1 files changed, 5 insertions, 3 deletions
diff --git a/app/lwip/lwipopts.h b/app/lwip/lwipopts.h
index e535e59..3358cad 100644
--- a/app/lwip/lwipopts.h
+++ b/app/lwip/lwipopts.h
@@ -29,6 +29,8 @@
 
 #define MTU 1500
 
+#define ICMP_TTL 64
+
 #if 0
 #define ICMP_DEBUG LWIP_DBG_ON
 #define UDP_DEBUG LWIP_DBG_ON
@@ -156,11 +158,11 @@ The STM32F4x7 allows computing and verifying the IP, UDP, TCP and ICMP checksums
 */
 
   /* CHECKSUM_GEN_IP==0: Generate checksums by hardware for outgoing IP packets.*/
-#define CHECKSUM_GEN_IP                 0
+#define CHECKSUM_GEN_IP                 1
   /* CHECKSUM_GEN_UDP==0: Generate checksums by hardware for outgoing UDP packets.*/
-#define CHECKSUM_GEN_UDP                0
+#define CHECKSUM_GEN_UDP                1
   /* CHECKSUM_GEN_TCP==0: Generate checksums by hardware for outgoing TCP packets.*/
-#define CHECKSUM_GEN_TCP                0 
+#define CHECKSUM_GEN_TCP                1 
   /* CHECKSUM_CHECK_IP==0: Check checksums by hardware for incoming IP packets.*/
 #define CHECKSUM_CHECK_IP               1
   /* CHECKSUM_CHECK_UDP==0: Check checksums by hardware for incoming UDP packets.*/