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NE40E V800R010C10SPC500 Configuration Guide - User Access 01

This is NE40E V800R010C10SPC500 Configuration Guide - User Access
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Configuring an Address Assignment Mode

Configuring an Address Assignment Mode

This section describes how to configure an address assignment mode in L2TP access scenarios so that users can access the network using dynamically assigned or statically configured IP addresses.


In L2TP access scenarios, the LAC is responsible for user access, and the LNS assigns IP addresses to users.

Perform the following steps on the NE40E.


  1. Run system-view

    The system view is displayed.

  2. Run aaa

    The AAA view is displayed.

  3. Run bgp over lns enable

    BGP is enabled to iterate UNR routes so that the routes between devices attached to a CPE and the BRAS are reachable.

    Clients are attached to a CPE which is connected to an LNS through an LAC. The CPE uses L2TP dial-up to obtain an IP address from the LNS functioning as a BRAS. After the LNS learns the BGP route from the CPE, traffic cannot be forwarded through the BGP route between clients, or other devices attached to the CPE and the BRAS. You can enable BGP to dynamically learn and iterate UNR routes so that the CPE and the attached devices can communicate with the LNS.

  4. For details about address management, see IPv4 Address management and IPv6 Address Management.
Updated: 2019-01-03

Document ID: EDOC1100055031

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