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ASA dhcprelay question.

Hi all.

I am testing dhcprelay but when a follow the bellow doc everything works fine but when i change the DHCP server from IOS to windows server 2003 does not work.

http://www.cisco.com/en/US/products/ps6120/products_configuration_example09186a008075fcfb.shtml

Please let me know if there is some option at microsoft dhcp server to change it.

Thank you.

1 REPLY

Re: ASA dhcprelay question.

Hello,

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

DHCP Relay Agent

The DHCP Relay Agent component is a Bootstrap Protocol  (BOOTP) relay agent that relays Dynamic Host Configuration Protocol  (DHCP) messages between DHCP clients and DHCP servers on different IP  networks. The DHCP Relay Agent is compliant with RFC 1542,  "Clarifications and Extensions for the Bootstrap Protocol." For each IP  network segment that contains DHCP clients, either a DHCP server or a  computer acting as a DHCP Relay Agent is required.

For information about installing and configuring the DHCP Relay Agent component, see Configure the DHCP Relay Agent.

Notes

  • You cannot use the DHCP Relay Agent component on a computer running  the DHCP service, the network address translation (NAT) routing protocol  component with automatic addressing enabled, or Internet Connection  Sharing (ICS).    

  • Internet Connection Sharing and Network Bridge are not included in  Windows Server 2003, Web Edition; Windows Server 2003, Datacenter  Edition; and the Itanium-based versions of the original release of the  Windows Server 2003 operating systems.

I do not think there is something you are missing on the Server side ( do you have dhcp option 82 enabled?? )

Regards,

Julio

Julio Carvajal
Senior Network Security and Core Specialist
CCIE #42930, 2xCCNP, JNCIP-SEC
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