Don't push "Back" button of the Web browser.
Please enter again." > Please enter again." > subnet mask for WAN network.

Please enter again." > Please enter again." > Please enter again." > Please enter again." > Please enter again." > Please enter again." > Please enter again." > Please enter again." > Please enter again." > or "subnet mask" settings.

When you set
255.255.255.252 ( 4 IPs),
255.255.255.248 ( 8 IPs), or
255.255.255.240 (16 IPs) in "Subnet mask",
you can not set Network address or Broadcast address
in "WAN IP address for IP Masquerade"." >

Error : 9515

Software Version: 3.700
Module Version: 3.700

Firmware Version: 3.700
LAN port IP Address: 192.168.0.1   Nickname: NWG



Error at Fixed IP Address settings of WAN port.