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Configuration Guide - Security

CloudEngine 8800, 7800, 6800, and 5800 V200R005C10

This document describes the configurations of Security, including ACL, local attack defense, MFF, attack defense, traffic suppression and storm control, ARP security, Port security, DHCP snooping, ND snooping, PPPoE+, IPSG, SAVI, separating the management plane from the service plane, security risks.
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Backing Up DHCP Snooping Binding Entries

Backing Up DHCP Snooping Binding Entries

Context

If binding entries are not backed up, the binding entries will be lost after the device restarts. DHCP users must log in again so that the device can generate DHCP snooping binding entries for DHCP users to communicate. After DHCP snooping binding entries are backed up, DHCP snooping binding entries can be restored after the device restarts.

Procedure

  1. Run the system-view command to display the system view.
  2. Run the dhcp snooping user-bind autosave file-name command to enable a device to back up dynamic DHCP snooping binding entries.

    By default, local automatic backup of the DHCP snooping binding table is disabled.

  3. Run the commit command to commit the configuration.
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Updated: 2019-04-20

Document ID: EDOC1100074765

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