Cisco Systems SF300-24P Uživatelský manuál stáhnout pdf (Strana 374)

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Security

Dynamic ARP Inspection

357 Cisco Small Business 300 Series Managed Switch Administration Guide

- Never—Disabled SYSLOG dropped packet messages.

STEP 2 Click Apply. The settings are defined, and the Running Configuration file is

updated.

Defining Dynamic ARP Inspection Interfaces Settings

Packets from untrusted ports/LAGs are checked against the ARP Access Rules

table and the DHCP Snooping Binding database if DHCP Snooping is enabled (see

the DHCP Snooping Binding Database page).

By default, ports/LAGs are ARP Inspection untrusted.

To change the ARP trusted status of a port/LAG:

STEP 1 Click Security > ARP Inspection > Interface Settings.

The ports/LAGs and their ARP trusted/untrusted status are displayed.

STEP 2 To set a port/LAG as untrusted, select the port/LAG and click Edit.

STEP 3 Select Trusted or Untrusted and click Apply to save the settings to the Running

Configuration file.

Defining ARP Inspection Access Control

To add entries to the ARP Inspection table:

STEP 1 Click Security > ARP Inspection > ARP Access Control.

STEP 2 To add an entry, click Add.

STEP 3 Enter the fields:

• ARP Access Control Name—Enter a user-created name.

• MAC Address—MAC address of packet.

• IP Address—IP address of packet.

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