diff --git a/controller/pinctrl.c b/controller/pinctrl.c
index 0a7020533b..a9b7a263e6 100644
--- a/controller/pinctrl.c
+++ b/controller/pinctrl.c
@@ -1467,7 +1467,7 @@ static void
 pinctrl_handle_icmp(struct rconn *swconn, const struct flow *ip_flow,
                     struct dp_packet *pkt_in,
                     const struct match *md, struct ofpbuf *userdata,
-                    bool set_icmp_code)
+                    bool set_icmp_code, bool loopback)
 {
     /* This action only works for IP packets, and the switch should only send
      * us IP packets this way, but check here just to be sure. */
@@ -1488,8 +1488,8 @@ pinctrl_handle_icmp(struct rconn *swconn, const struct flow *ip_flow,
     packet.packet_type = htonl(PT_ETH);
 
     struct eth_header *eh = dp_packet_put_zeros(&packet, sizeof *eh);
-    eh->eth_dst = ip_flow->dl_dst;
-    eh->eth_src = ip_flow->dl_src;
+    eh->eth_dst = loopback ? ip_flow->dl_src : ip_flow->dl_dst;
+    eh->eth_src = loopback ? ip_flow->dl_dst : ip_flow->dl_src;
 
     if (get_dl_type(ip_flow) == htons(ETH_TYPE_IP)) {
         struct ip_header *in_ip = dp_packet_l3(pkt_in);
@@ -1511,8 +1511,9 @@ pinctrl_handle_icmp(struct rconn *swconn, const struct flow *ip_flow,
                                sizeof(struct icmp_header));
         nh->ip_proto = IPPROTO_ICMP;
         nh->ip_frag_off = htons(IP_DF);
-        packet_set_ipv4(&packet, ip_flow->nw_src, ip_flow->nw_dst,
-                        ip_flow->nw_tos, 255);
+        ovs_be32 nw_src = loopback ? ip_flow->nw_dst : ip_flow->nw_src;
+        ovs_be32 nw_dst = loopback ? ip_flow->nw_src : ip_flow->nw_dst;
+        packet_set_ipv4(&packet, nw_src, nw_dst, ip_flow->nw_tos, 255);
 
         uint8_t icmp_code =  1;
         if (set_icmp_code && in_ip->ip_proto == IPPROTO_UDP) {
@@ -1559,8 +1560,12 @@ pinctrl_handle_icmp(struct rconn *swconn, const struct flow *ip_flow,
         nh->ip6_vfc = 0x60;
         nh->ip6_nxt = IPPROTO_ICMPV6;
         nh->ip6_plen = htons(ICMP6_DATA_HEADER_LEN);
-        packet_set_ipv6(&packet, &ip_flow->ipv6_src, &ip_flow->ipv6_dst,
-                        ip_flow->nw_tos, ip_flow->ipv6_label, 255);
+        const struct in6_addr *ip6_src =
+            loopback ? &ip_flow->ipv6_dst : &ip_flow->ipv6_src;
+        const struct in6_addr *ip6_dst =
+            loopback ? &ip_flow->ipv6_src : &ip_flow->ipv6_dst;
+        packet_set_ipv6(&packet, ip6_src, ip6_dst, ip_flow->nw_tos,
+                        ip_flow->ipv6_label, 255);
 
         ih = dp_packet_put_zeros(&packet, sizeof *ih);
         dp_packet_set_l4(&packet, ih);
@@ -1617,7 +1622,8 @@ pinctrl_handle_icmp(struct rconn *swconn, const struct flow *ip_flow,
 static void
 pinctrl_handle_tcp_reset(struct rconn *swconn, const struct flow *ip_flow,
                          struct dp_packet *pkt_in,
-                         const struct match *md, struct ofpbuf *userdata)
+                         const struct match *md, struct ofpbuf *userdata,
+                         bool loopback)
 {
     /* This action only works for TCP segments, and the switch should only send
      * us TCP segments this way, but check here just to be sure. */
@@ -1632,14 +1638,23 @@ pinctrl_handle_tcp_reset(struct rconn *swconn, const struct flow *ip_flow,
 
     dp_packet_use_stub(&packet, packet_stub, sizeof packet_stub);
     packet.packet_type = htonl(PT_ETH);
+
+    struct eth_addr eth_src = loopback ? ip_flow->dl_dst : ip_flow->dl_src;
+    struct eth_addr eth_dst = loopback ? ip_flow->dl_src : ip_flow->dl_dst;
+
     if (get_dl_type(ip_flow) == htons(ETH_TYPE_IPV6)) {
-        pinctrl_compose_ipv6(&packet, ip_flow->dl_src, ip_flow->dl_dst,
-                             (struct in6_addr *)&ip_flow->ipv6_src,
-                             (struct in6_addr *)&ip_flow->ipv6_dst,
+        const struct in6_addr *ip6_src =
+            loopback ? &ip_flow->ipv6_dst : &ip_flow->ipv6_src;
+        const struct in6_addr *ip6_dst =
+            loopback ? &ip_flow->ipv6_src : &ip_flow->ipv6_dst;
+        pinctrl_compose_ipv6(&packet, eth_src, eth_dst,
+                             (struct in6_addr *) ip6_src,
+                             (struct in6_addr *) ip6_dst,
                              IPPROTO_TCP, 63, TCP_HEADER_LEN);
     } else {
-        pinctrl_compose_ipv4(&packet, ip_flow->dl_src, ip_flow->dl_dst,
-                             ip_flow->nw_src, ip_flow->nw_dst,
+        ovs_be32 nw_src = loopback ? ip_flow->nw_dst : ip_flow->nw_src;
+        ovs_be32 nw_dst = loopback ? ip_flow->nw_src : ip_flow->nw_dst;
+        pinctrl_compose_ipv4(&packet, eth_src, eth_dst, nw_src, nw_dst,
                              IPPROTO_TCP, 63, TCP_HEADER_LEN);
     }
 
@@ -1670,6 +1685,18 @@ pinctrl_handle_tcp_reset(struct rconn *swconn, const struct flow *ip_flow,
     dp_packet_uninit(&packet);
 }
 
+static void
+pinctrl_handle_reject(struct rconn *swconn, const struct flow *ip_flow,
+                      struct dp_packet *pkt_in,
+                      const struct match *md, struct ofpbuf *userdata)
+{
+    if (ip_flow->nw_proto == IPPROTO_TCP) {
+        pinctrl_handle_tcp_reset(swconn, ip_flow, pkt_in, md, userdata, true);
+    } else {
+        pinctrl_handle_icmp(swconn, ip_flow, pkt_in, md, userdata, true, true);
+    }
+}
+
 static bool
 is_dhcp_flags_broadcast(ovs_be16 flags)
 {
@@ -2773,18 +2800,23 @@ process_packet_in(struct rconn *swconn, const struct ofp_header *msg)
 
     case ACTION_OPCODE_ICMP:
         pinctrl_handle_icmp(swconn, &headers, &packet, &pin.flow_metadata,
-                            &userdata, true);
+                            &userdata, true, false);
         break;
 
     case ACTION_OPCODE_ICMP4_ERROR:
     case ACTION_OPCODE_ICMP6_ERROR:
         pinctrl_handle_icmp(swconn, &headers, &packet, &pin.flow_metadata,
-                            &userdata, false);
+                            &userdata, false, false);
         break;
 
     case ACTION_OPCODE_TCP_RESET:
         pinctrl_handle_tcp_reset(swconn, &headers, &packet, &pin.flow_metadata,
-                                 &userdata);
+                                 &userdata, false);
+        break;
+
+    case ACTION_OPCODE_REJECT:
+        pinctrl_handle_reject(swconn, &headers, &packet, &pin.flow_metadata,
+                              &userdata);
         break;
 
     case ACTION_OPCODE_PUT_ICMP4_FRAG_MTU:
diff --git a/include/ovn/actions.h b/include/ovn/actions.h
index 636cb4bc1a..b4e5acabb9 100644
--- a/include/ovn/actions.h
+++ b/include/ovn/actions.h
@@ -95,7 +95,8 @@ struct ovn_extend_table;
     OVNACT(HANDLE_SVC_CHECK,  ovnact_handle_svc_check) \
     OVNACT(FWD_GROUP,         ovnact_fwd_group)       \
     OVNACT(DHCP6_REPLY,       ovnact_null)            \
-    OVNACT(ICMP6_ERROR,       ovnact_nest)
+    OVNACT(ICMP6_ERROR,       ovnact_nest)            \
+    OVNACT(REJECT,            ovnact_nest)            \
 
 /* enum ovnact_type, with a member OVNACT_<ENUM> for each action. */
 enum OVS_PACKED_ENUM ovnact_type {
@@ -605,6 +606,12 @@ enum action_opcode {
     /* MTU value (to put in the icmp6 header field - frag_mtu) follow the
      * action header. */
     ACTION_OPCODE_PUT_ICMP6_FRAG_MTU,
+
+    /* "reject { ...actions... }".
+     *
+     * The actions, in OpenFlow 1.3 format, follow the action_header.
+     */
+    ACTION_OPCODE_REJECT,
 };
 
 /* Header. */
diff --git a/lib/actions.c b/lib/actions.c
index 5fe0a3897e..1e1bdeff24 100644
--- a/lib/actions.c
+++ b/lib/actions.c
@@ -1386,6 +1386,12 @@ parse_CLONE(struct action_context *ctx)
     parse_nested_action(ctx, OVNACT_CLONE, NULL, WR_DEFAULT);
 }
 
+static void
+parse_REJECT(struct action_context *ctx)
+{
+    parse_nested_action(ctx, OVNACT_REJECT, NULL, ctx->scope);
+}
+
 static void
 format_nested_action(const struct ovnact_nest *on, const char *name,
                      struct ds *s)
@@ -1479,6 +1485,12 @@ format_TRIGGER_EVENT(const struct ovnact_controller_event *event,
     ds_put_cstr(s, ");");
 }
 
+static void
+format_REJECT(const struct ovnact_nest *nest, struct ds *s)
+{
+    format_nested_action(nest, "reject", s);
+}
+
 static void
 encode_nested_actions(const struct ovnact_nest *on,
                       const struct ovnact_encode_params *ep,
@@ -1560,6 +1572,14 @@ encode_TCP_RESET(const struct ovnact_nest *on,
     encode_nested_actions(on, ep, ACTION_OPCODE_TCP_RESET, ofpacts);
 }
 
+static void
+encode_REJECT(const struct ovnact_nest *on,
+              const struct ovnact_encode_params *ep,
+              struct ofpbuf *ofpacts)
+{
+    encode_nested_actions(on, ep, ACTION_OPCODE_REJECT, ofpacts);
+}
+
 static void
 encode_ND_NA(const struct ovnact_nest *on,
              const struct ovnact_encode_params *ep,
@@ -3567,6 +3587,8 @@ parse_action(struct action_context *ctx)
         parse_fwd_group_action(ctx);
     } else if (lexer_match_id(ctx->lexer, "handle_dhcpv6_reply")) {
         ovnact_put_DHCP6_REPLY(ctx->ovnacts);
+    } else if (lexer_match_id(ctx->lexer, "reject")) {
+        parse_REJECT(ctx);
     } else {
         lexer_syntax_error(ctx->lexer, "expecting action");
     }
diff --git a/ovn-sb.xml b/ovn-sb.xml
index 59888a1553..182ff0a8a2 100644
--- a/ovn-sb.xml
+++ b/ovn-sb.xml
@@ -2191,6 +2191,22 @@ tcp.flags = RST;
           <p><b>Prerequisite:</b> <code>tcp</code></p>
         </dd>
 
+        <dt><code>reject { <var>action</var>; </code>...<code> };</code></dt>
+        <dd>
+          <p>
+            If the original packet is IPv4 or IPv6 TCP packet, it replaces it
+            with IPv4 or IPv6 TCP RST packet and executes the inner actions.
+            Otherwise it replaces it with an ICMPv4 or ICMPv6 packet and
+            executes the inner actions.
+          </p>
+
+          <p>
+            The inner actions should not attempt to swap eth source with eth
+            destination and IP source with IP destination as this action
+            implicitly does that.
+          </p>
+        </dd>
+
         <dt><code>trigger_event;</code></dt>
         <dd>
           <p>
diff --git a/tests/ovn.at b/tests/ovn.at
index 9420b1e618..ad741f4f7c 100644
--- a/tests/ovn.at
+++ b/tests/ovn.at
@@ -1593,6 +1593,18 @@ tcp_reset { };
     encodes as controller(userdata=00.00.00.0b.00.00.00.00)
     has prereqs tcp
 
+# reject
+reject { eth.dst = ff:ff:ff:ff:ff:ff; output; }; output;
+    encodes as controller(userdata=00.00.00.16.00.00.00.00.00.19.00.10.80.00.06.06.ff.ff.ff.ff.ff.ff.00.00.ff.ff.00.10.00.00.23.20.00.0e.ff.f8.40.00.00.00),resubmit(,64)
+
+reject { eth.dst <-> eth.src; ip4.src <-> ip4.dst; output; };
+    encodes as controller(userdata=00.00.00.16.00.00.00.00.ff.ff.00.18.00.00.23.20.00.1b.00.00.00.00.04.06.00.30.00.00.00.00.00.00.ff.ff.00.18.00.00.23.20.00.1b.00.00.00.00.02.06.00.30.00.00.00.00.00.00.ff.ff.00.18.00.00.23.20.00.1c.00.00.00.00.04.06.00.30.00.00.00.00.00.00.ff.ff.00.18.00.00.23.20.00.1c.00.00.00.00.02.06.00.30.00.00.00.00.00.00.ff.ff.00.18.00.00.23.20.00.1b.00.00.00.00.10.04.00.20.00.00.00.00.00.00.ff.ff.00.18.00.00.23.20.00.1b.00.00.00.00.0e.04.00.20.00.00.00.00.00.00.ff.ff.00.18.00.00.23.20.00.1c.00.00.00.00.10.04.00.20.00.00.00.00.00.00.ff.ff.00.18.00.00.23.20.00.1c.00.00.00.00.0e.04.00.20.00.00.00.00.00.00.ff.ff.00.10.00.00.23.20.00.0e.ff.f8.40.00.00.00)
+    has prereqs eth.type == 0x800 && eth.type == 0x800
+
+reject { };
+    formats as reject { drop; };
+    encodes as controller(userdata=00.00.00.16.00.00.00.00)
+
 # trigger_event
 trigger_event(event = "empty_lb_backends", vip = "10.0.0.1:80", protocol = "tcp", load_balancer = "12345678-abcd-9876-fedc-11119f8e7d6c");
     encodes as controller(userdata=00.00.00.0f.00.00.00.00.00.00.00.00.00.01.00.0b.31.30.2e.30.2e.30.2e.31.3a.38.30.00.02.00.03.74.63.70.00.03.00.24.31.32.33.34.35.36.37.38.2d.61.62.63.64.2d.39.38.37.36.2d.66.65.64.63.2d.31.31.31.31.39.66.38.65.37.64.36.63)
diff --git a/utilities/ovn-trace.c b/utilities/ovn-trace.c
index 0920ae1599..89b93774d7 100644
--- a/utilities/ovn-trace.c
+++ b/utilities/ovn-trace.c
@@ -1638,16 +1638,23 @@ execute_nd_ns(const struct ovnact_nest *on, const struct ovntrace_datapath *dp,
 static void
 execute_icmp4(const struct ovnact_nest *on,
               const struct ovntrace_datapath *dp,
-              const struct flow *uflow, uint8_t table_id,
+              const struct flow *uflow, uint8_t table_id, bool lookback,
               enum ovnact_pipeline pipeline, struct ovs_list *super)
 {
     struct flow icmp4_flow = *uflow;
 
     /* Update fields for ICMP. */
-    icmp4_flow.dl_dst = uflow->dl_dst;
-    icmp4_flow.dl_src = uflow->dl_src;
-    icmp4_flow.nw_dst = uflow->nw_dst;
-    icmp4_flow.nw_src = uflow->nw_src;
+    if (lookback) {
+        icmp4_flow.dl_dst = uflow->dl_src;
+        icmp4_flow.dl_src = uflow->dl_dst;
+        icmp4_flow.nw_dst = uflow->nw_src;
+        icmp4_flow.nw_src = uflow->nw_dst;
+    } else {
+        icmp4_flow.dl_dst = uflow->dl_dst;
+        icmp4_flow.dl_src = uflow->dl_src;
+        icmp4_flow.nw_dst = uflow->nw_dst;
+        icmp4_flow.nw_src = uflow->nw_src;
+    }
     icmp4_flow.nw_proto = IPPROTO_ICMP;
     icmp4_flow.nw_ttl = 255;
     icmp4_flow.tp_src = htons(ICMP4_DST_UNREACH); /* icmp type */
@@ -1663,16 +1670,23 @@ execute_icmp4(const struct ovnact_nest *on,
 static void
 execute_icmp6(const struct ovnact_nest *on,
               const struct ovntrace_datapath *dp,
-              const struct flow *uflow, uint8_t table_id,
+              const struct flow *uflow, uint8_t table_id, bool loopback,
               enum ovnact_pipeline pipeline, struct ovs_list *super)
 {
     struct flow icmp6_flow = *uflow;
 
     /* Update fields for ICMPv6. */
-    icmp6_flow.dl_dst = uflow->dl_dst;
-    icmp6_flow.dl_src = uflow->dl_src;
-    icmp6_flow.ipv6_dst = uflow->ipv6_dst;
-    icmp6_flow.ipv6_src = uflow->ipv6_src;
+    if (loopback) {
+        icmp6_flow.dl_dst = uflow->dl_src;
+        icmp6_flow.dl_src = uflow->dl_dst;
+        icmp6_flow.ipv6_dst = uflow->ipv6_src;
+        icmp6_flow.ipv6_src = uflow->ipv6_dst;
+    } else {
+        icmp6_flow.dl_dst = uflow->dl_dst;
+        icmp6_flow.dl_src = uflow->dl_src;
+        icmp6_flow.ipv6_dst = uflow->ipv6_dst;
+        icmp6_flow.ipv6_src = uflow->ipv6_src;
+    }
     icmp6_flow.nw_proto = IPPROTO_ICMPV6;
     icmp6_flow.nw_ttl = 255;
     icmp6_flow.tp_src = htons(ICMP6_DST_UNREACH); /* icmp type */
@@ -1689,15 +1703,23 @@ static void
 execute_tcp_reset(const struct ovnact_nest *on,
                   const struct ovntrace_datapath *dp,
                   const struct flow *uflow, uint8_t table_id,
-                  enum ovnact_pipeline pipeline, struct ovs_list *super)
+                  bool lookback, enum ovnact_pipeline pipeline,
+                  struct ovs_list *super)
 {
     struct flow tcp_flow = *uflow;
 
     /* Update fields for TCP segment. */
-    tcp_flow.dl_dst = uflow->dl_dst;
-    tcp_flow.dl_src = uflow->dl_src;
-    tcp_flow.nw_dst = uflow->nw_dst;
-    tcp_flow.nw_src = uflow->nw_src;
+    if (lookback) {
+        tcp_flow.dl_dst = uflow->dl_src;
+        tcp_flow.dl_src = uflow->dl_dst;
+        tcp_flow.nw_dst = uflow->nw_src;
+        tcp_flow.nw_src = uflow->nw_dst;
+    } else {
+        tcp_flow.dl_dst = uflow->dl_dst;
+        tcp_flow.dl_src = uflow->dl_src;
+        tcp_flow.nw_dst = uflow->nw_dst;
+        tcp_flow.nw_src = uflow->nw_src;
+    }
     tcp_flow.nw_proto = IPPROTO_TCP;
     tcp_flow.nw_ttl = 255;
     tcp_flow.tp_src = uflow->tp_src;
@@ -1711,6 +1733,23 @@ execute_tcp_reset(const struct ovnact_nest *on,
                   table_id, pipeline, &node->subs);
 }
 
+static void
+execute_reject(const struct ovnact_nest *on,
+               const struct ovntrace_datapath *dp,
+               const struct flow *uflow, uint8_t table_id,
+               enum ovnact_pipeline pipeline, struct ovs_list *super)
+{
+    if (uflow->nw_proto == IPPROTO_TCP) {
+        execute_tcp_reset(on, dp, uflow, table_id, true, pipeline, super);
+    } else {
+        if (get_dl_type(uflow) == htons(ETH_TYPE_IP)) {
+            execute_icmp4(on, dp, uflow, table_id, true, pipeline, super);
+        } else {
+            execute_icmp6(on, dp, uflow, table_id, true, pipeline, super);
+        }
+    }
+}
+
 static void
 execute_get_mac_bind(const struct ovnact_get_mac_bind *bind,
                      const struct ovntrace_datapath *dp,
@@ -2315,23 +2354,23 @@ trace_actions(const struct ovnact *ovnacts, size_t ovnacts_len,
             break;
 
         case OVNACT_ICMP4:
-            execute_icmp4(ovnact_get_ICMP4(a), dp, uflow, table_id, pipeline,
-                          super);
+            execute_icmp4(ovnact_get_ICMP4(a), dp, uflow, table_id, false,
+                          pipeline, super);
             break;
 
         case OVNACT_ICMP4_ERROR:
             execute_icmp4(ovnact_get_ICMP4_ERROR(a), dp, uflow, table_id,
-                          pipeline, super);
+                          false, pipeline, super);
             break;
 
         case OVNACT_ICMP6:
-            execute_icmp6(ovnact_get_ICMP6(a), dp, uflow, table_id, pipeline,
-                          super);
+            execute_icmp6(ovnact_get_ICMP6(a), dp, uflow, table_id, false,
+                          pipeline, super);
             break;
 
         case OVNACT_ICMP6_ERROR:
             execute_icmp6(ovnact_get_ICMP6_ERROR(a), dp, uflow, table_id,
-                          pipeline, super);
+                          false, pipeline, super);
             break;
 
         case OVNACT_IGMP:
@@ -2340,13 +2379,18 @@ trace_actions(const struct ovnact *ovnacts, size_t ovnacts_len,
 
         case OVNACT_TCP_RESET:
             execute_tcp_reset(ovnact_get_TCP_RESET(a), dp, uflow, table_id,
-                              pipeline, super);
+                              false, pipeline, super);
             break;
 
         case OVNACT_OVNFIELD_LOAD:
             execute_ovnfield_load(ovnact_get_OVNFIELD_LOAD(a), super);
             break;
 
+        case OVNACT_REJECT:
+            execute_reject(ovnact_get_REJECT(a), dp, uflow, table_id,
+                           pipeline, super);
+            break;
+
         case OVNACT_TRIGGER_EVENT:
             break;
 
