diff -ru linux-2.4.2-pre2-cut-tcp_rto/include/linux/sysctl.h linux-2.4.2-pre2c/include/linux/sysctl.h
--- linux-2.4.2-pre2-cut-tcp_rto/include/linux/sysctl.h	Fri Feb  9 13:31:49 2001
+++ linux-2.4.2-pre2c/include/linux/sysctl.h	Fri Feb  9 13:55:16 2001
@@ -279,6 +279,7 @@
 	NET_TCP_APP_WIN=86,
 	NET_TCP_ADV_WIN_SCALE=87,
 	NET_IPV4_NONLOCAL_BIND=88,
+	NET_TCP_RTO_MAX=89,
 };
 
 enum {
diff -ru linux-2.4.2-pre2-cut-tcp_rto/include/net/tcp.h linux-2.4.2-pre2c/include/net/tcp.h
--- linux-2.4.2-pre2-cut-tcp_rto/include/net/tcp.h	Fri Feb  9 13:32:20 2001
+++ linux-2.4.2-pre2c/include/net/tcp.h	Fri Feb  9 13:57:37 2001
@@ -335,7 +335,8 @@
 #define TCP_DELACK_MIN	4
 #define TCP_ATO_MIN	4
 #endif
-#define TCP_RTO_MAX	(120*HZ)
+#define TCP_RTO_MAX_init	(120*HZ)
+extern int TCP_RTO_MAX;
 #define TCP_RTO_MIN	(HZ/5)
 #define TCP_TIMEOUT_INIT (3*HZ)	/* RFC 1122 initial RTO value	*/
 
diff -ru linux-2.4.2-pre2-cut-tcp_rto/net/ipv4/sysctl_net_ipv4.c linux-2.4.2-pre2c/net/ipv4/sysctl_net_ipv4.c
--- linux-2.4.2-pre2-cut-tcp_rto/net/ipv4/sysctl_net_ipv4.c	Sun Nov  5 10:41:15 2000
+++ linux-2.4.2-pre2c/net/ipv4/sysctl_net_ipv4.c	Sun Nov  5 10:39:09 2000
@@ -226,6 +226,8 @@
 	 &sysctl_tcp_app_win, sizeof(int), 0644, NULL, &proc_dointvec},
 	{NET_TCP_ADV_WIN_SCALE, "tcp_adv_win_scale",
 	 &sysctl_tcp_adv_win_scale, sizeof(int), 0644, NULL, &proc_dointvec},
+	{NET_TCP_RTO_MAX, "tcp_rto_max",
+	 &TCP_RTO_MAX, sizeof(int), 0644, NULL, &proc_dointvec},
 	{0}
 };
 
diff -ru linux-2.4.2-pre2-cut-tcp_rto/net/ipv4/tcp_timer.c linux-2.4.2-pre2c/net/ipv4/tcp_timer.c
--- linux-2.4.2-pre2-cut-tcp_rto/net/ipv4/tcp_timer.c	Fri Feb  9 13:32:34 2001
+++ linux-2.4.2-pre2c/net/ipv4/tcp_timer.c	Fri Feb  9 13:29:12 2001
@@ -30,6 +30,7 @@
 int sysctl_tcp_retries1 = TCP_RETR1;
 int sysctl_tcp_retries2 = TCP_RETR2;
 int sysctl_tcp_orphan_retries;
+int TCP_RTO_MAX = TCP_RTO_MAX_init;
 
 static void tcp_write_timer(unsigned long);
 static void tcp_delack_timer(unsigned long);