_rs || nd_ra), action=(drop;)
-  table=??(lr_in_ip_routing   ), priority=194  , match=(inport == "lr0-public" && ip6.dst == fe80::/64), action=(ip.ttl--; reg8[[0..15]] = 0; xxreg0 = ip6.dst; xxreg1 = fe80::200:20ff:fe20:1213; eth.src = 00:00:20:20:12:13; outport = "lr0-public"; flags.loopback = 1; next;)
-  table=??(lr_in_ip_routing   ), priority=74   , match=(ip4.dst == 192.168.0.0/24), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = ip4.dst; reg1 = 192.168.0.1; eth.src = 00:00:20:20:12:13; outport = "lr0-public"; flags.loopback = 1; next;)
-  table=??(lr_in_ip_routing   ), priority=97   , match=(reg7 == 0 && ip4.dst == 1.0.0.1/32), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = 192.168.0.10; reg1 = 192.168.0.1; eth.src = 00:00:20:20:12:13; outport = "lr0-public"; flags.loopback = 1; next;)
+  table=??(lr_in_ip_routing   ), priority=124  , match=(ip4.dst == 192.168.0.0/24), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = ip4.dst; reg1 = 192.168.0.1; eth.src = 00:00:20:20:12:13; outport = "lr0-public"; flags.loopback = 1; next;)
+  table=??(lr_in_ip_routing   ), priority=162  , match=(reg7 == 0 && ip4.dst == 1.0.0.1/32), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = 192.168.0.10; reg1 = 192.168.0.1; eth.src = 00:00:20:20:12:13; outport = "lr0-public"; flags.loopback = 1; next;)
+  table=??(lr_in_ip_routing   ), priority=324  , match=(inport == "lr0-public" && ip6.dst == fe80::/64), action=(ip.ttl--; reg8[[0..15]] = 0; xxreg0 = ip6.dst; xxreg1 = fe80::200:20ff:fe20:1213; eth.src = 00:00:20:20:12:13; outport = "lr0-public"; flags.loopback = 1; next;)
 ])
 
 AT_CHECK([grep -e "lr_in_ip_routing_ecmp" lr0flows | ovn_strip_lflows], [0], [dnl
@@ -6721,9 +6721,9 @@ AT_CHECK([grep -w "lr_in_ip_routing" lr0flows | ovn_strip_lflows], [0], [dnl
   table=??(lr_in_ip_routing   ), priority=0    , match=(1), action=(drop;)
   table=??(lr_in_ip_routing   ), priority=10300, match=(ct_mark.ecmp_reply_port == 1 && reg7 == 0 && ip4.dst == 1.0.0.1/32), action=(ip.ttl--; flags.loopback = 1; eth.src = 00:00:20:20:12:13; reg1 = 192.168.0.1; outport = "lr0-public"; next;)
   table=??(lr_in_ip_routing   ), priority=10550, match=(nd_rs || nd_ra), action=(drop;)
-  table=??(lr_in_ip_routing   ), priority=194  , match=(inport == "lr0-public" && ip6.dst == fe80::/64), action=(ip.ttl--; reg8[[0..15]] = 0; xxreg0 = ip6.dst; xxreg1 = fe80::200:20ff:fe20:1213; eth.src = 00:00:20:20:12:13; outport = "lr0-public"; flags.loopback = 1; next;)
-  table=??(lr_in_ip_routing   ), priority=74   , match=(ip4.dst == 192.168.0.0/24), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = ip4.dst; reg1 = 192.168.0.1; eth.src = 00:00:20:20:12:13; outport = "lr0-public"; flags.loopback = 1; next;)
-  table=??(lr_in_ip_routing   ), priority=97   , match=(reg7 == 0 && ip4.dst == 1.0.0.1/32), action=(ip.ttl--; flags.loopback = 1; reg8[[0..15]] = 1; reg8[[16..31]] = select(1, 2);)
+  table=??(lr_in_ip_routing   ), priority=124  , match=(ip4.dst == 192.168.0.0/24), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = ip4.dst; reg1 = 192.168.0.1; eth.src = 00:00:20:20:12:13; outport = "lr0-public"; flags.loopback = 1; next;)
+  table=??(lr_in_ip_routing   ), priority=162  , match=(reg7 == 0 && ip4.dst == 1.0.0.1/32), action=(ip.ttl--; flags.loopback = 1; reg8[[0..15]] = 1; reg8[[16..31]] = select(1, 2);)
+  table=??(lr_in_ip_routing   ), priority=324  , match=(inport == "lr0-public" && ip6.dst == fe80::/64), action=(ip.ttl--; reg8[[0..15]] = 0; xxreg0 = ip6.dst; xxreg1 = fe80::200:20ff:fe20:1213; eth.src = 00:00:20:20:12:13; outport = "lr0-public"; flags.loopback = 1; next;)
 ])
 AT_CHECK([grep -e "lr_in_ip_routing_ecmp" lr0flows | sed 's/192\.168\.0\..0/192.168.0.??/' | ovn_strip_lflows], [0], [dnl
   table=??(lr_in_ip_routing_ecmp), priority=0    , match=(1), action=(drop;)
@@ -6750,9 +6750,9 @@ AT_CHECK([grep -w "lr_in_ip_routing" lr0flows | ovn_strip_lflows], [0], [dnl
   table=??(lr_in_ip_routing   ), priority=0    , match=(1), action=(drop;)
   table=??(lr_in_ip_routing   ), priority=10300, match=(ct_mark.ecmp_reply_port == 1 && reg7 == 0 && ip4.dst == 1.0.0.1/32), action=(ip.ttl--; flags.loopback = 1; eth.src = 00:00:20:20:12:13; reg1 = 192.168.0.1; outport = "lr0-public"; next;)
   table=??(lr_in_ip_routing   ), priority=10550, match=(nd_rs || nd_ra), action=(drop;)
-  table=??(lr_in_ip_routing   ), priority=194  , match=(inport == "lr0-public" && ip6.dst == fe80::/64), action=(ip.ttl--; reg8[[0..15]] = 0; xxreg0 = ip6.dst; xxreg1 = fe80::200:20ff:fe20:1213; eth.src = 00:00:20:20:12:13; outport = "lr0-public"; flags.loopback = 1; next;)
-  table=??(lr_in_ip_routing   ), priority=74   , match=(ip4.dst == 192.168.0.0/24), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = ip4.dst; reg1 = 192.168.0.1; eth.src = 00:00:20:20:12:13; outport = "lr0-public"; flags.loopback = 1; next;)
-  table=??(lr_in_ip_routing   ), priority=97   , match=(reg7 == 0 && ip4.dst == 1.0.0.1/32), action=(ip.ttl--; flags.loopback = 1; reg8[[0..15]] = 1; reg8[[16..31]] = select(1, 2);)
+  table=??(lr_in_ip_routing   ), priority=124  , match=(ip4.dst == 192.168.0.0/24), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = ip4.dst; reg1 = 192.168.0.1; eth.src = 00:00:20:20:12:13; outport = "lr0-public"; flags.loopback = 1; next;)
+  table=??(lr_in_ip_routing   ), priority=162  , match=(reg7 == 0 && ip4.dst == 1.0.0.1/32), action=(ip.ttl--; flags.loopback = 1; reg8[[0..15]] = 1; reg8[[16..31]] = select(1, 2);)
+  table=??(lr_in_ip_routing   ), priority=324  , match=(inport == "lr0-public" && ip6.dst == fe80::/64), action=(ip.ttl--; reg8[[0..15]] = 0; xxreg0 = ip6.dst; xxreg1 = fe80::200:20ff:fe20:1213; eth.src = 00:00:20:20:12:13; outport = "lr0-public"; flags.loopback = 1; next;)
 ])
 AT_CHECK([grep -e "lr_in_ip_routing_ecmp" lr0flows | sed 's/192\.168\.0\..0/192.168.0.??/' | ovn_strip_lflows], [0], [dnl
   table=??(lr_in_ip_routing_ecmp), priority=0    , match=(1), action=(drop;)
@@ -6768,14 +6768,14 @@ check ovn-nbctl --wait=sb lr-route-add lr0 1.0.0.0/24 192.168.0.10
 ovn-sbctl dump-flows lr0 > lr0flows
 
 AT_CHECK([grep -e "lr_in_ip_routing.*192.168.0.10" lr0flows | ovn_strip_lflows], [0], [dnl
-  table=??(lr_in_ip_routing   ), priority=73   , match=(reg7 == 0 && ip4.dst == 1.0.0.0/24), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = 192.168.0.10; reg1 = 192.168.0.1; eth.src = 00:00:20:20:12:13; outport = "lr0-public"; flags.loopback = 1; next;)
+  table=??(lr_in_ip_routing   ), priority=122  , match=(reg7 == 0 && ip4.dst == 1.0.0.0/24), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = 192.168.0.10; reg1 = 192.168.0.1; eth.src = 00:00:20:20:12:13; outport = "lr0-public"; flags.loopback = 1; next;)
 ])
 
 check ovn-nbctl --wait=sb lr-route-add lr0 2.0.0.0/24 lr0-public
 
 ovn-sbctl dump-flows lr0 > lr0flows
 AT_CHECK([grep -e "lr_in_ip_routing.*2.0.0.0" lr0flows | ovn_strip_lflows], [0], [dnl
-  table=??(lr_in_ip_routing   ), priority=73   , match=(reg7 == 0 && ip4.dst == 2.0.0.0/24), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = ip4.dst; reg1 = 192.168.0.1; eth.src = 00:00:20:20:12:13; outport = "lr0-public"; flags.loopback = 1; next;)
+  table=??(lr_in_ip_routing   ), priority=122  , match=(reg7 == 0 && ip4.dst == 2.0.0.0/24), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = ip4.dst; reg1 = 192.168.0.1; eth.src = 00:00:20:20:12:13; outport = "lr0-public"; flags.loopback = 1; next;)
 ])
 
 AT_CLEANUP
@@ -7199,16 +7199,16 @@ AT_CHECK([grep "lr_in_ip_routing_pre" lr0flows | ovn_strip_lflows], [0], [dnl
 grep -e "(lr_in_ip_routing   ).*outport" lr0flows
 
 AT_CHECK([grep -e "(lr_in_ip_routing   ).*outport" lr0flows | ovn_strip_lflows], [0], [dnl
-  table=??(lr_in_ip_routing   ), priority=1    , match=(reg7 == 0 && ip4.dst == 0.0.0.0/0), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = 192.168.0.10; reg1 = 192.168.0.1; eth.src = 00:00:00:00:00:01; outport = "lrp0"; flags.loopback = 1; next;)
-  table=??(lr_in_ip_routing   ), priority=1    , match=(reg7 == 2 && ip4.dst == 0.0.0.0/0), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = 192.168.0.10; reg1 = 192.168.0.1; eth.src = 00:00:00:00:00:01; outport = "lrp0"; flags.loopback = 1; next;)
-  table=??(lr_in_ip_routing   ), priority=194  , match=(inport == "lrp0" && ip6.dst == fe80::/64), action=(ip.ttl--; reg8[[0..15]] = 0; xxreg0 = ip6.dst; xxreg1 = fe80::200:ff:fe00:1; eth.src = 00:00:00:00:00:01; outport = "lrp0"; flags.loopback = 1; next;)
-  table=??(lr_in_ip_routing   ), priority=194  , match=(inport == "lrp1" && ip6.dst == fe80::/64), action=(ip.ttl--; reg8[[0..15]] = 0; xxreg0 = ip6.dst; xxreg1 = fe80::200:ff:fe00:101; eth.src = 00:00:00:00:01:01; outport = "lrp1"; flags.loopback = 1; next;)
-  table=??(lr_in_ip_routing   ), priority=194  , match=(inport == "lrp2" && ip6.dst == fe80::/64), action=(ip.ttl--; reg8[[0..15]] = 0; xxreg0 = ip6.dst; xxreg1 = fe80::200:ff:fe00:201; eth.src = 00:00:00:00:02:01; outport = "lrp2"; flags.loopback = 1; next;)
-  table=??(lr_in_ip_routing   ), priority=73   , match=(reg7 == 1 && ip4.dst == 192.168.0.0/24), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = 192.168.1.10; reg1 = 192.168.1.1; eth.src = 00:00:00:00:01:01; outport = "lrp1"; flags.loopback = 1; next;)
-  table=??(lr_in_ip_routing   ), priority=74   , match=(ip4.dst == 192.168.0.0/24), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = ip4.dst; reg1 = 192.168.0.1; eth.src = 00:00:00:00:00:01; outport = "lrp0"; flags.loopback = 1; next;)
-  table=??(lr_in_ip_routing   ), priority=74   , match=(ip4.dst == 192.168.1.0/24), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = ip4.dst; reg1 = 192.168.1.1; eth.src = 00:00:00:00:01:01; outport = "lrp1"; flags.loopback = 1; next;)
-  table=??(lr_in_ip_routing   ), priority=74   , match=(ip4.dst == 192.168.2.0/24), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = ip4.dst; reg1 = 192.168.2.1; eth.src = 00:00:00:00:02:01; outport = "lrp2"; flags.loopback = 1; next;)
-  table=??(lr_in_ip_routing   ), priority=97   , match=(reg7 == 2 && ip4.dst == 1.1.1.1/32), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = 192.168.0.20; reg1 = 192.168.0.1; eth.src = 00:00:00:00:00:01; outport = "lrp0"; flags.loopback = 1; next;)
+  table=??(lr_in_ip_routing   ), priority=122  , match=(reg7 == 1 && ip4.dst == 192.168.0.0/24), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = 192.168.1.10; reg1 = 192.168.1.1; eth.src = 00:00:00:00:01:01; outport = "lrp1"; flags.loopback = 1; next;)
+  table=??(lr_in_ip_routing   ), priority=124  , match=(ip4.dst == 192.168.0.0/24), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = ip4.dst; reg1 = 192.168.0.1; eth.src = 00:00:00:00:00:01; outport = "lrp0"; flags.loopback = 1; next;)
+  table=??(lr_in_ip_routing   ), priority=124  , match=(ip4.dst == 192.168.1.0/24), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = ip4.dst; reg1 = 192.168.1.1; eth.src = 00:00:00:00:01:01; outport = "lrp1"; flags.loopback = 1; next;)
+  table=??(lr_in_ip_routing   ), priority=124  , match=(ip4.dst == 192.168.2.0/24), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = ip4.dst; reg1 = 192.168.2.1; eth.src = 00:00:00:00:02:01; outport = "lrp2"; flags.loopback = 1; next;)
+  table=??(lr_in_ip_routing   ), priority=162  , match=(reg7 == 2 && ip4.dst == 1.1.1.1/32), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = 192.168.0.20; reg1 = 192.168.0.1; eth.src = 00:00:00:00:00:01; outport = "lrp0"; flags.loopback = 1; next;)
+  table=??(lr_in_ip_routing   ), priority=2    , match=(reg7 == 0 && ip4.dst == 0.0.0.0/0), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = 192.168.0.10; reg1 = 192.168.0.1; eth.src = 00:00:00:00:00:01; outport = "lrp0"; flags.loopback = 1; next;)
+  table=??(lr_in_ip_routing   ), priority=2    , match=(reg7 == 2 && ip4.dst == 0.0.0.0/0), action=(ip.ttl--; reg8[[0..15]] = 0; reg0 = 192.168.0.10; reg1 = 192.168.0.1; eth.src = 00:00:00:00:00:01; outport = "lrp0"; flags.loopback = 1; next;)
+  table=??(lr_in_ip_routing   ), priority=324  , match=(inport == "lrp0" && ip6.dst == fe80::/64), action=(ip.ttl--; reg8[[0..15]] = 0; xxreg0 = ip6.dst; xxreg1 = fe80::200:ff:fe00:1; eth.src = 00:00:00:00:00:01; outport = "lrp0"; flags.loopback = 1; next;)
+  table=??(lr_in_ip_routing   ), priority=324  , match=(inport == "lrp1" && ip6.dst == fe80::/64), action=(ip.ttl--; reg8[[0..15]] = 0; xxreg0 = ip6.dst; xxreg1 = fe80::200:ff:fe00:101; eth.src = 00:00:00:00:01:01; outport = "lrp1"; flags.loopback = 1; next;)
+  table=??(lr_in_ip_routing   ), priority=324  , match=(inport == "lrp2" && ip6.dst == fe80::/64), action=(ip.ttl--; reg8[[0..15]] = 0; xxreg0 = ip6.dst; xxreg1 = fe80::200:ff:fe00:201; eth.src = 00:00:00:00:02:01; outport = "lrp2"; flags.loopback = 1; next;)
 ])
 
 AT_CLEANUP
diff --git a/tests/ovn.at b/tests/ovn.at
index b31afbfb3..f45ffdfb5 100644
--- a/tests/ovn.at
+++ b/tests/ovn.at
@@ -2086,6 +2086,16 @@ reg0 = select(1, 2);
     encodes as group:20
     uses group: id(20), name(type=select,selection_method=dp_hash,bucket=bucket_id=0,weight:100,actions=load:1->xxreg0[[96..127]],resubmit(,oflow_in_table),bucket=bucket_id=1,weight:100,actions=load:2->xxreg0[[96..127]],resubmit(,oflow_in_table))
 
+reg9[[16..31]] = select(values=1=50, 2=100, 3; hash_fields="ip_src,ip_dst" );
+    formats as reg9[[16..31]] = select(values=1=50, 2=100, 3=100; hash_fields="ip_src,ip_dst");
+    encodes as group:21
+    uses group: id(21), name(type=select,selection_method=hash,fields(ip_src,ip_dst),bucket=bucket_id=0,weight:50,actions=load:1->xreg4[[16..31]],resubmit(,oflow_in_table),bucket=bucket_id=1,weight:100,actions=load:2->xreg4[[16..31]],resubmit(,oflow_in_table),bucket=bucket_id=2,weight:100,actions=load:3->xreg4[[16..31]],resubmit(,oflow_in_table))
+
+reg0 = select(values=1, 2; hash_fields="ip_dst,ip_src");
+    formats as reg0 = select(values=1=100, 2=100; hash_fields="ip_dst,ip_src");
+    encodes as group:22
+    uses group: id(22), name(type=select,selection_method=hash,fields(ip_dst,ip_src),bucket=bucket_id=0,weight:100,actions=load:1->xxreg0[[96..127]],resubmit(,oflow_in_table),bucket=bucket_id=1,weight:100,actions=load:2->xxreg0[[96..127]],resubmit(,oflow_in_table))
+
 reg0 = select(1=, 2);
     Syntax error at `,' expecting weight.
 reg0 = select(1=0, 2);
@@ -2094,6 +2104,14 @@ reg0 = select(1=123456, 2);
     Syntax error at `123456' expecting weight.
 reg0 = select(123);
     Syntax error at `;' expecting at least 2 group members.
+reg0 = select(values=1, 2);
+    Syntax error at `;' expecting hash_fields.
+reg0 = select(values=1, 2; hash_fields);
+    Syntax error at `)' invalid hash_fields.
+reg0 = select(values=1, 2; hash_fields=);
+    Syntax error at `)' invalid hash_fields.
+reg0 = select(1, 2; hash_fields="ip_src");
+    Syntax error at `=' hash_fields unexpected.
 ip.proto = select(1, 2, 3);
     Field ip.proto is not modifiable.
 reg0[[0..14]] = select(1, 2, 3);
@@ -2101,12 +2119,12 @@ reg0[[0..14]] = select(1, 2, 3);
 
 fwd_group(liveness=true, childports="eth0", "lsp1");
     formats as fwd_group(liveness="true", childports="eth0", "lsp1");
-    encodes as group:21
-    uses group: id(21), name(type=select,selection_method=dp_hash,bucket=watch_port:5,load=0x5->NXM_NX_REG15[[0..15]],resubmit(,OFTABLE_SAVE_INPORT),bucket=watch_port:17,load=0x17->NXM_NX_REG15[[0..15]],resubmit(,OFTABLE_SAVE_INPORT))
+    encodes as group:23
+    uses group: id(23), name(type=select,selection_method=dp_hash,bucket=watch_port:5,load=0x5->NXM_NX_REG15[[0..15]],resubmit(,OFTABLE_SAVE_INPORT),bucket=watch_port:17,load=0x17->NXM_NX_REG15[[0..15]],resubmit(,OFTABLE_SAVE_INPORT))
 
 fwd_group(childports="eth0", "lsp1");
-    encodes as group:22
-    uses group: id(22), name(type=select,selection_method=dp_hash,bucket=load=0x5->NXM_NX_REG15[[0..15]],resubmit(,OFTABLE_SAVE_INPORT),bucket=load=0x17->NXM_NX_REG15[[0..15]],resubmit(,OFTABLE_SAVE_INPORT))
+    encodes as group:24
+    uses group: id(24), name(type=select,selection_method=dp_hash,bucket=load=0x5->NXM_NX_REG15[[0..15]],resubmit(,OFTABLE_SAVE_INPORT),bucket=load=0x17->NXM_NX_REG15[[0..15]],resubmit(,OFTABLE_SAVE_INPORT))
 
 fwd_group(childports=eth0);
     Syntax error at `eth0' expecting logical switch port.
@@ -2115,8 +2133,8 @@ fwd_group();
     Syntax error at `)' expecting `;'.
 
 fwd_group(childports="eth0", "lsp1");
-    encodes as group:22
-    uses group: id(22), name(type=select,selection_method=dp_hash,bucket=load=0x5->NXM_NX_REG15[[0..15]],resubmit(,OFTABLE_SAVE_INPORT),bucket=load=0x17->NXM_NX_REG15[[0..15]],resubmit(,OFTABLE_SAVE_INPORT))
+    encodes as group:24
+    uses group: id(24), name(type=select,selection_method=dp_hash,bucket=load=0x5->NXM_NX_REG15[[0..15]],resubmit(,OFTABLE_SAVE_INPORT),bucket=load=0x17->NXM_NX_REG15[[0..15]],resubmit(,OFTABLE_SAVE_INPORT))
 
 fwd_group(liveness=xyzzy, childports="eth0", "lsp1");
     Syntax error at `xyzzy' expecting true or false.
@@ -26531,6 +26549,218 @@ OVN_CLEANUP([hv1])
 AT_CLEANUP
 ])
 
+OVN_FOR_EACH_NORTHD([
+AT_SETUP([ECMP static routes - custom hash])
+ovn_start
+
+# Logical network:
+# ls1 (192.168.1.0/24) - lr1 - ls2 (192.168.2.0/24)
+# lsl has lsp11 (192.168.1.11) and ls2 has lsp21 (192.168.2.21) and lsp22
+# (192.168.2.22)
+#
+# Static routes on lr1:
+# 10.0.0.0/24 nexthop 192.168.2.21
+# 10.0.0.0/24 nexthop 192.168.2.22
+#
+# ECMP hash on ip_proto,src_ip,dst_ip,dst_port
+#
+# Test:
+# lsp11 send packets to 10.0.0.100 with different source ports
+#
+# Expected result:
+# All packets should go out of a either lsp21 or lsp22
+
+ovn-nbctl lr-add lr1
+
+ovn-nbctl ls-add ls1
+ovn-nbctl ls-add ls2
+
+for i in 1 2; do
+    ovn-nbctl lrp-add lr1 lrp-lr1-ls${i} 00:00:00:01:0${i}:01 192.168.${i}.1/24
+    ovn-nbctl lsp-add ls${i} lsp-ls${i}-lr1 -- lsp-set-type lsp-ls${i}-lr1 router \
+        -- lsp-set-options lsp-ls${i}-lr1 router-port=lrp-lr1-ls${i} \
+        -- lsp-set-addresses lsp-ls${i}-lr1 router
+done
+
+#install static routes
+ovn-nbctl --ecmp-selection-fields="ip_proto,ip_src" lr-route-add lr1 10.0.0.0/24 192.168.2.21
+ovn-nbctl --ecmp --ecmp-selection-fields="ip_proto,ip_src,ip_dst,dst_port" lr-route-add lr1 10.0.0.0/24 192.168.2.22
+
+# Create logical ports
+ovn-nbctl lsp-add ls1 lsp11 -- \
+    lsp-set-addresses lsp11 "f0:00:00:00:01:11 192.168.1.11"
+ovn-nbctl lsp-add ls2 lsp21 -- \
+    lsp-set-addresses lsp21 "f0:00:00:00:02:21 192.168.2.21"
+ovn-nbctl lsp-add ls2 lsp22 -- \
+    lsp-set-addresses lsp22 "f0:00:00:00:02:22 192.168.2.22"
+
+net_add n1
+sim_add hv1
+as hv1
+ovs-vsctl add-br br-phys
+ovn_attach n1 br-phys 192.168.0.1
+
+sim_add hv2
+as hv2
+ovs-vsctl add-br br-phys
+ovn_attach n1 br-phys 192.168.0.2
+
+as hv1
+ovs-vsctl -- add-port br-int hv1-vif1 -- \
+    set interface hv1-vif1 external-ids:iface-id=lsp11 \
+    options:tx_pcap=hv1/vif1-tx.pcap \
+    options:rxq_pcap=hv1/vif1-rx.pcap \
+    ofport-request=1
+
+ovs-vsctl -- add-port br-int hv1-vif2 -- \
+    set interface hv1-vif2 external-ids:iface-id=lsp21 \
+    options:tx_pcap=hv1/vif2-tx.pcap \
+    options:rxq_pcap=hv1/vif2-rx.pcap \
+    ofport-request=2
+
+ovs-vsctl -- add-port br-int hv1-vif3 -- \
+    set interface hv1-vif3 external-ids:iface-id=lsp22 \
+    options:tx_pcap=hv1/vif3-tx.pcap \
+    options:rxq_pcap=hv1/vif3-rx.pcap \
+    ofport-request=3
+
+# wait for earlier changes to take effect
+check ovn-nbctl --wait=hv sync
+wait_for_ports_up
+
+ovn-sbctl dump-flows > sbflows
+AT_CAPTURE_FILE([sbflows])
+
+AT_CAPTURE_FILE([ofgroups])
+OVS_WAIT_FOR_OUTPUT([as hv1 ovs-ofctl dump-groups br-int > ofgroups
+    grep "selection_method=hash,fields" ofgroups | \
+    grep "nw_proto" | grep "ip_src" | grep "ip_dst" | wc -l], [0], [3
+])
+
+as hv1 ovs-ofctl dump-groups br-int > ofgroups
+AT_CHECK([grep "nw_proto" ofgroups | grep "ip_src" | grep "ip_dst" | grep "tcp_dst" | wc -l], [0], [1
+])
+AT_CHECK([grep "nw_proto" ofgroups | grep "ip_src" | grep "ip_dst" | grep "udp_dst" | wc -l], [0], [1
+])
+
+as hv1 ovs-ofctl dump-flows br-int > oflows
+AT_CAPTURE_FILE([oflows])
+
+for i in $(seq 5001 5010); do
+    packet="inport==\"lsp11\" && eth.src==f0:00:00:00:01:11 && eth.dst==00:00:00:01:01:01 &&
+            ip4 && ip.ttl==64 && ip4.src==192.168.1.11 && ip4.dst==10.0.0.100 &&
+            tcp && tcp.src==$i && tcp.dst==80"
+    OVS_WAIT_UNTIL([as hv1 ovs-appctl -t ovn-controller inject-pkt "$packet"])
+
+    for j in 1 2; do
+        # Assume all packets go to lsp2${j}.
+        exp_packet="eth.src==00:00:00:01:02:01 && eth.dst==f0:00:00:00:02:2${j} &&
+                ip4 && ip.ttl==63 && ip4.src==192.168.1.11 && ip4.dst==10.0.0.100 &&
+                tcp && tcp.src==$i && tcp.dst==80"
+        echo $exp_packet | ovstest test-ovn expr-to-packets >> expected_lsp2${j}
+    done
+done
+
+# All packets should go out of a single port given the hashing is based on ip_proto,ip_src,ip_dst,dst_port which is fixed
+OVS_WAIT_UNTIL([
+    hv1_rcv_n1=`$PYTHON "$ovs_srcdir/utilities/ovs-pcap.in" hv1/vif2-tx.pcap > lsp21.packets && cat lsp21.packets | wc -l`
+    hv1_rcv_n2=`$PYTHON "$ovs_srcdir/utilities/ovs-pcap.in" hv1/vif3-tx.pcap > lsp22.packets && cat lsp22.packets | wc -l`
+    echo $hv1_rcv_n1 $hv1_rcv_n2
+    test $(($hv1_rcv_n1 + $hv1_rcv_n2)) -ge 10])
+
+if test $hv1_rcv_n1 = 0; then
+    AT_CHECK([test $hv1_rcv_n2 -ge 10], [0], [])
+else
+    AT_CHECK([test $hv1_rcv_n1 -ge 10], [0], [])
+fi
+
+# Move all VIFs to hv2 and send the same packets again
+as hv1
+ovs-vsctl del-port hv1-vif1
+ovs-vsctl del-port hv1-vif2
+ovs-vsctl del-port hv1-vif3
+
+wait_column "" Port_Binding chassis logical_port=lsp11
+wait_column "" Port_Binding chassis logical_port=lsp21
+wait_column "" Port_Binding chassis logical_port=lsp22
+
+as hv2
+ovs-vsctl -- add-port br-int hv2-vif1 -- \
+    set interface hv2-vif1 external-ids:iface-id=lsp11 \
+    options:tx_pcap=hv2/vif1-tx.pcap \
+    options:rxq_pcap=hv2/vif1-rx.pcap \
+    ofport-request=1
+
+ovs-vsctl -- add-port br-int hv2-vif2 -- \
+    set interface hv2-vif2 external-ids:iface-id=lsp21 \
+    options:tx_pcap=hv2/vif2-tx.pcap \
+    options:rxq_pcap=hv2/vif2-rx.pcap \
+    ofport-request=2
+
+ovs-vsctl -- add-port br-int hv2-vif3 -- \
+    set interface hv2-vif3 external-ids:iface-id=lsp22 \
+    options:tx_pcap=hv2/vif3-tx.pcap \
+    options:rxq_pcap=hv2/vif3-rx.pcap \
+    ofport-request=3
+
+# wait for earlier changes to take effect
+check ovn-nbctl --wait=hv sync
+wait_for_ports_up
+
+AT_CAPTURE_FILE([ofgroups])
+OVS_WAIT_FOR_OUTPUT([as hv2 ovs-ofctl dump-groups br-int > ofgroups
+    grep "selection_method=hash,fields" ofgroups | \
+    grep "nw_proto" | grep "ip_src" | grep "ip_dst" | wc -l], [0], [3
+])
+
+as hv2 ovs-ofctl dump-groups br-int > ofgroups
+AT_CHECK([grep "nw_proto" ofgroups | grep "ip_src" | grep "ip_dst" | grep "tcp_dst" | wc -l], [0], [1
+])
+AT_CHECK([grep "nw_proto" ofgroups | grep "ip_src" | grep "ip_dst" | grep "udp_dst" | wc -l], [0], [1
+])
+
+as hv2 ovs-ofctl dump-flows br-int > oflows
+AT_CAPTURE_FILE([oflows])
+
+for i in $(seq 5001 5010); do
+    packet="inport==\"lsp11\" && eth.src==f0:00:00:00:01:11 && eth.dst==00:00:00:01:01:01 &&
+            ip4 && ip.ttl==64 && ip4.src==192.168.1.11 && ip4.dst==10.0.0.100 &&
+            tcp && tcp.src==$i && tcp.dst==80"
+    OVS_WAIT_UNTIL([as hv2 ovs-appctl -t ovn-controller inject-pkt "$packet"])
+
+    for j in 1 2; do
+        # Assume all packets go to lsp2${j}.
+        exp_packet="eth.src==00:00:00:01:02:01 && eth.dst==f0:00:00:00:02:2${j} &&
+                ip4 && ip.ttl==63 && ip4.src==192.168.1.11 && ip4.dst==10.0.0.100 &&
+                tcp && tcp.src==$i && tcp.dst==80"
+        echo $exp_packet | ovstest test-ovn expr-to-packets >> expected_lsp2${j}
+    done
+done
+
+# All packets should go out of a single port given the hashing is based on ip_proto,ip_src,ip_dst,dst_port which is fixed
+OVS_WAIT_UNTIL([
+    hv2_rcv_n1=`$PYTHON "$ovs_srcdir/utilities/ovs-pcap.in" hv2/vif2-tx.pcap > lsp21.packets && cat lsp21.packets | wc -l`
+    hv2_rcv_n2=`$PYTHON "$ovs_srcdir/utilities/ovs-pcap.in" hv2/vif3-tx.pcap > lsp22.packets && cat lsp22.packets | wc -l`
+    echo $hv2_rcv_n1 $hv2_rcv_n2
+    test $(($hv2_rcv_n1 + $hv2_rcv_n2)) -ge 10])
+
+if test $hv2_rcv_n1 = 0; then
+    AT_CHECK([test $hv2_rcv_n2 -ge 10], [0], [])
+else
+    AT_CHECK([test $hv2_rcv_n1 -ge 10], [0], [])
+fi
+
+# All packets should of the same port on both hosts
+if test $hv1_rcv_n1 = 0; then
+    AT_CHECK([test $hv2_rcv_n1 -eq 0], [0], [])
+else
+    AT_CHECK([test $hv2_rcv_n2 -eq 0], [0], [])
+fi
+
+OVN_CLEANUP([hv1], [hv2])
+
+AT_CLEANUP
+])
 
 OVN_FOR_EACH_NORTHD([
 AT_SETUP([route tables -- <main> route table routes])
diff --git a/utilities/ovn-nbctl.c b/utilities/ovn-nbctl.c
index 679d3f2d9..70e8fb239 100644
--- a/utilities/ovn-nbctl.c
+++ b/utilities/ovn-nbctl.c
@@ -4720,11 +4720,18 @@ nbctl_lr_route_add(struct ctl_context *ctx)
         nbrec_logical_router_static_route_set_route_table(route, route_table);
     }
 
-    if (ecmp_symmetric_reply) {
-        const struct smap options = SMAP_CONST1(&options,
-                                                "ecmp_symmetric_reply",
-                                                "true");
+    const char *ecmp_selection_fields = shash_find_data(&ctx->options,
+                                            "--ecmp-selection-fields");
+    if (ecmp_symmetric_reply || ecmp_selection_fields) {
+        struct smap options = SMAP_INITIALIZER(&options);
+        if (ecmp_symmetric_reply) {
+            smap_add(&options, "ecmp_symmetric_reply", "true");
+        }
+        if (ecmp_selection_fields) {
+            smap_add(&options, "ecmp_selection_fields", ecmp_selection_fields);
+        }
         nbrec_logical_router_static_route_set_options(route, &options);
+        smap_destroy(&options);
     }
 
     nbrec_logical_router_update_static_routes_addvalue(lr, route);
@@ -8057,7 +8064,7 @@ static const struct ctl_command_syntax nbctl_commands[] = {
     { "lr-route-add", 3, 4, "ROUTER PREFIX NEXTHOP [PORT]",
       nbctl_pre_lr_route_add, nbctl_lr_route_add, NULL,
       "--may-exist,--ecmp,--ecmp-symmetric-reply,--policy=,"
-      "--route-table=,--bfd?", RW },
+      "--route-table=,--bfd?,--ecmp-selection-fields=", RW },
     { "lr-route-del", 1, 4, "ROUTER [PREFIX [NEXTHOP [PORT]]]",
       nbctl_pre_lr_route_del, nbctl_lr_route_del, NULL,
       "--if-exists,--policy=,--route-table=", RW },
