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Arp inspection commands, 1 command summary, Arp inspection commands (35) – ZyXEL Communications ZyXEL Dimension ES-2024PWR User Manual

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Ethernet Switch CLI Reference Guide

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H A P T E R

6

ARP Inspection Commands

Use these commands to filter unauthorized ARP packets in your network.

6.1 Command Summary

The following section lists the commands for this feature.

Table 14 arp inspection Command Summary

COMMAND

DESCRIPTION

M

P

show arp inspection

Displays ARP inspection configuration details.

E

3

arp inspection

Enables ARP inspection on the Switch. You still have to

enable ARP inspection on specific VLAN and specify trusted

ports.

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no arp inspection

Disables ARP inspection on the Switch.

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Table 15 Command Summary: arp inspection filter

COMMAND

DESCRIPTION

M

P

show arp inspection filter
[<mac-addr>] [vlan <vlan-id>]

Displays the current list of MAC address filters that were

created because the Switch identified an unauthorized ARP

packet. Optionally, lists MAC address filters based on the

MAC address or VLAN ID in the filter.

E

3

no arp inspection filter <mac-
addr
> vlan <vlan-id>

Specifies the ARP inspection record you want to delete from

the Switch. The ARP inspection record is identified by the

MAC address and VLAN ID pair.

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clear arp inspection filter

Delete all ARP inspection filters from the Switch.

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arp inspection filter-aging-time
<1-2147483647>

Specifies how long (1-2147483647 seconds) MAC address

filters remain in the Switch after the Switch identifies an

unauthorized ARP packet. The Switch automatically deletes

the MAC address filter afterwards.

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arp inspection filter-aging-time
none

Specifies the MAC address filter to be permanent.

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no arp inspection filter-aging-
time

Resets how long (1-2147483647 seconds) the MAC address

filter remains in the Switch after the Switch identifies an

unauthorized ARP packet to the default value.

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Table 16 Command Summary: arp inspection log

COMMAND

DESCRIPTION

M

P

show arp inspection log

Displays the log settings configured on the Switch. It also

displays the log entries recorded on the Switch.

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3

clear arp inspection log

Delete all ARP inspection log entries from the Switch.

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