Cisco Catalyst 3750-X Command Reference

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Catalyst 3750-X and 3560-X Switch Command Reference
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Chapter 2 Catalyst 3750-X and 3560-X Switch Cisco IOS Commands
ip arp inspection limit
On a switch stack, the rate limit is calculated separately on each switch in the stack. For a cross-stack
EtherChannel, this means that the actual rate limit might be higher than the configured value. For
example, if you set the rate limit to 30 pps on an EtherChannel that has one port on switch 1 and one port
on switch 2, each port can receive packets at 29 pps without causing the EtherChannel to become
error-disabled.
The rate of incoming ARP packets on EtherChannel ports equals the sum of the incoming rate of ARP
packets from all the channel members. Configure the rate limit for EtherChannel ports only after
examining the rate of incoming ARP packets on all the channel members.
Examples This example shows how to limit the rate of incoming ARP requests on a port to 25 pps and to set the
interface monitoring interval to 5 consecutive seconds:
Switch(config)# interface gigabitethernet1/0/1
Switch(config-if)# ip arp inspection limit rate 25 burst interval 5
You can verify your settings by entering the show ip arp inspection interfaces interface-id privileged
EXEC command.
Related Commands Command Description
show inventory
interfaces
Displays the trust state and the rate limit of ARP packets for the specified
interface or all interfaces.

Cisco Catalyst 3750-X Specifications

General

Switching Capacity	160 Gbps
Stacking Bandwidth	64 Gbps
Max Stacking Units	9
Layer Support	Layer 2 and Layer 3
Form Factor	Rack-mountable
DRAM	256 MB
Flash Memory	64 MB
Model	Cisco Catalyst 3750-X Series
Ports	24 or 48 10/100/1000 Ethernet ports
Uplink Interfaces	4 SFP or 2 SFP+
Features	StackWise Plus, EnergyWise
Image	IP Base or IP Services
Operating Temperature	0 to 40°C
Operating Humidity	10 to 85% noncondensing