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Page 61 / 236 Scroll up to view Page 56 - 60
Chapter 8 WAN
EMG2926-Q10A User’s Guide
61
8.4.2
PPPoE Encapsulation
The EMG2926-Q10A supports PPPoE (Point-to-Point Protocol over Ethernet). PPPoE is an IETF
standard (RFC 2516) specifying how a personal computer (PC) interacts with a broadband modem
(DSL, cable, wireless, etc.) connection. The
PPP over Ethernet
option is for a dial-up connection
using PPPoE.
For the service provider, PPPoE offers an access and authentication method that works with existing
access control systems (for example Radius).
One of the benefits of PPPoE is the ability to let you access one of multiple network services, a
function known as dynamic service selection. This enables the service provider to easily create and
offer new IP services for individuals.
Operationally, PPPoE saves significant effort for both you and the ISP or carrier, as it requires no
specific configuration of the broadband modem at the customer site.
By implementing PPPoE directly on the EMG2926-Q10A (rather than individual computers), the
computers on the LAN do not need PPPoE software installed, since the EMG2926-Q10A does that
part of the task. Furthermore, with NAT, all of the LANs’ computers will have access.
Apply
Click
Apply
to save your changes back to the EMG2926-Q10A.
Cancel
Click
Cancel
to begin configuring this screen afresh.
Table 14
Network > WAN > Internet Connection: IPoE Encapsulation (continued)
LABEL
DESCRIPTION
Page 62 / 236
Chapter 8 WAN
EMG2926-Q10A User’s Guide
62
This screen displays when you select
PPPoE
encapsulation.
Figure 28
Network > WAN > Internet Connection: PPPoE Encapsulation (IPv4 Only)
Page 63 / 236
Chapter 8 WAN
EMG2926-Q10A User’s Guide
63
The following table describes the labels in this screen.
Table 15
Network > WAN > Internet Connection: PPPoE Encapsulation
LABEL
DESCRIPTION
ISP Parameters for Internet Access
Encapsulation
Select
PPPoE
if you connect to your Internet via dial-up.
IPv4 / IPv6
Select
IPv4 Only
if you want the EMG2926-Q10A to run IPv4 only.
Select
Dual Stack
to allow the EMG2926-Q10A to run IPv4 and IPv6 at the same time.
Select
IPv6 Only
if you want the EMG2926-Q10A to run IPv6 only.
PPP Information
PPP Username
Type the user name given to you by your ISP.
PPP Password
Type the password associated with the user name above.
MTU Size
Enter the Maximum Transmission Unit (MTU) or the largest packet size per frame that
your EMG2926-Q10A can receive and process.
PPP Auto Connect
Select this option if you do not want the connection to time out.
Idle Timeout
(second)
This value specifies the time in minutes that elapses before the router automatically
disconnects from the PPPoE server.
PPPoE Service
Name
Enter the PPPoE service name specified in the ISP account.
WAN IP Address Assignment
Get automatically
from ISP
Select this option If your ISP did not assign you a fixed IP address. This is the default
selection.
Use Fixed IP
Address
Select this option If the ISP assigned a fixed IP address.
My WAN IP
Address
Enter your WAN IP address in this field if you selected
Use Fixed IP Address
.
6RD
Use IPv6 Rapid Deployment (6rd) when the local network uses IPv6 and the ISP has an IPv4 network. When
the EMG2926-Q10A has an IPv4 WAN address and you set IPv6/IPv4 mode to
IPv4 Only
, you can enable 6rd
to encapsulate IPv6 packets in IPv4 packets to cross the ISP’s IPv4 network.
The EMG2926-Q10A generates a global IPv6 prefix from its IPv4 WAN address and tunnels IPv6 traffic to the
ISP’s Border Relay router to connect to the native IPv6 Internet. The local network can also use IPv4 services.
The EMG2926-Q10A uses its configured IPv4 WAN IP to route IPv4 traffic to the IPv4 Internet.
This is available only when you select
IPv4 Only
in the
IPv6/IPv4
field.
Enable 6RD
Enable IPv6 rapid deployment to tunnel IPv6 traffic from the local network through the
ISP’s IPv4 network.
Automatically
configured by
DHCPC
Select this to have the EMG2926-Q10A detect the relay server’s IP address automatically
through DHCP.
Manually
Configured
Select this if you have the IPv4 address of the relay server.
Border Relay IPv4
Address
Specify the relay server’s IPv4 address.
Service Provider
IPv6 Prefix
Enter an IPv6 prefix for tunneling IPv6 traffic to the ISP’s Border Relay router and
connecting to the native IPv6 Internet.
Service Provider
IPv6 Prefix length
Enter the IPv6 prefix length.
An IPv6 prefix length specifies how many most significant bits (starting from the left) in
the address compose the network address.
IPv4 mask length
Enter the subnet mask number (1~32) for the IPv4 network.
Page 64 / 236
Chapter 8 WAN
EMG2926-Q10A User’s Guide
64
8.5
Advanced WAN Screen
To change your EMG2926-Q10A’s advanced WAN settings, click
Network
>
WAN
>
Advanced
.
The screen appears as shown.
Figure 29
Network > WAN > Advanced
DNS Server
First DNS Server
Second DNS
Server
Third DNS Server
Select
Obtained From ISP
if your ISP dynamically assigns DNS server information (and
the EMG2926-Q10A's WAN IP address). The field to the right displays the (read-only)
DNS server IP address that the ISP assigns.
Select
User-Defined
if you have the IP address of a DNS server. Enter the DNS server's
IP address in the field to the right.
Select
None
if you do not want to configure DNS servers. If you do not configure a DNS
server, you must know the IP address of a computer in order to access it.
WAN MAC Address
The MAC address section allows users to configure the WAN port's MAC address by using
the EMG2926-Q10A’s MAC address, copying the MAC address from a computer on your
LAN or manually entering a MAC address.
Factory default
Select
Factory default
to use the factory assigned default MAC Address.
Clone the
computer’s MAC
address - IP
Address
Select
Clone the computer's MAC address - IP Address
and enter the IP address of
the computer on the LAN whose MAC you are cloning.
Set WAN MAC
Address
Select this option and enter the MAC address you want to use.
IPv6 DNS server
This is not available when you select
IPv4 Only
in the
IPv6/IPv4
field.
Obtain IPv6 DNS
info Automatically
Select this to have the EMG2926-Q10A get the IPv6 DNS server addresses from the ISP
automatically.
Use the following
Static DNS IPv6
Address
Select this to have the EMG2926-Q10A use the IPv6 DNS server addresses you configure
manually.
IPv6 DNS Server
Enter the IPv6 DNS server address assigned by the ISP.
Apply
Click
Apply
to save your changes back to the EMG2926-Q10A.
Cancel
Click
Cancel
to begin configuring this screen afresh.
Table 15
Network > WAN > Internet Connection: PPPoE Encapsulation (continued)
LABEL
DESCRIPTION
Page 65 / 236
Chapter 8 WAN
EMG2926-Q10A User’s Guide
65
The following table describes the labels in this screen.
Table 16
Network > WAN > Advanced
LABEL
DESCRIPTION
Multicast Setup
Multicast
Select
IGMPv1/v2
to enable multicasting. This applies to traffic routed from the
WAN to the LAN.
Select
None
to disable this feature. This may cause incoming traffic to be dropped or
sent to all connected network devices.
Auto-Subnet Configuration
Enable Auto-IP-
Change mode
Select this option to have the EMG2926-Q10A change its LAN IP address to 10.0.0.1
or 192.168.1.1 accordingly when the EMG2926-Q10A gets a dynamic WAN IP
address in the same subnet as the LAN IP address 192.168.1.1 or 10.0.0.1.
The NAT, DHCP server and firewall functions on the EMG2926-Q10A are still available
in this mode.
Apply
Click
Apply
to save your changes back to the EMG2926-Q10A.
Cancel
Click
Cancel
to begin configuring this screen afresh.

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