Nortel Networks NB5PLUS4/W - Manual (Page 29)

YML754 Rev1 NB5Plus4/W User Guide
www.netcomm.com.au
Option Description
Option­s: NAT / Firewall NAT (Network Address Translation al-
lows you to share the public IP ad-
dress assigned to the WAN (Wide Area
Network) interface of your modem with
multiple clients on your LAN (Local
Area Network). NAT also acts as a basic
firewall. The firewall feature protects the
PCs on your LAN from malicious attacks
from people on the Internet (e.g. DOS
attacks).
VLAN ID If you decide to share this connection
with a VLAN, this field will be enabled
and you need to select your VLAN ID.
For example, if you have your Ethernet
interface in LAN Group 1 and your USB
interface in LAN Group 2 you can create
a VLAN for both groups to access each
other. 1
Priority Bits Set the priority bit of the Ethernet frame
if using a VLAN.
1 For more information on VLANs visit http://www.javvin.com/protocol/VLAN.html.