diff --git a/headers/os/net/NetworkDevice.h b/headers/os/net/NetworkDevice.h
index 6dbf194f01..5b46a07f01 100644
--- a/headers/os/net/NetworkDevice.h
+++ b/headers/os/net/NetworkDevice.h
@@ -31,6 +31,7 @@ public:
 			void				SetTo(const char* name);
 
 			const char*			Name() const;
+			uint32				Index() const;
 
 			uint32				Flags() const;
 			bool				HasLink() const;
diff --git a/src/kits/network/libnetapi/NetworkDevice.cpp b/src/kits/network/libnetapi/NetworkDevice.cpp
index 15da58a5f5..a500861743 100644
--- a/src/kits/network/libnetapi/NetworkDevice.cpp
+++ b/src/kits/network/libnetapi/NetworkDevice.cpp
@@ -137,6 +137,17 @@ BNetworkDevice::Name() const
 }
 
 
+uint32
+BNetworkDevice::Index() const
+{
+	ifreq request;
+	if (do_request(request, Name(), SIOCGIFINDEX) != B_OK)
+		return 0;
+
+	return request.ifr_index;
+}
+
+
 uint32
 BNetworkDevice::Flags() const
 {