Hi,
Looks like there is some other client in the network who request the ip
faster
then the one you are configuring.
You can try to find it by the mac address the will be displayed with 'show
ip
dhcp binding', or you can configure static binding by following the
instruction in here:
http://www.cisco.com/en/US/products/sw/iosswrel/ps5207/products_feature_guide
09186a008027fa7c.html
Please note that the mac address listed in the 'show ip dhcp binding' will
start with two digit hardware type and then the actual mac address.
-------------------------------------------
Regards,
Avner Izhar
Technical Instructor
CCIE #15999 (Voice)
Voice: (702) 968-5100
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________________________________
From: nobody@xxxxxxxxxxxxxx on behalf of spduo
Sent: Mon 7/2/2007 9:48 PM
To: Cisco certification
Subject: DHCP server Assigning Specific IP to client
Hi all,
An interface has been configured on a dhcp-client router to request for IP
address via DHCP (ip address dhcp) under interface configuration mode. A
DHCP
server has been configured with a pool to purposefully assign a specific
IP
address to the client, i.e. 10.1.37.7. The following is what i've
configured
on the server-end in the dhcp-pool:
ip dhcp excluded-address 10.1.37.1 10.1.37.6
ip dhcp excluded-address 10.1.37.8 10.1.37.254
!
ip dhcp pool DHCP_POOL
network 10.1.37.0 255.255.255.0
lease infinite
!
And i keep getting the following message prompt on the server-end. It
seems
the DISCOVER packet is received from the client, but server fails to
allocate..
DHCPD: DHCPDISCOVER received from client
0063.6973.636f.2d63.6330.362e.3038.6638.2e66.3130.302d.4469.31 on
interface
Virtual-Access2.1.
DHCPD: Allocate an address without class information (10.1.37.0)
I noticed that on the server it has already assigned 10.1.37.7 - but not
to
the client, besides on this segment there're only 2 routers, R3 (dhcp
server)
and SW1 (dhcp client). Despite numerous attempts to clear the binding and
reload both routers, R3 still fails to assign 10.1.37.7 to SW1.
However, if i remove the "ip dhcp excluded-address 10.1.37.1 10.1.37.6",
the
server-end router succesfully assigns 10.1.37.1 to the client - but i want
it
to assign 10.1.37.7. Am i missing anything here?
Thanks in advance guys.
Cheers,
-K
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