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NE40E-M2 V800R010C10SPC500 Feature Description - User Access 01

This is NE40E-M2 V800R010C10SPC500 Feature Description - User Access
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
User Types

User Types

The NE40E supports the access of individual users and leased line users.

Individual Users

Individual users log in to the NE40E through layer 2 devices such as the LAN switch and IP DSLAM. Each individual user has independent service attributes. The NE40E authenticates and charges each individual user separately.

Individual users can log in to the NE40E through PPP, 802.1x, VLAN. In the case of VLAN, users send Dynamic Host Configuration Protocol (DHCP) packets, Address Resolution Protocol (ARP) packets,ND packets, DHCPv6 packets, IPv6 packets, and IP packets to trigger authentication.

The authentication methods available for individual users are as follows:

  • PPP authentication for users who dial in through PPP

  • 802.1x authentication for users who dial in through 802.1x

Web authentication, fast authentication, binding authentication or 802.1x authentication for users who trigger the authentication by sending DHCP, ARP, or IP packets

Leased Line Users

An Ethernet interface or certain VLANs/PVCs on an interface of the NE40E can be leased to users.

A leased line may connect with multiple hosts, but the leased line users are regarded as a single user on the NE40E. The NE40E performs centralized authentication, accounting, bandwidth control, access right control, and QoS for the users.

The NE40E supports the following types of leased line:

  • Layer 2 leased line

    Figure 2-4 Layer 2 leased line access Network Diagram

    Through a layer 2 device such as a LAN switch and a DSLAM, the leased line users connect to an interface of the NE40E or the VLANs/PVCs on the interface. A leased line user uses a static IP address or dynamically obtains an IP address through DHCP.

    Layer 2 leased line services are not provided for IPv6 users.
  • Layer 3 leased line

    Figure 2-5 Layer 3 leased line access Network Diagram

    Through a layer 3 device such as a router, the layer 3 leased line users connect to an interface of the NE40E or the VLANs/PVCs under the interface. The router (not the NE40E) is responsible for allocating IP addresses to the users.

    In the case of layer-3 leased line, the NE40E functions as a forwarding router. It checks the validity of the source IP address and controls bandwidth. The router allocates IP addresses to the layer 3 leased line users.

    Layer 3 leased line services can be provided for IPv6 users.
  • PPP leased line

    The PPP leased line also accesses the NE40E through the layer-3 devices such as a router. In PPP leased line mode, a Layer 3 device accesses the NE40E as a Layer 2 user through the PPP dial-up. Therefore, the NE40E can only see one Layer 2 user, instead of the actual users under the Layer 3 device.

    The upstream packets of the layer-3 users are sent to the NE40E through the PPP link and forwarded as the packets of a single user.

    The NE40E configures a route to the layer-3 device according to the Framed-Route message sent from the RADIUS server. In this way, the downstream packets with the destination address of the PPP leased line network segment can be delivered to the PPP egress router through the PPP link.

    The numbered routed scenario on an IPv6 network provides the leased line functionality of an IPv4 network. The NE40E assigns addresses to WAN interfaces and allocates IPv6 prefixes to LAN interfaces of home gateways. The NE40E can identify only home gateways but not user terminals.
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Updated: 2019-01-02

Document ID: EDOC1100058415

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