Support per-VNI multisite ingress replication in EVPNInstance

api/core/v1alpha1/evpninstance_types.go

@@ -51,6 +51,14 @@ type EVPNInstanceSpec struct {
 	// +kubebuilder:validation:Format=ipv4
 	MulticastGroupAddress string `json:"multicastGroupAddress,omitempty"`
 
+	// MultisiteIngRepl controls per-VNI multisite ingress replication.
+	// When enabled, BUM traffic for this VNI is replicated to remote VTEP peers
+	// in the multisite domain via ingress replication.
+	// Typically used on Border Gateway (BGW) nodes.
+	// +optional
+	// +kubebuilder:default=Disabled
+	MultisiteIngRepl MultisiteIngReplMode `json:"multisiteIngRepl,omitempty"`
+
 	// RouteDistinguisher is the route distinguisher for the EVI.
 	// This field is only applicable when Type is Bridged (MAC-VRF).
 	// For Routed type, the route distinguisher is configured on the referenced VRF instead.
@@ -101,6 +109,19 @@ const (
 	EVPNInstanceTypeRouted EVPNInstanceType = "Routed"
 )
 
+// MultisiteIngReplMode defines the per-VNI multisite ingress-replication mode.
+// +kubebuilder:validation:Enum=Disabled;Enabled;EnabledOptimized
+type MultisiteIngReplMode string
+
+const (
+	// MultisiteIngReplDisabled disables multisite ingress replication (default).
+	MultisiteIngReplDisabled MultisiteIngReplMode = "Disabled"
+	// MultisiteIngReplEnabled enables multisite ingress replication.
+	MultisiteIngReplEnabled MultisiteIngReplMode = "Enabled"
+	// MultisiteIngReplEnabledOptimized enables optimized multisite ingress replication.
+	MultisiteIngReplEnabledOptimized MultisiteIngReplMode = "EnabledOptimized"
+)
+
 type EVPNRouteTarget struct {
 	// Value is the route target value, must have the format as RouteDistinguisher.
 	// +required

internal/provider/cisco/nxos/nve.go

@@ -64,10 +64,21 @@ func (n *NVE) XPath() string {
 	return "System/eps-items/epId-items/Ep-list[epId=1]"
 }
 
+// MultisiteIngRepl represents the per-VNI multisite ingress-replication state
+// on NX-OS (nvo_MultisiteIngReplStateT).
+type MultisiteIngRepl string
+
+const (
+	MultisiteIngReplDisable         MultisiteIngRepl = "disable"
+	MultisiteIngReplEnable          MultisiteIngRepl = "enable"
+	MultisiteIngReplEnableOptimized MultisiteIngRepl = "enableOptimized"
+)
+
 type VNI struct {
-	AssociateVrfFlag bool           `json:"associateVrfFlag"`
-	McastGroup       Option[string] `json:"mcastGroup"`
-	Vni              int32          `json:"vni"`
+	AssociateVrfFlag bool             `json:"associateVrfFlag"`
+	McastGroup       Option[string]   `json:"mcastGroup"`
+	MultisiteIngRepl MultisiteIngRepl `json:"multisiteIngRepl"`
+	Vni              int32            `json:"vni"`
 }
 
 func (*VNI) IsListItem() {}

internal/provider/cisco/nxos/nve_test.go

@@ -18,10 +18,23 @@ func init() {
 	Register("nve", nve)
 
 	vni := &VNI{
-		Vni:        100010,
-		McastGroup: NewOption("239.1.1.100"),
+		Vni:              100010,
+		McastGroup:       NewOption("239.1.1.100"),
+		MultisiteIngRepl: MultisiteIngReplDisable,
 	}
 	Register("vni", vni)
+
+	vniMultisite := &VNI{
+		Vni:              100010,
+		MultisiteIngRepl: MultisiteIngReplEnable,
+	}
+	Register("vni_multisite_ingress_replication", vniMultisite)
+
+	vniMultisiteOptimized := &VNI{
+		Vni:              100010,
+		MultisiteIngRepl: MultisiteIngReplEnableOptimized,
+	}
+	Register("vni_multisite_ingress_replication_optimized", vniMultisiteOptimized)
 	nveInfraVLANs := &NVEInfraVLANs{
 		InfraVLANList: []*NVEInfraVLAN{
 			{ID: 4052},

internal/provider/cisco/nxos/provider.go

@@ -1117,6 +1117,14 @@ func (p *Provider) EnsureEVPNInstance(ctx context.Context, req *provider.EVPNIns
 	if req.EVPNInstance.Spec.MulticastGroupAddress != "" {
 		vni.McastGroup = NewOption(req.EVPNInstance.Spec.MulticastGroupAddress)
 	}
+	switch req.EVPNInstance.Spec.MultisiteIngRepl {
+	case v1alpha1.MultisiteIngReplEnabled:
+		vni.MultisiteIngRepl = MultisiteIngReplEnable
+	case v1alpha1.MultisiteIngReplEnabledOptimized:
+		vni.MultisiteIngRepl = MultisiteIngReplEnableOptimized
+	default:
+		vni.MultisiteIngRepl = MultisiteIngReplDisable
+	}
 	sb.Update(vni)
 
 	switch req.EVPNInstance.Spec.Type {

internal/provider/cisco/nxos/testdata/vni.json

@@ -10,6 +10,7 @@
                 {
                   "associateVrfFlag": false,
                   "mcastGroup": "239.1.1.100",
+                  "multisiteIngRepl": "disable",
                   "vni": 100010
                 }
               ]

internal/provider/cisco/nxos/testdata/vni_multisite_ingress_replication.json

@@ -0,0 +1,23 @@
+{
+  "eps-items": {
+    "epId-items": {
+      "Ep-list": [
+        {
+          "epId": "1",
+          "nws-items": {
+            "vni-items": {
+              "Nw-list": [
+                {
+                  "associateVrfFlag": false,
+                  "mcastGroup": "DME_UNSET_PROPERTY_MARKER",
+                  "multisiteIngRepl": "enable",
+                  "vni": 100010
+                }
+              ]
+            }
+          }
+        }
+      ]
+    }
+  }
+}

internal/provider/cisco/nxos/testdata/vni_multisite_ingress_replication_optimized.json

@@ -0,0 +1,23 @@
+{
+  "eps-items": {
+    "epId-items": {
+      "Ep-list": [
+        {
+          "epId": "1",
+          "nws-items": {
+            "vni-items": {
+              "Nw-list": [
+                {
+                  "associateVrfFlag": false,
+                  "mcastGroup": "DME_UNSET_PROPERTY_MARKER",
+                  "multisiteIngRepl": "enableOptimized",
+                  "vni": 100010
+                }
+              ]
+            }
+          }
+        }
+      ]
+    }
+  }
+}

test/gnmi/testdata/cisco-nxos-gnmi/evpninstance.txtar

@@ -86,6 +86,7 @@ spec:
                   {
                     "associateVrfFlag": false,
                     "mcastGroup": "DME_UNSET_PROPERTY_MARKER",
+                    "multisiteIngRepl": "disable",
                     "vni": 10100
                   }
                 ]