From: Jian Gu (guxiaojian@gmail.com)
Date: Thu Dec 14 2006 - 02:41:39 ART
You need to configure "ip dhcp snooping" as well as "ip dhcp snooping vlan
".
Why not just try it out? it is a simple command.
On 12/13/06, Kal Han <calikali2006@gmail.com> wrote:
>
> Hi
> on a catalys switch, since arp inspections look into the
> dhcp bindings to verify ip - mac bindings,
>
> ----->in dhcp environments,
>
> 1) should I enable ip dhcp globally or *also* on vlans of my interest.
>
> Example,. if I want to do arp inspections in vlan 5
>
> should I enable ip dhcp snooping vlan 5 ??
> or just a global ip dhcp snooping is sufficient ?
>
> im not very clear on using* just the "ip dhcp snooping"* command
> what exactly will it do when I dont enable per vlan dhcp snooping ?
> does it have any effect with out enabling snooping on vlan basis ?
>
> Thanks
> Kal
>
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