Pc-concepts Full-Rated Router ADSL2+ Manuel d'utilisateur télécharger pdf (Page 53)

5.4.5 IPOA

This topic describes how to configure an IPoA (Internet Protocol over ATM) interface on

the ADSL/Ethernet router.

Interface: The name the software uses to identify the IPoA interface.

Interface Security Type: The type of firewall protections that are in effect on the interface

(public, private, or DMZ):

z 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.

z 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.

z 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 public and private

interfaces in terms of restrictiveness

RFC 1577: Specifies whether the IPoA protocol to be used complies with the IEFT

specification named "RFC 1577 - Classical IP and ARP over ATM" (contact your ISP if unsure).

Lower interface: An IPoA interface must be associated with one or more ATM VCs that have

been defined on the system. The ATM VC is also considered an interface--one that performs

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Pc-concepts Full-Rated Router ADSL2+ Manuel d'utilisateur Page 53