diff -ur sbin/dhclient.orig/dhclient.8 sbin/dhclient/dhclient.8
--- sbin/dhclient.orig/dhclient.8	2008-07-12 09:40:39.000000000 +0300
+++ sbin/dhclient/dhclient.8	2008-07-12 09:53:17.000000000 +0300
@@ -83,6 +83,8 @@
 Specify an alternate location,
 .Ar file ,
 for the leases file.
+.It Fl t Ar timeout
+Specify how many seconds to wait for link.
 .It Fl q
 Forces
 .Nm
diff -ur sbin/dhclient.orig/dhclient.c sbin/dhclient/dhclient.c
--- sbin/dhclient.orig/dhclient.c	2008-07-12 09:40:39.000000000 +0300
+++ sbin/dhclient/dhclient.c	2008-07-12 09:53:46.000000000 +0300
@@ -312,13 +312,14 @@
 	int			 ch, fd, quiet = 0, i = 0;
 	int			 pipe_fd[2];
 	int			 immediate_daemon = 0;
+	int			 link_timeout = 10;
 	struct passwd		*pw;
 
 	/* Initially, log errors to stderr as well as to syslogd. */
 	openlog(__progname, LOG_PID | LOG_NDELAY, DHCPD_LOG_FACILITY);
 	setlogmask(LOG_UPTO(LOG_DEBUG));
 
-	while ((ch = getopt(argc, argv, "bc:dl:qu")) != -1)
+	while ((ch = getopt(argc, argv, "bc:dl:t:qu")) != -1)
 		switch (ch) {
 		case 'b':
 			immediate_daemon = 1;
@@ -335,6 +336,13 @@
 		case 'q':
 			quiet = 1;
 			break;
+		case 't':
+			link_timeout = (int)strtol(optarg, (char **)NULL, 10);
+			if (link_timeout < 0)
+			   link_timeout = 0;
+			if (link_timeout > 10)
+			   link_timeout = 10;
+			break;
 		case 'u':
 			unknown_ok = 0;
 			break;
@@ -378,7 +386,7 @@
 		while (!interface_link_status(ifi->name)) {
 			fprintf(stderr, ".");
 			fflush(stderr);
-			if (++i > 10) {
+			if (++i > link_timeout) {
 				fprintf(stderr, " giving up\n");
 				exit(1);
 			}
@@ -455,7 +463,8 @@
 	extern char	*__progname;
 
 	fprintf(stderr, "usage: %s [-bdqu] ", __progname);
-	fprintf(stderr, "[-c conffile] [-l leasefile] interface\n");
+	fprintf(stderr, "[-t link timeout] [-c conffile] ");
+	fprintf(stderr, "[-l leasefile] interface\n");
 	exit(1);
 }