diff --git a/avr/devices/r05/main/main.asm b/avr/devices/r05/main/main.asm
index 8a48ebe..01ec7f5 100644
--- a/avr/devices/r05/main/main.asm
+++ b/avr/devices/r05/main/main.asm
@@ -48,6 +48,8 @@
 ; ---------------------------------------------------------------------------
 ; generic
 
+.equ NET_MSGNUMINBUF_SIZE       =  8 ; max buffer nums in ringbuffer (global incoming)
+.equ NET_IFACE_OUTMSGBUF_SIZE   =  8 ; max buffer nums in ringbuffer (per interface outbound)
 
 
 ; ---------------------------------------------------------------------------
@@ -56,6 +58,7 @@
 
 #define MAIN_WITHOUT_MSG_HANDLING ; message handling in AppRouter!
 #define APP_STATS_NETDEV2         ; send stats for 2nd device
+#define COM_ACCEPT_ALL_DEST       ; accept all messages!
 
 #define MODULES_CLOCK
 #define MODULES_LED_SIMPLE
diff --git a/avr/devices/r05/test/main.asm b/avr/devices/r05/test/main.asm
index 6abe2ca..3a090fc 100644
--- a/avr/devices/r05/test/main.asm
+++ b/avr/devices/r05/test/main.asm
@@ -50,6 +50,9 @@
 .equ COMONUART0_IFACENUM = 1
 .equ COMONUART1_IFACENUM = 2
 
+.equ NET_MSGNUMINBUF_SIZE       =  8 ; max buffer nums in ringbuffer (global incoming)
+.equ NET_IFACE_OUTMSGBUF_SIZE   =  8 ; max buffer nums in ringbuffer (per interface outbound)
+
 
 ; ---------------------------------------------------------------------------
 ; firmware settings including list of modules used
@@ -57,6 +60,7 @@
 
 ;#define MAIN_WITHOUT_MSG_HANDLING ; we do message handling ourselfes
 ;#define APP_STATS_NETDEV2
+#define COM_ACCEPT_ALL_DEST       ; accept all messages!
 
 #define MODULES_CLOCK
 ;#define MODULES_COM