Ip Arp Inspection Limit - Motorola EX-3524 Cli Reference Manual

Layer 2 gigabit ethernet poe/poe+ switch
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Chapter 8
| General Security Measures
ARP Inspection

ip arp inspection limit

Default Setting
Disabled on all VLANs
Command Mode
Global Configuration
Command Usage
When ARP Inspection is enabled globally with the
it becomes active only on those VLANs where it has been enabled with this
command.
When ARP Inspection is enabled globally and enabled on selected VLANs, all
ARP request and reply packets on those VLANs are redirected to the CPU and
their switching is handled by the ARP Inspection engine.
When ARP Inspection is disabled globally, it becomes inactive for all VLANs,
including those where ARP Inspection is enabled.
When ARP Inspection is disabled, all ARP request and reply packets bypass the
ARP Inspection engine and their manner of switching matches that of all other
packets.
Disabling and then re-enabling global ARP Inspection will not affect the ARP
Inspection configuration for any VLANs.
When ARP Inspection is disabled globally, it is still possible to configure ARP
Inspection for individual VLANs. These configuration changes will only become
active after ARP Inspection is globally enabled again.
Example
Console(config)#ip arp inspection vlan 1,2
Console(config)#
This command sets a rate limit for the ARP packets received on a port. Use the no
form to restore the default setting.
Syntax
ip arp inspection limit {rate pps | none}
no ip arp inspection limit
pps - The maximum number of ARP packets that can be processed by the
CPU per second on trusted or untrusted ports. (Range: 0-2048, where 0
means that no ARP packets can be forwarded)
none - There is no limit on the number of ARP packets that can be
processed by the CPU.
– 260 –
ip arp inspection
command,

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