Re: DHCP option 82 support on Cisco Router

Have you seen the INE's blog entry:

http://blog.ine.com/2009/07/22/understanding-dhcp-option-82/

Petr explains it perfectly.

-- 
Krzysztof Zaleski
CCVP, CCIE RS #24081
CCIE Study Kit: http://inetcon.org
2009/7/30 Ajay mehra <ajaymehra01_at_gmail.com>:
> Hi Guys,
>
> Just wanted to ask a simple question on DHCP snooping and DHCP option 82. If
> I enable insertion of DHCP option 82 in switch then what should be the right
> configs on router to support option 82.
>
> I get below messages on DHCP server (Cisco Router) when switch is inserting
> option 82.
>
> *Jul 30 06:01:25.275: DHCPD: relay information option exists, but giaddr is
> zero.
> *Jul 30 06:01:29.275: DHCPD: inconsistent relay information.
> *Jul 30 06:01:29.279: DHCPD: relay information option exists, but giaddr is
> zero.
>
> Also what is the significance of giaddr?
>
> Thanks,
> Ajay
>
>
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