diff -up ppp-2.4.4/pppd/sys-linux.c.new_speeds ppp-2.4.4/pppd/sys-linux.c
--- ppp-2.4.4/pppd/sys-linux.c.new_speeds	2008-05-12 17:44:11.000000000 -0400
+++ ppp-2.4.4/pppd/sys-linux.c	2008-05-12 17:50:51.000000000 -0400
@@ -849,6 +849,30 @@ struct speed {
 #ifdef B921600
     { 921600, B921600 },
 #endif
+#ifdef B1000000
+    { 1000000, B1000000 },
+#endif
+#ifdef B1152000
+    { 1152000, B1152000 },
+#endif
+#ifdef B1500000
+    { 1500000, B1500000 },
+#endif
+#ifdef B2000000
+    { 2000000, B2000000 },
+#endif
+#ifdef B2500000
+    { 2500000, B2500000 },
+#endif
+#ifdef B3000000
+    { 3000000, B3000000 },
+#endif
+#ifdef B3500000
+    { 3500000, B3500000 },
+#endif
+#ifdef B4000000
+    { 4000000, B4000000 },
+#endif
     { 0, 0 }
 };