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Configuration Guide - Security

S9300, S9300E, and S9300X 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.
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Restoring DHCP Snooping Binding Entries

Restoring DHCP Snooping Binding Entries

Context

After DHCP snooping binding entries are backed up on the remote FTP, SFTP, or TFTP server, you can restore the backup DHCP snooping binding entries.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Configure the device to obtain and restore DHCP snooping binding entries from the remote FTP, SFTP, or TFTP server.

    • Run dhcp snooping user-bind ftp load remotefilename filename host-ip ip-address username username password password

      The device is configured to obtain and restore DHCP snooping binding entries from the remote FTP server.

    • Run dhcp snooping user-bind sftp load remotefilename filename host-ip ip-address username username password password

      The device is configured to obtain and restore DHCP snooping binding entries from the remote SFTP server.

    • Run dhcp snooping user-bind tftp load remotefilename filename host-ip ip-address

      The device is configured to obtain and restore DHCP snooping binding entries from the remote TFTP server.

    NOTE:

    FTP and TFTP will bring risk to device security. The SFTP mode is recommended.

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Updated: 2019-04-01

Document ID: EDOC1000178410

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