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Chapter 21 IP Source Guard
ES-2024 Series User’s Guide
167
The following table describes the labels in this screen.
21.5.2 ARP Inspection VLAN Configure
Use this screen to enable ARP inspection on each VLAN and to specify when the Switch
generates log messages for receiving ARP packets from each VLAN. To open this screen,
click Advanced Application > IP Source Guard > ARP Inspection > Configure > VLAN.
Figure 87 ARP Inspection VLAN Configure
The following table describes the labels in this screen.
Table 60 ARP Inspection Port Configure
LABEL DESCRIPTION
Port This field displays the port number. If you configure the * port, the settings
are applied to all of the ports.
Trusted State Select whether this port is a trusted port (Trusted) or an untrusted port
(Untrusted).
The Switch does not discard ARP packets on trusted ports for any reason.
The Switch discards ARP packets on untrusted ports if the sender’s
information in the ARP packet does not match any of the current bindings.
Apply Click Apply to save your changes to the Switch’s run-time memory. The
Switch loses these changes if it is turned off or loses power, so use the
Save link on the top navigation panel to save your changes to the non-
volatile memory when you are done configuring.
Cancel Click this to reset the values in this screen to their last-saved values.
Table 61 ARP Inspection VLAN Configure
LABEL DESCRIPTION
VLAN Use this section to specify the VLANs you want to manage in the section
below.
Start VID Enter the lowest VLAN ID you want to manage in the section below.
End VID Enter the highest VLAN ID you want to manage in the section below.
Apply Click this to display the specified range of VLANs in the section below.
VID This field displays the VLAN ID of each VLAN in the range specified above.
If you configure the * VLAN, the settings are applied to all VLANs.
Enabled Select Yes to enable ARP inspection on the VLAN. Select No to disable
ARP inspection on the VLAN.