Index: includes/definitions/os/huawei.inc.php
===================================================================
--- includes/definitions/os/huawei.inc.php	(revision 14968)
+++ includes/definitions/os/huawei.inc.php	(working copy)
@@ -214,6 +214,26 @@
     // EMAP-MIB::hwSiteName.0 = STRING: "Huawei eMap"
     'EMAP-MIB::hwSiteName.0'                  => '/^Huawei/',
 ];
+
+// Local addition, 2026-09-29. Upstream rule requires hwSiteName to start with
+// "Huawei", but hwSiteName is a user-configurable site label and breaks as soon as it
+// is renamed. Match on read-only objects instead.
+
+// Legacy GSE200M site controller (ETP4890): generic Net-SNMP identity,
+// manufacturer string is read-only and vendor-fixed.
+$config['os'][$os]['discovery'][]           = [
+    'sysObjectID'                             => '.1.3.6.1.4.1.8072.3.2.10',
+    'sysDescr'                                => '/^Linux GSE200M/',
+    // EMAP-MIB::hwMonEquipManufacturer.1 = STRING: "HUAWEI"
+    'EMAP-MIB::hwMonEquipManufacturer.1'      => '/^HUAWEI/i',
+];
+
+// SMU11B and similar controllers report a node inside the EMAP-MIB tree as sysObjectID.
+$config['os'][$os]['discovery'][]           = [
+    // sysObjectID = .1.3.6.1.4.1.2011.6.164.1.2 (hwSiteMonitors), sysDescr = "SMU11B"
+    'sysObjectID'                             => '.1.3.6.1.4.1.2011.6.164.',
+];
+
 $config['os'][$os]['mibs'][]                = "EMAP-MIB";
 
 $model = "huawei";