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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.
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(Optional) Setting the Maximum Number of SAVI Binding Entries on an Interface

(Optional) Setting the Maximum Number of SAVI Binding Entries on an Interface


An SAVI binding table is a set of the ND snooping binding table and DHCPv6 snooping binding table. When the sum of ND snooping binding entries and DHCPv6 snooping binding entries on an interface reaches the configured maximum number of SAVI binding entries, subsequent users cannot connect to the network. After the maximum number of SAVI binding entries is set, the device does not process many ND packets and DHCPv6 packets with invalid source addresses to defend against attacks.


  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number

    The interface view is displayed.

  3. Run savi max-binding-table max-number

    The maximum number of SAVI binding entries is set on the interface.

    By default, the maximum number of SAVI binding entries is the same as the number of binding entries supported by the device.

Updated: 2019-04-01

Document ID: EDOC1000178319

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