16K as mtu doesn't work, is there some hidden add to size?

diff --git a/hadaq/nettrans.c b/hadaq/nettrans.c
index bc05311dcdb7feb410fa20297b02c881ca54523c..f00b18c8fa7007cf24fa23e4926f89f2803a573e 100644 (file)
--- a/hadaq/nettrans.c
+++ b/hadaq/nettrans.c
@@ -1,4 +1,4 @@
-static char *rcsId = "$Header: /misc/hadesprojects/daq/cvsroot/eventbuilder/hadaq/nettrans.c,v 6.35 2003-12-09 15:10:47 hadaq Exp $";
+static char *rcsId = "$Header: /misc/hadesprojects/daq/cvsroot/eventbuilder/hadaq/nettrans.c,v 6.36 2003-12-09 15:20:53 hadaq Exp $";
 
 
 #define _GNU_SOURCE
@@ -50,7 +50,7 @@ static int openUdp(NetTrans *my, unsigned long addr, int port, int fl)
                my->spec.sa.sin_port = port;
                my->spec.sa.sin_addr.s_addr = addr;
        }
-       my->mtuSize = 16 * 1024;
+       my->mtuSize = 15 * 1024;
 
        if (0 > retVal) {
                syslog(LOG_DEBUG, "openUdp: %s", strerror(errno));