Chapter 18 IP Source Guard

18.6 ARP Inspection

Use this screen to enable/disable ARP Inspection. You can also use this screen to specify whether ports are trusted or untrusted and which VLANs are enabled for ARP inspection.

To open this screen, click Security > IP Source Guard > ARP Inspection > ARP Inspection.

Figure 57 ARP Inspection

The following table describes the labels in this screen.

Table 32 ARP Inspection

LABEL

DESCRIPTION

State

Use this to Enable or Disable ARP inspection on the Switch.

 

 

VLAN State

Enter the VLAN IDs you want the Switch to enable ARP Inspection

 

for. You can designate multiple VLANs individually by using a

 

comma (,) and by range with a hyphen (-).

 

 

Trusted Ports

Select the ports which are trusted and deselect the ports which

 

are untrusted.

 

The Switch does not discard ARP packets on trusted ports for any

 

reason.

 

The Switch discards ARP packets on untrusted ports in the

 

following situations:

 

• The sender’s information in the ARP packet does not match

 

any of the current bindings.

 

• The rate at which ARP packets arrive is too high. You can

 

specify the maximum rate at which ARP packets can arrive on

 

untrusted ports.

 

 

Select All

Click this to set all ports to trusted.

 

 

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GS1510 Series User’s Guide