Cisco Catalyst 2960-XR User Manual

CHAPTER 14
Configuring Dynamic ARP Inspection
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Finding Feature Information, page 195
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Restrictions for Dynamic ARP Inspection, page 195
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Understanding Dynamic ARP Inspection, page 197
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Default Dynamic ARP Inspection Configuration, page 200
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Restrictions for Dynamic ARP Inspection, page 201
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Relative Priority of ARP ACLs and DHCP Snooping Entries, page 202
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Configuring ARP ACLs for Non-DHCP Environments , page 202
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Configuring Dynamic ARP Inspection in DHCP Environments, page 205
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How to Limit the Rate of Incoming ARP Packets, page 207
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How to Perform Validation Checks, page 209
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Monitoring DAI, page 210
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Verifying the DAI Configuration, page 211
Finding Feature Information
Your software release may not support all the features documented in this module. For the latest feature
information and caveats, see the release notes for your platform and software release.
Use Cisco Feature Navigator to find information about platform support and Cisco software image support.
To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn. An account on Cisco.com is not
required.
Restrictions for Dynamic ARP Inspection
This section lists the restrictions and guidelines for configuring Dynamic ARP Inspection on the switch.
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Dynamic ARP inspection is an ingress security feature; it does not perform any egress checking.
Catalyst 2960-XR Switch Security Configuration Guide, Cisco IOS Release 15.0(2)EX1
OL-29434-01 195

Cisco Catalyst 2960-XR Specifications

General

Stacking Bandwidth	80 Gbps
Layer Support	Layer 2 and Layer 3
Jumbo Frame Support	9198 bytes
RAM	512 MB
Input Voltage	100-240V AC
Model	Catalyst 2960-XR
Uplink Interfaces	4 x 1G SFP or 2 x 10G SFP+
Downlink Interfaces	24 or 48 x Gigabit Ethernet ports
Power Supply	Internal
MAC Address Table Size	16, 000 entries
PoE	Available on PoE models
Weight	4.5 kg
Features	energy efficiency
Stacking	Up to 8 switches
Operating Temperature	0 to 45°C