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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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Option 18 and Option 37 Fields Supported by DHCPv6 Snooping

Option 18 and Option 37 Fields Supported by DHCPv6 Snooping

Functions of the Option 18 and Option 37 fields are similar to that of the Option 82 field. A device inserts the Option 18 and Option 37 fields into a DHCPv6 message to record the DHCPv6 client location.


A device supports the Option 18 and Option 37 fields only after DHCPv6 snooping is enabled. For details, see Inserting the Option 18 or Option 37 Field in a DHCPv6 Message.

Updated: 2019-09-23

Document ID: EDOC1000178319

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