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List: dhcp-users
Subject: Re: 1 DHCP Server - 1 interface serving multiple subnets
From: Simon Hobson <dhcp1 () thehobsons ! co ! uk>
Date: 2008-05-24 7:19:11
Message-ID: a06240814c45d712fda2f () simon ! thehobsons ! co ! uk
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Nate Beck wrote:
> I have a dhcpd 4.0.0 server with an interface 10.61.1.10 that I
>need to serve up address's to many subnets some /24 and some /23's
>all in 10.61.x.x. I have the server configured, and have set the
>cisco router with an ip helper-address for the subnets that sends
>all traffic to 10.61.1.10 but I am not getting any ip's at all from
>the server. Is there a secret to setting up a single server to
>serve multiple subnets?
No secret - just define the subnets (note: this is NOT a
shared-subnet) and configure helpers in each router.
If it isn't working you need to do some troubleshooting :
1) Look in the server logs, is the server getting any requests
2) Look in the server logs, is it giving out any offers or logging
any reasons not to ?
3) Start sniffing traffic on the wire (I use Wireshark) to see if
there is any DHCP traffic. You need to do this both on a client
network and on the server network for the full picture.
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