diff --git a/metrics.h b/metrics.h
index fc214de..1c9f776 100644
--- a/metrics.h
+++ b/metrics.h
@@ -261,6 +261,11 @@
     kVpnUserAuthenticationTypeMax
   };
 
+  enum DHCPOptionFailure {
+    kDHCPOptionFailure = 1,
+    kDHCPOptionFailureMax
+  };
+
   static const char kMetricDisconnect[];
   static const int kMetricDisconnectMax;
   static const int kMetricDisconnectMin;
@@ -418,6 +423,11 @@
   static const char kMetricVpnUserAuthenticationType[];
   static const int kMetricVpnUserAuthenticationTypeMax;
 
+  // We have detected that a DHCP server can only deliver leases if
+  // we reduce the number of options that we request of it.  This
+  // implies an infrastructure issue.
+  static const char kMetricDHCPOptionFailureDetected[];
+
   explicit Metrics(EventDispatcher *dispatcher);
   virtual ~Metrics();
 
@@ -578,6 +588,9 @@
   // Notifies this object about a corrupted profile.
   virtual void NotifyCorruptedProfile();
 
+  // Notifies this object about a service with DHCP infrastructure problems.
+  virtual void NotifyDHCPOptionFailure(const Service &service);
+
   // Sends linear histogram data to UMA.
   virtual bool SendEnumToUMA(const std::string &name, int sample, int max);