RE: no DHCP offer

Many ISP's use some type of Port Security feature to prevent you from
plugging in different devices.

Either reboot the cable modem or change the MAC on your PC to mimic the last
device plugged in... Vuala it will work for you.

If that is not the case then contact the ISP. Possibly it is configured for
static, thus no DHCP.

Regards,
 
Tyson Scott - CCIE #13513 R&S, Security, and SP
Technical Instructor - IPexpert, Inc.
Mailto: tscott_at_ipexpert.com
Telephone: +1.810.326.1444, ext. 208
Live Assistance, Please visit: www.ipexpert.com/chat
eFax: +1.810.454.0130

-----Original Message-----
From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
Sadiq Yakasai
Sent: Wednesday, January 27, 2010 11:53 AM
To: ospfv2
Cc: Cisco certification
Subject: Re: no DHCP offer

ip helpper address?

On Wed, Jan 27, 2010 at 4:28 PM, ospfv2 <ospfv2_at_gmail.com> wrote:

> Hi Experts
>
> when using cable modem, client (winXP pro) doesn't get ip address from
DHCP
> server.
> using wireshark i see no DHCP offer from ISP site. client did send DHCP
> discover.
>
> i believe the problem is on ISP site, i just don't know how to prove it.
> client succesfully get ip from other DHCP servers.
>
> i wonder why there is no DHCP offer ?
>
> Rgds
>
>
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CCIE #19963
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