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Global settings – Dell PowerEdge VRTX User Manual

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378

FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Dell Plasma\User

Guide\Plasma_UGSwitching_ARP.fm

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The following additional validation checks may be configured by the user:

• Source MAC — Compares the packet’s source MAC address in the

Ethernet header against the sender’s MAC address in the ARP request.

This check is performed on both ARP requests and responses.

• Destination MAC — Compares the packet’s destination MAC address in

the Ethernet header against the destination interface’s MAC address. This

check is performed for ARP responses.

• IP Addresses — Compares the ARP body for invalid and unexpected IP

addresses. Addresses include 0.0.0.0, 255.255.255.255, and all IP Multicast

addresses.

Global Settings

To enable ARP inspection on the device:

1 Click Switching > Dynamic ARP Inspection > Global Settings in the

tree view to display the Global Settings page.

2 Enter the fields:

Enable ARP Inspection — Enable/disable ARP inspection.

ARP Inspection Validate — Enable/disable the following checking

source MAC address, destination MAC address and IP addresses

against the respective addresses in the ARP body.

Minimal Syslog Interval (0 – 86400) — Enter the minimum time

interval between successive ARP SYSLOG messages.

Setting Dynamic ARP Inspection Global Settings Using CLI Commands

The following table summarizes the CLI commands for configuring the fields

in the

Global Settings pages

.

Table 16-1. ARP Inspection Global Settings CLI Commands

CLI Command

Description

ip arp inspection

no ip arp inspection

Enables ARP inspection.
Use the no form of this command to

disable ARP inspection.