diff --git a/Tethering/tests/unit/src/com/android/networkstack/tethering/EntitlementManagerTest.java b/Tethering/tests/unit/src/com/android/networkstack/tethering/EntitlementManagerTest.java
index 8cfa7d0..5ae4b43 100644
--- a/Tethering/tests/unit/src/com/android/networkstack/tethering/EntitlementManagerTest.java
+++ b/Tethering/tests/unit/src/com/android/networkstack/tethering/EntitlementManagerTest.java
@@ -53,6 +53,7 @@
 
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.ModuleInfo;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.res.Resources;
@@ -203,6 +204,7 @@
         doReturn(mPm).when(mContext).getPackageManager();
         doReturn(TEST_PACKAGE_NAME).when(mContext).getPackageName();
         doReturn(new PackageInfo()).when(mPm).getPackageInfo(anyString(), anyInt());
+        doReturn(new ModuleInfo()).when(mPm).getModuleInfo(anyString(), anyInt());
 
         when(mResources.getStringArray(R.array.config_tether_dhcp_range))
                 .thenReturn(new String[0]);
diff --git a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringConfigurationTest.java b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringConfigurationTest.java
index 1f4e371..a6433a6 100644
--- a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringConfigurationTest.java
+++ b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringConfigurationTest.java
@@ -35,6 +35,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
+import android.content.pm.ModuleInfo;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.res.Resources;
@@ -75,12 +76,14 @@
     private static final String PROVISIONING_NO_UI_APP_NAME = "no_ui_app";
     private static final String PROVISIONING_APP_RESPONSE = "app_response";
     private static final String TEST_PACKAGE_NAME = "com.android.tethering.test";
+    private static final String APEX_NAME = "com.android.tethering";
     private static final long TEST_PACKAGE_VERSION = 1234L;
     @Mock private Context mContext;
     @Mock private TelephonyManager mTelephonyManager;
     @Mock private Resources mResources;
     @Mock private Resources mResourcesForSubId;
     @Mock private PackageManager mPackageManager;
+    @Mock private ModuleInfo mMi;
     private Context mMockContext;
     private boolean mHasTelephonyManager;
     private boolean mEnableLegacyDhcpServer;
@@ -143,6 +146,8 @@
         final PackageInfo pi = new PackageInfo();
         pi.setLongVersionCode(TEST_PACKAGE_VERSION);
         doReturn(pi).when(mPackageManager).getPackageInfo(eq(TEST_PACKAGE_NAME), anyInt());
+        doReturn(mMi).when(mPackageManager).getModuleInfo(eq(APEX_NAME), anyInt());
+        doReturn(TEST_PACKAGE_NAME).when(mMi).getPackageName();
 
         when(mResources.getStringArray(R.array.config_tether_dhcp_range)).thenReturn(
                 new String[0]);
@@ -505,7 +510,7 @@
                 .thenReturn(false);
         setTetherForceUpstreamAutomaticFlagVersion(TEST_PACKAGE_VERSION - 1);
         assertTrue(DeviceConfigUtils.isFeatureEnabled(mMockContext, NAMESPACE_CONNECTIVITY,
-                TetheringConfiguration.TETHER_FORCE_UPSTREAM_AUTOMATIC_VERSION));
+                TetheringConfiguration.TETHER_FORCE_UPSTREAM_AUTOMATIC_VERSION, APEX_NAME, false));
 
         assertChooseUpstreamAutomaticallyIs(true);
 
diff --git a/tests/cts/net/src/android/net/cts/NetworkAgentTest.kt b/tests/cts/net/src/android/net/cts/NetworkAgentTest.kt
index e13e92e..1c9aba1 100644
--- a/tests/cts/net/src/android/net/cts/NetworkAgentTest.kt
+++ b/tests/cts/net/src/android/net/cts/NetworkAgentTest.kt
@@ -15,6 +15,7 @@
  */
 package android.net.cts
 
+import android.Manifest.permission.NETWORK_SETTINGS
 import android.app.Instrumentation
 import android.content.Context
 import android.net.ConnectivityManager
@@ -71,6 +72,8 @@
 import android.os.SystemClock
 import android.util.DebugUtils.valueToString
 import androidx.test.InstrumentationRegistry
+import com.android.compatibility.common.util.SystemUtil.runWithShellPermissionIdentity
+import com.android.compatibility.common.util.ThrowingSupplier
 import com.android.modules.utils.build.SdkLevel
 import com.android.net.module.util.ArrayTrackRecord
 import com.android.testutils.CompatUtil
@@ -327,7 +330,8 @@
         context: Context = realContext,
         name: String? = null,
         initialNc: NetworkCapabilities? = null,
-        initialLp: LinkProperties? = null
+        initialLp: LinkProperties? = null,
+        initialConfig: NetworkAgentConfig? = null
     ): TestableNetworkAgent {
         val nc = initialNc ?: NetworkCapabilities().apply {
             addTransportType(TRANSPORT_TEST)
@@ -347,7 +351,7 @@
             addLinkAddress(LinkAddress(LOCAL_IPV4_ADDRESS, 32))
             addRoute(RouteInfo(IpPrefix("0.0.0.0/0"), null, null))
         }
-        val config = NetworkAgentConfig.Builder().build()
+        val config = initialConfig ?: NetworkAgentConfig.Builder().build()
         return TestableNetworkAgent(context, mHandlerThread.looper, nc, lp, config).also {
             agentsToCleanUp.add(it)
         }
@@ -835,4 +839,29 @@
         callbackWeaker.assertNoCallback(expectedRemainingLingerDuration)
         callbackWeaker.expectCallback<Lost>(agent1.network!!)
     }
+
+    @Test
+    @IgnoreUpTo(Build.VERSION_CODES.R)
+    fun testSetSubscriberId() {
+        val name = "TEST-AGENT"
+        val imsi = UUID.randomUUID().toString()
+        val config = NetworkAgentConfig.Builder().setSubscriberId(imsi).build()
+
+        val request: NetworkRequest = NetworkRequest.Builder()
+                .clearCapabilities()
+                .addTransportType(TRANSPORT_TEST)
+                .setNetworkSpecifier(CompatUtil.makeEthernetNetworkSpecifier(name))
+                .build()
+        val callback = TestableNetworkCallback(timeoutMs = DEFAULT_TIMEOUT_MS)
+        requestNetwork(request, callback)
+
+        val agent = createNetworkAgent(name = name, initialConfig = config)
+        agent.register()
+        agent.markConnected()
+        callback.expectAvailableThenValidatedCallbacks(agent.network!!)
+        val snapshots = runWithShellPermissionIdentity(ThrowingSupplier {
+                mCM!!.allNetworkStateSnapshots }, NETWORK_SETTINGS)
+        val testNetworkSnapshot = snapshots.findLast { it.network == agent.network }
+        assertEquals(imsi, testNetworkSnapshot!!.subscriberId)
+    }
 }