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Page 61 / 74 Scroll up to view Page 56 - 60
ATU-R130 ADSL Ethernet Router User’s Guide
53
11
Configuring EOA Interfaces
This chapter describes how to configure an Ethernet-over-ATM interface on the ATU-R130, if one
is needed to communicate with your ISP.
Viewing Your EOA Setup
{
XE "EOA:settings"
}
To view your current EOA configuration, log into Configuration Manager,
click
Advanced
in the task bar, and then click
EOA
.
Figure 41 shows the EOA configuration page.
Figure 40. EOA Page{ XE "EOA page" }{ XE "Pages:EOA" }
The EOA table contains a row for each EOA interface currently defined on the device. The table
may contain no entries if your ISP does not use the EOA protocol.
The following table describes the fields on this page:
Field
Description
Interface
The name the software uses to identify the EOA
interface.
IPF Type
The type of IP Firewall protections in effect on the
interface (public, private, or DMZ):
A
public
interface connects to the Internet (IPoA
interfaces are typically public). Packets received on a
public interface are subject to the most restrictive set
of firewall protections defined in the software.
A
private
interface connects to your LAN, such
as the Ethernet interface. Packets received on a
private interface are subject to a less restrictive set of
protections, because they originate within the
network.
The term
DMZ
(de-militarized zone), in Internet
networking terms, refers to computers that are
available for both public and in-network accesses
(such as a company's public Web server). Packets
incoming on a DMZ interface—
whether from a LAN
or external source—
are subject to a level of protection
that is in between those for public and private
interfaces.
Lower interface
EOA interfaces are defined in software, and then
associated with lower-level software and hardware
structures (at the lowest level, they are associated
with a physical port —
the WAN port). This field should
reflect an interface name defined in the next lower
level of software over which the EOA interface will
operate. This will be an ATM VCC interface, such as
aal5-0.
Page 62 / 74
ATU-R130 ADSL Ethernet Router User’s Guide
54
Field
Description
Config IP Address
and
Net Mask
The IP address and network mask you want to assign
to the interface. If the interface will be used for
bridging with your ISP and you will not be using the
ATU-R130 as a router on your LAN, then you do not
need to specify IP information. If you enable DHCP
for this interface, then the Configured IP address will
serve only as a request to the DHCP server. The
actual address that is assigned by the ISP may differ
if this address is not available.
Use DHCP
When checked, this setting instructs the device to
accept IP information assigned dynamically by your
ISP’s DHCP server. If the interface will be used for
bridging with your ISP and you will not be routing data
through it, leave this checkbox unselected.
Default Route
Indicates whether the ATU-R130 should use the IP
address assigned to this interface, if any, as its default
route for your LAN. This can be
Enable
or
Disable
.
See Chapter 8 for an explanation of default routes.
Status
A green or red ball will display to indicate that the
interface is currently up or down, respectively. You
cannot manually enable or disable the interface; a red
ball may indicate a problem with the DSL connection.
Action
Icons you can click on to edit (
) or delete (
) the
associated EOA interface.
Adding EOA Interfaces
Follow these instructions to add an EOA interface:
1.
Click the WAN tab, and then click
EOA
in the task bar.
2.
Click
.
The EOA Interface – Add page displays, as shown in Figure 42.
Figure 41. EOA Interface – Add Page{ XE "EOA Interface – Add page" }{ XE "Pages:EOA Interface -
Add" }
3.
Select one of the predefined interface names from the EOA Interface drop down list.
4.
From the IPF Type drop-down list, select the level of IP Firewall to be used on this
interface, as defined above.
Page 63 / 74
ATU-R130 ADSL Ethernet Router User’s Guide
55
5.
In the Lower Interface field, select the lower-level interface name over which this
protocol is being configured. Typically, an EOA interface is configured to operate over
an aal5 interface, such as
aal5-0
.
If you are using the ATU-R130 as a bridge only, skip to step 7.
6.
If you are using the ATU-R130 as a router on your LAN, enter the IP address and
network mask you want to assign to the interface. This address serves as the public IP
address for your entire LAN and is usually assigned by your ISP.
Or, if your ISP will assign this information, click the Enable radio button to set up the DHCP
service.
Also, specify whether this interface should serve as the default route for your LAN for
accessing the Internet.
7.
Click
.
A confirmation page display to confirm your changes.
8.
Click
to return to the EOA page and view the new interface in the table.
9.
Click the Admin tab, and then click
Commit & Reboot
in the task bar.
10.
Click
to save your changes to permanent memory.
Page 64 / 74
ATU-R130 ADSL Ethernet Router User’s Guide
56
12
Configuring IPoA Interfaces
{
XE "IPOA:defined"
}
This chapter describes how to configure an IPoA (Internet Protocol-over-
ATM) interface on the ATU-R130.
Viewing Your IPoA Interface Setup
To configure an IPoA interface, log into Configuration Manager, click the WAN tab, and then click
IPoA
in the task bar. The IPoA page displays, as shown in Figure 43.
Figure 42. IPoA Page{ XE "IPoA page" }{ XE "Pages:IPoA" }
The IPoA table contains a row for each EOA interface currently defined on the device. The table
may initially contain no entries.
The following table describes the fields on this page:
Field
Description
Interface
The name the software uses to identify the IPoA
interface
IPoA Type
Specifies whether or not the IPoA protocol to be
used complies with the IEFT RFC 1577 "Classical
IP and ARP over ATM" (contact your ISP if
unsure).
Lower interface
IPoA interfaces are defined in software, and then
associated with lower-level software and hardware
structures (at the lowest level, they are associated
with a physical port – the WAN port). This field
should reflect an interface name defined in the
next lower level of software over which the IPoA
interface will operate. This will be an ATM VCC
interface, such as
aal5-0
.
Peer IP Address
The IP address of the remote computer you will be
connecting to via the WAN interface.
Page 65 / 74
ATU-R130 ADSL Ethernet Router User’s Guide
57
Field
Description
IPF Type
The type of IP Firewall protections that are in
effect on the interface (public, private, or DMZ):
A
public
interface connects to the Internet
(IPoA interfaces are typically public). Packets
received on a public interface are subject to the
most restrictive set of firewall protections defined
in the software.
A
private
interface connects to your LAN,
such as the Ethernet interface. Packets received
on a private interface are subject to a less
restrictive set of protections, because they
originate within the network.
The term
DMZ
(de-militarized zone), in
Internet networking terms, refers to computers that
are available for both public and in-network
accesses (such as a company's public Web
server). Packets incoming on a DMZ interface—
whether from a LAN or external source—
are
subject to a level of protection that is in between
those for public and private interfaces.
Config IP Address
and Net Mask
The IP address and network mask you want to
assign to the interface.
Status
A green or red ball will display to indicate that the
interface is currently up or down, respectively. You
cannot manually enable or disable the interface; a
down interface may indicate a problem with the
DSL connection.
Action
Icons you can click on to edit (
) or delete (
)
the associated EOA interface.
Adding IPoA Interfaces
Follow these instructions to add an IPoA interface:
1.
Display the IPoA page and click
.
The IPoA Interface – Add page displays, as shown in Figure 44.
Figure 43. IPoA Interface – Add Page{ XE "IPoA Interface – Add
page" }{ XE "Pages:IPoA Interface" }
2.
Select the next available interface name from the IPoA Interface drop-down list.
3.
In the Configured IP Address and Net Mask boxes, type the address and mask that you
want to assign to the IPoA interface.

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