DAI (Dynamic Arp Inspection) is built on DHCP snooping. It utilizes its
database.
IMHO, I think that you would have to have option1 combined with option2
together.

On Thu, Mar 3, 2011 at 10:42 AM, Serious CCIE <[email protected]> wrote:

> Hi,
>
> Will these do the same job? option#2 will save some time in typing as it
> applies to the whole vlan/port while option#2 is for an specific port.
>
> what are your thoughts?
>
> Option#1
> !
> ip dhcp snooping binding aaa.aaa.aaa vlan 10 11.11.11.11 interface 48
> ip arp inspection vlan 10
> !
>
> -----------Vs---------------
>
> option#2
> !
> arp access-list ARP_ACL
>  permit ip host 11.11.11.11 mac host aaa.aaa.aaa
> !
> ip arp inspection filter ARP_ACL vlan 10
> ip arp inspection vlan 10
>
>
>
> _______________________________________________
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>


-- 
Bruno Fagioli (by Jaunty Jackalope)
Cisco Security Professional
_______________________________________________
For more information regarding industry leading CCIE Lab training, please visit 
www.ipexpert.com

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