
Advanced > LAN
Configure the NB9/NB9W’s LAN IP address and subnet mask. Save button only saves the LAN configuration data. Save/Reboot button saves the LAN configuration data and reboots the NB9/NB9W to make the new configuration effective.
Field
Means
LAN IP Address  | Default: 192.168.1.1. The LAN IP address of your NB9/NB9W.  | 
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LAN Subnet Mask  | Default: 255.255.255.0. The subnet mask of your NB9/NB9W. A subnet mask is used to  | 
  | determine what subnet an IP address belongs to. For more information on subnetting see  | 
  | http://www.ralphb.net/IPSubnet/.  | 
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Enable UPnP | Universal plug and play (UPnP) allows traffic to pass through the NB9/NB9W for applications  | 
  | using the UPnP protocol. This feature requires one active WAN connection. In addition, the  | 
  | client connecting to the NB9/NB9W should support this feature.  | 
  | UPnP also supports NAT Traversal which can automatically solve many   | 
  | communications problems. UPnP enables applications to assign dynamic port mappings to  | 
  | the NB9/NB9W and delete them when connections are complete. | 
  | A typical example is the MSN Messenger application that runs on Windows. Instead of  | 
  | manually setting up the port mappings UPnP enables MSN Messenger to make the request  | 
  | to the NB9/NB9W which will setup these ports dynamically. When MSN Messenger is closed  | 
  | the port openings will be removed from the NB9/NB9W’s configuration.  | 
  | Configure the second IP address and subnet mask for LAN interface. It is possible to  | 
  | configure the second IP address to access the NB9/NB9W on. Once this box is checked you  | 
  | are able to enter the IP address and subnet mask.  | 
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Disable DHCP Server  | Disables the DHCP server. Only to be done if Static IP address is set up.  | 
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Enable DHCP Server  | Default: Enabled.  | 
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Start IP Address  | Default: 192.168.1.2. The first IP address that will be issued to the first DHCP client  | 
  | connecting to the NB9/NB9W using Ethernet cable or wirelessly.  | 
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End IP Address  | Default: 192.168.1.254. The last IP address in the DHCP pool to be issued to DHCP clients  | 
  | connecting to the NB9/NB9W.  | 
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Lease Time  | Default: 24 hours. The time an IP address is assigned to a client before being renewed.  | 
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46  | NB9/NB9W ADSL2+ VoIP Router | 
  | YML790 Rev8  |