Factory Default Settings and Specifications
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AC1900, N900, and N450 WiFi Cable Data Gateways 
Factory Default Settings
You can return the cable data gateway to its factory default settings (see Return the WiFi 
Cable Data Gateway to Its Factory Default Settings on page  94). The following table shows 
the factory default settings.
Table 5.  Factory default settings 
Feature Default Settings
Router Login User login URL http://routerlogin.net or http://192.168.0.1
User name (case-sensitive) admin 
Login password (case-sensitive) password
Local area network 
(LAN)
LAN IP address 192.168.0.1
Subnet mask 255.255.255.0
DHCP server Enabled
DHCP range 192.168.0.2 to 192.168.0.254
DHCP start IP address 192.168.0.2
DHCP end IP address 192.168.0.254
UPnP Enabled
Wide area network 
(WAN) and security
Port scan protection Enabled
DoS protection Enabled
Default DMZ server Disabled
Respond to ping on Internet port Enabled
MTU size  Uses the maximum MTU value for best throughput
SIP ALG Enabled
NAT Enabled
Remote management over WAN Disabled
Inbound communication from the 
Internet
Disabled, except for traffic on port 80 (the HTTP port) in 
response to requests from the LAN
Outbound communication to the 
Internet
Enabled
Sites blocked None
Services blocked None