ZyXEL NBG-460N User Guide - Page 143
LANs, WANs and the ZyXEL Device
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Chapter 9 LAN Table 51 Network > LAN > Advanced LABEL DESCRIPTION Active Select this if you want to let computers on different subnets use the NBG-460N. Windows Networking (NetBIOS over TCP/IP): NetBIOS (Network Basic Input/Output System) are TCP or UDP broadcast packets that enable a computer to connect to and communicate with a LAN. For some dial-up services such as PPPoE or PPTP, NetBIOS packets cause unwanted calls. However it may sometimes be necessary to allow NetBIOS packets to pass through to the WAN in order to find a computer on the WAN. Allow between LAN and WAN Select this check box to forward NetBIOS packets from the LAN to the WAN and from the WAN to the LAN. If your firewall is enabled with the default policy set to block WAN to LAN traffic, you also need to enable the default WAN to LAN firewall rule that forwards NetBIOS traffic. Apply Reset Clear this check box to block all NetBIOS packets going from the LAN to the WAN and from the WAN to the LAN. Click Apply to save your changes back to the NBG-460N. Click Reset to begin configuring this screen afresh. 9.7 Technical Reference The following section contains additional technical information about the NBG460N features described in this chapter. Refer to Section 8.3.2 on page 125 for information on Multicast. 9.7.1 LANs, WANs and the ZyXEL Device The actual physical connection determines whether the NBG-460N ports are LAN or WAN ports. There are two separate IP networks, one inside the LAN network and the other outside the WAN network as shown next. Figure 97 LAN and WAN IP Addresses LAN WAN NBG-460N User's Guide 143