--- ./pppd/plugins/radius/util.c.orig	2015-04-17 11:43:59.687374237 -0500
+++ ./pppd/plugins/radius/util.c	2015-04-17 11:45:12.612379499 -0500
@@ -77,7 +77,7 @@
   static unsigned short int cnt = 0;
   sprintf (buf, "%08lX%04X%02hX",
 	   (unsigned long int) time (NULL),
-	   (unsigned int) getpid (),
+	   (unsigned int) getpid () % 65535,
 	   cnt & 0xFF);
   cnt++;
   return buf;