Fix NIC port count handling and apply pending exporter updates

internal/collector/redfish.go

@@ -2361,7 +2361,7 @@ func parseNIC(doc map[string]interface{}) models.NetworkAdapter {
 			location = firstNonEmpty(location, redfishLocationLabel(ctrl["Location"]))
 			firmware = asString(ctrl["FirmwarePackageVersion"])
 			if caps, ok := ctrl["ControllerCapabilities"].(map[string]interface{}); ok {
-				portCount = asInt(caps["NetworkPortCount"])
+				portCount = sanitizeNetworkPortCount(asInt(caps["NetworkPortCount"]))
 			}
 		}
 	}
@@ -3406,6 +3406,8 @@ func mergeNetworkAdapterEntries(a, b models.NetworkAdapter) models.NetworkAdapte
 		base, donor = donor, base
 	}
 	out := base
+	out.PortCount = sanitizeNetworkPortCount(out.PortCount)
+	donor.PortCount = sanitizeNetworkPortCount(donor.PortCount)
 	if strings.TrimSpace(out.Slot) == "" && strings.TrimSpace(donor.Slot) != "" {
 		out.Slot = donor.Slot
 	}
@@ -3452,6 +3454,15 @@ func mergeNetworkAdapterEntries(a, b models.NetworkAdapter) models.NetworkAdapte
 	return out
 }
 
+const maxReasonableNetworkPortCount = 256
+
+func sanitizeNetworkPortCount(v int) int {
+	if v <= 0 || v > maxReasonableNetworkPortCount {
+		return 0
+	}
+	return v
+}
+
 func dedupePCIeDevices(items []models.PCIeDevice) []models.PCIeDevice {
 	if len(items) <= 1 {
 		return items

internal/collector/redfish_replay.go

@@ -653,7 +653,7 @@ func (r redfishSnapshotReader) enrichNICsFromNetworkInterfaces(nics *[]models.Ne
 				macs = append(macs, collectNetworkPortMACs(p)...)
 			}
 			(*nics)[idx].MACAddresses = dedupeStrings(macs)
-			if (*nics)[idx].PortCount == 0 {
+			if sanitizeNetworkPortCount((*nics)[idx].PortCount) == 0 {
 				(*nics)[idx].PortCount = len(portDocs)
 			}
 		}

internal/collector/redfish_test.go

@@ -551,6 +551,40 @@ func TestEnrichNICFromPCIeFunctions(t *testing.T) {
 	}
 }
 
+func TestParseNIC_PortCountFromControllerCapabilities(t *testing.T) {
+	nic := parseNIC(map[string]interface{}{
+		"Id": "1",
+		"Controllers": []interface{}{
+			map[string]interface{}{
+				"ControllerCapabilities": map[string]interface{}{
+					"NetworkPortCount": 2,
+				},
+			},
+		},
+	})
+
+	if nic.PortCount != 2 {
+		t.Fatalf("expected port_count=2, got %d", nic.PortCount)
+	}
+}
+
+func TestParseNIC_DropsUnrealisticPortCount(t *testing.T) {
+	nic := parseNIC(map[string]interface{}{
+		"Id": "1",
+		"Controllers": []interface{}{
+			map[string]interface{}{
+				"ControllerCapabilities": map[string]interface{}{
+					"NetworkPortCount": 825307750,
+				},
+			},
+		},
+	})
+
+	if nic.PortCount != 0 {
+		t.Fatalf("expected unrealistic port count to be dropped, got %d", nic.PortCount)
+	}
+}
+
 func TestParsePCIeDevice_PrefersFunctionClassOverDeviceType(t *testing.T) {
 	doc := map[string]interface{}{
 		"Id":         "NIC1",