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DGS-3610 Series Configuration Guide Chapter 43 Dynamic ARP Inspection Configuration

43-5

To set the trust status of a port, execute the following commands in the interface

configuration mode:

Command

Function

DGS-3610(config-if)# ip arp inspection trust

Set the port as a trusted port

DGS-3610(config-if)# no ip arp inspection

trust

Set the port as an untrusted port

43.2.4 Set Maximum Receiving Rate of ARP

Packets for a Port

This command is used in the layer 2 interface configuration mode, and this layer 2 interface

is a member port of SVI.

By default, the DAI globacl check switch is turned on, and the DAI rate restriction of all ports

is 15PPS.

By default, the default ARP packet receiving rate of each untrusted switching port is 15 ARP

packets per second. By default, this does not apply to trusted switching ports.

If the number of ARP packets received through this port within one second exceeds this

threshold, the subsequent packets will be discarded.

The rate restriction of each layer 2 interface can be viewed through the show ip arp

inspection interface command.

To set the maximum ARP packet receiving rate for a port, execute the following commands

in the interface configuration mode:

Command

Function

DGS-3610(config-if)# ip arp inspection

limit-rate

{ <1-2048> | none}

Set the maximum ARP packet receiving rate for a

port, in packets/second

none: There is no restriction

DGS-3610(config-if)# no ip arp

inspection limit-rate

Restore the default setting

43.2.5 Related Configuration of DHCP

Snooping Database

Refer to DHCP Snooping Configuration.

If DHCP Snooping database is not configured, all the ARP packets pass the inspection.

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