diff --git a/bgpd/bgp_network.h b/bgpd/bgp_network.h
index 5bf2e5f..1276843 100644
--- a/bgpd/bgp_network.h
+++ b/bgpd/bgp_network.h
@@ -21,6 +21,8 @@
 #ifndef _QUAGGA_BGP_NETWORK_H
 #define _QUAGGA_BGP_NETWORK_H
 
+#define BGP_SOCKET_SNDBUF_SIZE 65536
+
 extern int bgp_socket (unsigned short, const char *);
 extern void bgp_close (void);
 extern int bgp_connect (struct peer *);