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Cisco 500 Series Administration Guide

Cisco 500 Series
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Security
ARP Inspection
477 Cisco 500 Series Stackable Managed Switch Administration Guide
21
ARP Inspection Work Flow
To configure ARP Inspection:
STEP 1 Enable ARP Inspection and configure various options in the Security > ARP
Inspection > Properties page.
STEP 2 Configure interfaces as ARP trusted or untrusted in the Security > ARP Inspection
> Interface Setting page.
STEP 3 Add rules in the Security > ARP Inspection > ARP Access Control and ARP Access
Control Rules pages.
STEP 4 Define the VLANs on which ARP Inspection is enabled and the Access Control
Rules for each VLAN in the Security > ARP Inspection > VLAN Settings page.
Defining ARP Inspection Properties
To configure ARP Inspection:
STEP 1 Click Security > ARP Inspection > Properties.
Enter the following fields:
• ARP Inspection Status—Select to enable ARP Inspection.
• ARP Packet Validation—Select to enable the following validation checks:
- Source MAC — Compares the packets source MAC address in the
Ethernet header against the senders MAC address in the ARP request.
This check is performed on both ARP requests and responses.
- Destination MAC — Compares the packets destination MAC address in
the Ethernet header against the destination interfaces 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.
• Log Buffer Interval—Select one of the following options:
- Retry Frequency—Enable sending SYSLOG messages for dropped
packets. Entered the frequency with which the messages are sent.

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Cisco 500 Series Specifications

General IconGeneral
ModelCisco 500 Series
CategorySwitch
MountingRack-mountable
ManagementWeb-based, CLI, SNMP
Ports24, 48
Port Speed10/100/1000 Mbps
PoE SupportAvailable on some models
Switching CapacityUp to 176 Gbps
MAC Address Table Size16, 000 entries
SecurityACLs, 802.1X
Quality of Service (QoS)Yes
DimensionsVaries by model
WeightVaries by model
Humidity10% to 90% non-condensing
Power SupplyInternal
Power ConsumptionVaries by model
Jumbo Frame SupportUp to 9216 bytes

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