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NE20E-S2 V800R010C10SPC500 Configuration Guide - Security 01

This is NE20E-S2 V800R010C10SPC500 Configuration Guide - Security
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Maintaining DHCP Snooping

Maintaining DHCP Snooping

This section describes how to delete statistics on Dynamic Host Configuration Protocol (DHCP) snooping globally.

Clearing Statistics on the Number of Discarded DHCP Packets

The clearing statistics on the number of discarded Dynamic Host Configuration Protocol (DHCP) packets function allows the device to clear statistics on the number of discarded DHCP packets.

Usage Scenario

After the alarm functions are enabled, the system collects statistics on the number of discarded DHCP packets. You can run the display dhcp snooping command to view the statistics. To ensure accuracy, you can clear the existing statistics.
Statistics on discarded DHCP packets cannot be restored after you clear them. Therefore, exercise cautions before you clear the statistics.

Procedure

  • Run the reset dhcp snooping statistics { vlan vlan-id [ interface interface-type interface-number] | interface interface-type interface-number | bridge-domain bd-id } command in the system view to clear statistics on the number of discarded DHCP packets.

Clearing Statistics About Packets Matching a DHCP Snooping Whitelist Rule

This section describes how to clear statistics about packets matching a DHCP snooping whitelist rule.

Usage Scenario

After the DHCP snooping whitelist function is configured, the system collects statistics about packets matching DHCP snooping whitelists. You can run the display dhcp snooping white-list [ rule-id rule-id ] [ slot slot-id ] statistics command to check statistics about packets matching a DHCP snooping whitelist rule. Before running the display command to check statistics about packets matching a DHCP snooping whitelist rule, clear existing statistics.
The statistics about packets matching a DHCP snooping whitelist rule cannot be restored after you clear them. Therefore, excise cautions before you clear the statistics.

Procedure

Run the reset dhcp snooping white-list [ rule-id rule-id ] [ slot slot-id ] statistics command in the system view to clear statistics about packets matching a DHCP snooping whitelist rule.

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Updated: 2019-01-02

Document ID: EDOC1100055397

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