D-Link DGS-1510 Series Reference Manual page 227

DGS-1510 Series Gigabit Ethernet SmartPro Switch CLI Reference Guide
Switch# configure terminal
Switch(config)# ip arp inspection log-buffer entries 64
Switch(config)#
26-7 ip arp inspection trust
This command is used to trust an interface for dynamic ARP inspection. Use the no form of this
command to disable the trust state.
ip arp inspection trust
no ip arp inspection trust
Parameters
None.
Default
By default, this option is disabled.
Command Mode
Interface Configuration Mode.
Command Default Level
Level: 12.
Usage Guideline
When an interface is in the trust state, the ARP packets arriving at the interface will not be inspected.
When an interface is in the untrusted state, ARP packets arriving at the port and belongs to the VLAN
that is enabled for inspection will be inspected.
Example
This example shows how to configure port 3/0/3 to be trusted for DAI.
Switch# configure terminal
Switch(config)# interface eth3/0/3
Switch(config-if)# ip arp inspection trust
Switch(config-if)#
26-8 ip arp inspection validate
This command is used to specify the additional checks to be performed during an ARP inspection
check. Use the no form of this command to remove specific additional check.
ip arp inspection validate [src-mac] [dst-mac] [ip]
no ip arp inspection validate [src-mac] [dst-mac] [ip]
Parameters
src-mac
dst-mac
(Optional) Specifies to check for ARP requests and response
packets and the consistency of the source MAC address in the
Ethernet header against the sender MAC address in the ARP
payload.
(Optional) Specifies to check for ARP response packets and the
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