Re: bogie DHCP server problem

Gaurav,

If you are blocking all layer 2 communication whatsoever with
switchport protected you could accomplish the task without DHCP
Snooping.

On Wed, Feb 3, 2010 at 6:07 AM, Gaurav Thukral <pearlgaurav_at_gmail.com> wrote:
> Hi Forks,
>
> You have to use dhcp snooping for this.
>
> On Wed, Feb 3, 2010 at 2:34 AM, Joe Astorino <jastorino_at_ipexpert.com> wrote:
>>
>> This was discussed in another thread yesterday. In short, yes it will
>> work. It will just severely limit you. If you want any sort of
>> communication between clients this is not a good idea. Otherwise
>> knock yourself out : )
>>
>> On Tue, Feb 2, 2010 at 3:56 PM, Iwan Hoogendoorn <iwan_at_ipexpert.com>
>> wrote:
>> > I don't think this will work ...
>> >
>> >
>> > On Mon, Feb 1, 2010 at 8:14 PM, Jack <ccie.unnumbered_at_gmail.com> wrote:
>> >> Scenario: All DHCP clients get their IP address via a DHCP server
>> >> across
>> >> VLAN.
>> >> A bogie DHCP sever may exist in one's local area that shares the same
>> >> switch.
>> >> Instead of using DHCP snooping, will setting "switchport protected" to
>> >> all
>> >> client ports work?
>> >>
>> >> Thanks,
>> >> Jack
>> >>
>> >>
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>> >>
>> >>
>> >>
>> >>
>> >>
>> >
>> >
>> >
>> > --
>> > Regards,
>> >
>> > Iwan Hoogendoorn
>> > CCIE #13084 (R&S / Security / SP)
>> > Sr. Support Engineer IPexpert, Inc.
>> > URL: http://www.IPexpert.com
>> >
>> >
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>> >
>> >
>> >
>> >
>> >
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>> >
>> >
>>
>>
>>
>> --
>> Regards,
>>
>> Joe Astorino CCIE #24347 (R&S)
>> Sr. Technical Instructor - IPexpert
>> Mailto: jastorino_at_ipexpert.com
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>> Live Assistance, Please visit: www.ipexpert.com/chat
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>>
>
>
>
> --
> Regards,
>
> Gaurav Thukral
> CCIE#21156( R&S), CCIE SP (Q)
> CCIP, CCDP, CCNA
>
>

-- 
Regards,
Joe Astorino CCIE #24347 (R&S)
Sr. Technical Instructor - IPexpert
Mailto: jastorino_at_ipexpert.com
Telephone: +1.810.326.1444
Live Assistance, Please visit: www.ipexpert.com/chat
eFax: +1.810.454.0130
IPexpert is a premier provider of Classroom and Self-Study Cisco CCNA
(R&S, Voice & Security), CCNP, CCVP, CCSP and CCIE (R&S, Voice,
Security & Service Provider) Certification Training with locations
throughout the United States, Europe and Australia. Be sure to check
out our online communities at www.ipexpert.com/communities and our
public website at www.ipexpert.com
Blogs and organic groups at http://www.ccie.net