No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>Search


To have a better experience, please upgrade your IE browser.


Configuration Guide - Security

S7700 and S9700 V200R011C10

This document describes the configurations of Security, including ACL, reflective ACL, local attack defense, MFF, attack defense, traffic suppression and storm control, ARP security, port security, DHCP snooping, ND snooping, PPPoE+, IPSG, SAVI, URPF, keychain, separating the management plane from the service plane, security risks.
Rate and give feedback:
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).
Configuring the PPPoE Trusted Interface

Configuring the PPPoE Trusted Interface


To prevent bogus PPPoE servers and the security risk caused by PPPoE packets forwarded to non-PPPoE service interfaces, the interface connecting the Switch and the PPPoE server must be configured as the trusted interface. Then PPPoE protocol packets are forwarded to the PPPoE server through the trusted interface only. In addition, only the PPPoE protocol packets received on the trusted interface can be forwarded to the PPPoE client.


The trusted interface controls PPPoE protocol packets at the PPPoE discovery stage only. PPPoE service packets at the PPPoE session stage are not controlled.


  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number

    The Ethernet interface view is displayed.

  3. Run pppoe uplink-port trusted

    The interface is configured as the trusted interface.

    By default, all interfaces are untrusted interfaces.

Updated: 2019-10-18

Document ID: EDOC1000178319

Views: 152321

Downloads: 84

Average rating:
This Document Applies to these Products
Related Documents
Related Version
Previous Next