diff --git a/vars/default_vars.yml b/vars/default_vars.yml
index a11dfa9f0..8b06cc3a6 100644
--- a/vars/default_vars.yml
+++ b/vars/default_vars.yml
@@ -161,15 +161,19 @@ wondershaper_enabled: False
 user_wan_iface: auto
 user_lan_iface: auto
 
-# Ethernet - IF NECESSARY, CUSTOMIZE THESE 4+1 VARS IN /etc/iiab/local_vars.yml
+# Ethernet - IF NECESSARY, CUSTOMIZE THESE 4+3 VARS IN /etc/iiab/local_vars.yml
 #
 # See "How do I set a static IP Address?" for eth0 in http://FAQ.IIAB.IO
 wan_ip: dhcp         # wan_ip: 192.168.1.99
 wan_netmask:         # wan_netmask: 255.255.255.0
 wan_gateway:         # wan_gateway: 192.168.1.1
 wan_nameserver:      # wan_nameserver: 192.168.1.1
-wan_ipV4LL: False    # Keep this as 'False' to strongly mandate the Static IP
-# <wan_ip> for eth0 when no DHCP is detected on the wire.
+#
+wan_try_dhcp_then_static_ip: True    # Facilitate field updates w/ cablemodems.
+dhcp_timeout: 10     # Revert to Static IP or 169.254.x.y if DHCP isn't
+# detected on the Ethernet network in 10 seconds (dhcpcd default is 30 sec).
+wan_ipV4LL: False    # Keep this as 'False' to strongly mandate Static IP
+# <wan_ip> for eth0 (and avoid 169.254.x.y when DHCP isn't detected).
 #
 # Change this to 'True' if you want the 3-steps below:
 # 1. Try to set eth0 as Static IP <wan_ip> (if 'arp <wan_gateway>' responds).