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Configuration Guide - Security

S1720, S2700, S5700, and S6720 V200R011C10

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, URPF, keychain, MPAC, separating the management plane from the service plane, security risks, PKI.
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Default Settings for DHCP Snooping

Default Settings for DHCP Snooping

Table 9-2 lists the default settings for DHCP snooping.

Table 9-2  Default settings for DHCP snooping

Parameter

Default Setting

DHCP snooping globally and on an interface

Disabled

Interface status

Untrusted

Location transition for DHCP snooping users

Enabled

Association between DHCP snooping and ARP

Disabled

Option 82

Disabled

Static MAC address entries generated based on dynamic DHCP snooping binding entries

Disabled

Maximum rate of sending DHCP messages to the processing unit

100 pps

Checking DHCP messages against the DHCP snooping binding table

Disabled

Checking whether the CHADDR field matches the source MAC address in the header of a DHCP Request message

Disabled

Checking whether the GIADDR field in a DHCP Request message is 0

Disabled

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Updated: 2019-03-28

Document ID: EDOC1000178177

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