--- /usr/lib/systemd/system/dhcpcd.service	2013-11-06 14:55:28.000000000 +0600
+++ dhcpcd.service	2013-11-06 14:55:42.000000000 +0600
@@ -4,7 +4,7 @@
 Before=network.target
 
 [Service]
-ExecStart=/sbin/dhcpcd -q --nobackground
+ExecStart=/sbin/dhcpcd -t 120 -q --nobackground
 
 [Install]
 WantedBy=multi-user.target