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Chapter 9 LAN
NBG-460N User’s Guide
153
9.7 Technical Reference
The following section contains additional technical information about the NBG-
460N features described in this chapter.
Refer to Section 8.3.2 on page 135 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 108 LAN and WAN IP Addresses
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.
Clear this check box to block all NetBIOS packets going from the
LAN to the WAN and from the WAN to the LAN.
Apply Click Apply to save your changes back to the NBG-460N.
Reset Click Reset to begin configuring this screen afresh.
Table 54 Network > LAN > Advanced
LABEL DESCRIPTION
WAN
LAN