Cisco SG220-26P Administration Guide

Configuring Security
Configuring Dynamic ARP Inspection
Cisco 220 Series Smart Switches Administration Guide Release 1.1.0.x 232
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the IP address-VLAN match. If the entry exists in the DHCP Snooping
database, the packet passes through the interface.
• If the packet’s IP address is not listed in the ARP Inspection list or the DHCP
Snooping database, the switch rejects the packet.
To define ARP Inspection on VLANs:
STEP 1 Click Security > ARP Inspection > VLAN Settings.
STEP 2 Select the VLANs from the Available VLANs column and add them to the Enabled
VLANs column.
STEP 3 Click Apply. ARP Inspection settings are applied on the selected VLANs, and the
Running Configuration is updated.

Cisco SG220-26P Specifications

General

Model	SG220-26P
Ports	26
PoE Ports	24
Switching Capacity	52 Gbps
Forwarding Rate	38.69 Mpps
Layer	Layer 2
Power Supply	Internal
VLANs Supported	256
Management	Web-based GUI, SNMP
Operating Temperature	0°C to 40°C
Storage Temperature	-4°F to 158°F (-20°C to 70°C)
Operating Humidity	10% to 90% non-condensing
Storage Humidity	5% to 95% non-condensing
Dimensions	440 x 44 x 257 mm
Weight	3.3 kg