>Firstly, sorry for the repeated submission, I dont see my psoting under the
>main heading so I am forced to post it again..
>
>here is my question...
>
> I have 2 DHCP servers and I have defined both the IP helper addressess in
>our routers
>
>Now, if a client quieries for an IP, which of the servers will respond
>first?
Assuming your helper addresses and topologies are correct, both
servers have an equal chance of responding. Which server responds
first will largely be a matter of chance, although, I suppose, there
is a slightly greater chance that the first server in the list will
get the message first.
If the DHCP servers are truly independent, as would usually be the
case, the client might very well receive more than one response.
Can you verify, either from your servers yourself, with a sniffer, or
even (worst case) a router debug, that the requests are reaching the
servers?
>
>The problem I have is we have defined one subnet in DHCP Server and not in
>the other.
>
>When this user is querying for an IP , he is not getting a response.
>
>interface Ethernet0
> ip address 10.X.X.X 255.255.0.0
> ip helper-address 10.X.1.X
> ip helper-address 10.X.1.Y
>
>The said subnet is defined in the DHCP server 10.102.1.Y but, still there
>is no response. when the client requests.
>
>The main reason we have 2 DHCP servers is for redundancy.
>
>Please note that they are independant of each other .
>
>Does this mean that , when the client is requesting, the router first
>forwards to the first DHCP server and since it is not getting a response ,
>is dropping it?
>
>Thanks
>
>Gayathri
>
>
>
>
>
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