diff --git a/agent/agent.go b/agent/agent.go
index fa2ed94eb7..13678fc1ff 100644
--- a/agent/agent.go
+++ b/agent/agent.go
@@ -442,6 +442,11 @@ func (a *Agent) Start() error {
 	if err != nil {
 		return err
 	}
+	go func() {
+		if err := a.proxyConfig.Run(); err != nil {
+			a.logger.Printf("[ERR] Proxy Config Manager exited: %s", err)
+		}
+	}()
 
 	// Start watching for critical services to deregister, based on their
 	// checks.
diff --git a/agent/agent_endpoint.go b/agent/agent_endpoint.go
index 0fcf4c294c..03daa14a7a 100644
--- a/agent/agent_endpoint.go
+++ b/agent/agent_endpoint.go
@@ -352,6 +352,14 @@ func (s *HTTPServer) AgentService(resp http.ResponseWriter, req *http.Request) (
 				proxy = svc.Proxy.ToAPI()
 			}
 
+			var weights api.AgentWeights
+			if svc.Weights != nil {
+				err := mapstructure.Decode(svc.Weights, &weights)
+				if err != nil {
+					return "", nil, err
+				}
+			}
+
 			// Calculate the content hash over the response, minus the hash field
 			reply := &api.AgentService{
 				Kind:              api.ServiceKind(svc.Kind),
@@ -362,6 +370,7 @@ func (s *HTTPServer) AgentService(resp http.ResponseWriter, req *http.Request) (
 				Port:              svc.Port,
 				Address:           svc.Address,
 				EnableTagOverride: svc.EnableTagOverride,
+				Weights:           weights,
 				Proxy:             proxy,
 				Connect:           connect,
 			}
diff --git a/agent/agent_endpoint_test.go b/agent/agent_endpoint_test.go
index c074e50fd9..dea70d4795 100644
--- a/agent/agent_endpoint_test.go
+++ b/agent/agent_endpoint_test.go
@@ -250,6 +250,10 @@ func TestAgent_Service(t *testing.T) {
 		},
 		Port:  8000,
 		Proxy: &proxy,
+		Weights: &structs.Weights{
+			Passing: 1,
+			Warning: 1,
+		},
 	}
 
 	// Define an updated version. Be careful to copy it.
@@ -268,20 +272,28 @@ func TestAgent_Service(t *testing.T) {
 		Service:     "web-sidecar-proxy",
 		Port:        8000,
 		Proxy:       expectProxy.ToAPI(),
-		ContentHash: "26959a754e182054",
+		ContentHash: "3442362e971c43d1",
+		Weights: api.AgentWeights{
+			Passing: 1,
+			Warning: 1,
+		},
 	}
 
 	// Copy and modify
 	updatedResponse := *expectedResponse
 	updatedResponse.Port = 9999
-	updatedResponse.ContentHash = "1bdcf042660b33f6"
+	updatedResponse.ContentHash = "90b5c19bf0f5073"
 
-	// Simple response for non-proxy service regustered in TestAgent config
+	// Simple response for non-proxy service registered in TestAgent config
 	expectWebResponse := &api.AgentService{
 		ID:          "web",
 		Service:     "web",
 		Port:        8181,
-		ContentHash: "7be2b0411161d3b1",
+		ContentHash: "69351c1ac865b034",
+		Weights: api.AgentWeights{
+			Passing: 1,
+			Warning: 1,
+		},
 	}
 
 	tests := []struct {
diff --git a/agent/config/runtime_test.go b/agent/config/runtime_test.go
index cc5f53ba26..fa55a963f7 100644
--- a/agent/config/runtime_test.go
+++ b/agent/config/runtime_test.go
@@ -2505,8 +2505,16 @@ func TestConfigFlagsAndEdgecases(t *testing.T) {
 										},
 									},
 								},
+								Weights: &structs.Weights{
+									Passing: 1,
+									Warning: 1,
+								},
 							},
 						},
+						Weights: &structs.Weights{
+							Passing: 1,
+							Warning: 1,
+						},
 					},
 				}
 			},
@@ -2592,8 +2600,16 @@ func TestConfigFlagsAndEdgecases(t *testing.T) {
 										},
 									},
 								},
+								Weights: &structs.Weights{
+									Passing: 1,
+									Warning: 1,
+								},
 							},
 						},
+						Weights: &structs.Weights{
+							Passing: 1,
+							Warning: 1,
+						},
 					},
 				}
 			},
@@ -4209,7 +4225,12 @@ func TestFullConfig(t *testing.T) {
 				// it can make intelligent decisions about automatic port assignments
 				// etc. So we expect config just to pass it through verbatim.
 				Connect: &structs.ServiceConnect{
-					SidecarService: &structs.ServiceDefinition{},
+					SidecarService: &structs.ServiceDefinition{
+						Weights: &structs.Weights{
+							Passing: 1,
+							Warning: 1,
+						},
+					},
 				},
 			},
 			{
diff --git a/api/agent_test.go b/api/agent_test.go
index 27da62eb18..8766e2ff56 100644
--- a/api/agent_test.go
+++ b/api/agent_test.go
@@ -673,7 +673,7 @@ func TestAPI_AgentService(t *testing.T) {
 		ID:          "foo",
 		Service:     "foo",
 		Tags:        []string{"bar", "baz"},
-		ContentHash: "bf5bd67c5d74b26d",
+		ContentHash: "5d286f5494330b04",
 		Port:        8000,
 	}
 	require.Equal(expect, got)
@@ -683,7 +683,7 @@ func TestAPI_AgentService(t *testing.T) {
 	// agent endpoint tests but this ensures that the API package is at least
 	// passing the hash param properly.
 	opts := QueryOptions{
-		WaitHash: "bf5bd67c5d74b26d",
+		WaitHash: "5d286f5494330b04",
 		WaitTime: 100 * time.Millisecond, // Just long enough to be reliably measurable
 	}
 	start := time.Now()
diff --git a/command/services/config_test.go b/command/services/config_test.go
index 238c286e41..d98e52a19f 100644
--- a/command/services/config_test.go
+++ b/command/services/config_test.go
@@ -88,9 +88,47 @@ func TestStructsToAgentService(t *testing.T) {
 				},
 			},
 		},
+		{
+			"Proxy service",
+			&structs.ServiceDefinition{
+				Name: "web-proxy",
+				Kind: structs.ServiceKindConnectProxy,
+				Tags: []string{"leader"},
+				Port: 1234,
+				Proxy: &structs.ConnectProxyConfig{
+					DestinationServiceID:   "web1",
+					DestinationServiceName: "web",
+					LocalServiceAddress:    "127.0.0.1",
+					LocalServicePort:       8181,
+					Upstreams:              structs.TestUpstreams(t),
+					Config: map[string]interface{}{
+						"foo": "bar",
+					},
+				},
+			},
+			&api.AgentServiceRegistration{
+				Name: "web-proxy",
+				Tags: []string{"leader"},
+				Port: 1234,
+				Kind: api.ServiceKindConnectProxy,
+				Proxy: &api.AgentServiceConnectProxyConfig{
+					DestinationServiceID:   "web1",
+					DestinationServiceName: "web",
+					LocalServiceAddress:    "127.0.0.1",
+					LocalServicePort:       8181,
+					Upstreams:              structs.TestUpstreams(t).ToAPI(),
+					Config: map[string]interface{}{
+						"foo": "bar",
+					},
+				},
+			},
+		},
 	}
 
-	for _, tc := range cases {
+	for _, tt := range cases {
+		// Capture the loop variable locally otherwise parallel will cause us to run
+		// N copies of the last test case but with different names!!
+		tc := tt
 		t.Run(tc.Name, func(t *testing.T) {
 			t.Parallel()
 			require := require.New(t)
@@ -100,6 +138,3 @@ func TestStructsToAgentService(t *testing.T) {
 		})
 	}
 }
-
-func intPtr(v int) *int       { return &v }
-func strPtr(v string) *string { return &v }