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Chapter 5 Connection Status and System Info Screens
AMG1302/AMG1202-TSeries User’s Guide
71
System Up Time
This field displays how long the AMG1302/AMG1202-TSeries has been running since it
last started up. The AMG1302/AMG1202-TSeries starts up when you plug it in, when
you restart it (
Maintenance > Reboot
), or when you reset it (see
Chapter 1 on page
19
).
Current Date/
Time
This field displays the current date and time in the AMG1302/AMG1202-TSeries. You can
change this in
Maintenance > Time Setting
.
System Resource
CPU Usage
This field displays what percentage of the AMG1302/AMG1202-TSeries’s processing
ability is currently used. When this percentage is close to 100%, the AMG1302/
AMG1202-TSeries is running at full load, and the throughput is not going to improve
anymore. If you want some applications to have more throughput, you should turn off
other applications.
Memory Usage
This field displays what percentage of the AMG1302/AMG1202-TSeries’s memory is
currently used. Usually, this percentage should not increase much. If memory usage
does get close to 100% and remains like that for a high period of time, the AMG1302/
AMG1202-TSeries may become unstable and you should restart it. See
Chapter 24 on
page 221
, or turn off the device (unplug the power) for a few seconds.
LABEL
DESCRIPTION
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Chapter 5 Connection Status and System Info Screens
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72
Page 73 / 320
AMG1302/AMG1202-TSeries User’s Guide
73
C
HAPTER
6
Broadband
6.1
Overview
This chapter describes the AMG1302/AMG1202-TSeries’s
Broadband
screens. Use these screens to
configure your AMG1302/AMG1202-TSeries for Internet access.
A WAN (Wide Area Network) connection is an outside connection to another network or the
Internet. It connects your private networks (such as a LAN (Local Area Network) and other
networks, so that a computer in one location can communicate with computers in other locations.
Figure 18
LAN and WAN
6.1.1
What You Can Do in the WAN Screens
Use the
Internet Connection
screen (
Section 6.2 on page 74
) to configure the WAN settings on
the AMG1302/AMG1202-TSeries for Internet access.
Use the
More Connections
screen (
Section 6.3 on page 81
) to set up additional Internet access
connections.
6.1.2
What You Need to Know About WAN
Encapsulation Method
Encapsulation is used to include data from an upper layer protocol into a lower layer protocol. To set
up a WAN connection to the Internet, you need to use the same encapsulation method used by your
ISP (Internet Service Provider). If your ISP offers a dial-up Internet connection using PPPoE (PPP
over Ethernet) or PPPoA, they should also provide a username and password (and service name)
for user authentication.
WAN IP Address
The WAN IP address is an IP address for the AMG1302/AMG1202-TSeries, which makes it accessible
from an outside network. It is used by the AMG1302/AMG1202-TSeries to communicate with other
WAN
LAN
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Chapter 6 Broadband
AMG1302/AMG1202-TSeries User’s Guide
74
devices in other networks. It can be static (fixed) or dynamically assigned by the ISP each time the
AMG1302/AMG1202-TSeries tries to access the Internet.
If your ISP assigns you a static WAN IP address, they should also assign you the subnet mask and
DNS server IP address(es) (and a gateway IP address if you use the Ethernet or ENET ENCAP
encapsulation method).
Multicast
Traditionally, IP packets are transmitted in one of either two ways - Unicast (1 sender - 1 recipient)
or Broadcast (1 sender - everybody on the network). Multicast delivers IP packets to a group of
hosts on the network - not everybody and not just one.
IGMP
IGMP (Internet Group Multicast Protocol) is a network-layer protocol used to establish membership
in a Multicast group - it is not used to carry user data. There are three versions of IGMP. IGMP
version 2 and 3 are improvements over version 1, but IGMP version 1 is still in wide use.
IPv6
IPv6 (Internet Protocol version 6), is designed to increase IP address space and enhance features.
The AMG1302/AMG1202-TSeries supports IPv4/IPv6 dual stack and can connect to IPv4 and IPv6
networks. See (
Appendix E on page 295
) for more information about IPv6.
Finding Out More
See
Section 6.4 on page 86
for technical background information on WAN.
6.1.3
Before You Begin
You need to know your Internet access settings such as encapsulation and WAN IP address. Get this
information from your ISP.
6.2
The Internet Connection Screen
Use this screen to change your AMG1302/AMG1202-TSeries’s WAN settings. Click
Network
Setting > Broadband > Internet Connection
. The screen differs by the WAN type and
encapsulation you select.
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Chapter 6 Broadband
AMG1302/AMG1202-TSeries User’s Guide
75
Figure 19
Network Setting > Broadband > Internet Connection > Auto Sync Up

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