diff --git a/core/java/android/net/LinkProperties.java b/core/java/android/net/LinkProperties.java
index 0a09fcb..489b8a5 100644
--- a/core/java/android/net/LinkProperties.java
+++ b/core/java/android/net/LinkProperties.java
@@ -89,7 +89,6 @@
     }
 
     public LinkProperties() {
-        clear();
     }
 
     // copy constructor instead of clone
diff --git a/core/java/android/net/ProxyInfo.java b/core/java/android/net/ProxyInfo.java
index 991d9da..ceedd98 100644
--- a/core/java/android/net/ProxyInfo.java
+++ b/core/java/android/net/ProxyInfo.java
@@ -160,6 +160,8 @@
             }
             mExclusionList = source.getExclusionListAsString();
             mParsedExclusionList = source.mParsedExclusionList;
+        } else {
+            mPacFileUrl = Uri.EMPTY;
         }
     }
 
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 3f4f295..2d0f6d1 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -5492,10 +5492,29 @@
             } catch (Exception e) {
                 loge("Exception in setDnsServersForNetwork: " + e);
             }
-            // TODO - setprop "net.dnsX"
+            NetworkAgentInfo defaultNai = mNetworkForRequestId.get(mDefaultRequest.requestId);
+            if (defaultNai != null && defaultNai.network.netId == netId) {
+                setDefaultDnsSystemProperties(dnses);
+            }
         }
     }
 
+    private void setDefaultDnsSystemProperties(Collection<InetAddress> dnses) {
+        int last = 0;
+        for (InetAddress dns : dnses) {
+            ++last;
+            String key = "net.dns" + last;
+            String value = dns.getHostAddress();
+            SystemProperties.set(key, value);
+        }
+        for (int i = last + 1; i <= mNumDnsEntries; ++i) {
+            String key = "net.dns" + i;
+            SystemProperties.set(key, "");
+        }
+        mNumDnsEntries = last;
+    }
+
+
     private void updateCapabilities(NetworkAgentInfo networkAgent,
             NetworkCapabilities networkCapabilities) {
         // TODO - what else here?  Verify still satisfies everybody?
@@ -5611,6 +5630,11 @@
                     if (mDefaultRequest.requestId == nri.request.requestId) {
                         isNewDefault = true;
                         updateActiveDefaultNetwork(newNetwork);
+                        if (newNetwork.linkProperties != null) {
+                            setDefaultDnsSystemProperties(newNetwork.linkProperties.getDnses());
+                        } else {
+                            setDefaultDnsSystemProperties(new ArrayList<InetAddress>());
+                        }
                     }
                 }
             }