From: Kal Han (calikali2006@gmail.com)
Date: Mon Nov 20 2006 - 17:49:16 ART
Thanks everyone.
It worked now.
Like you guys said,
I dont need to exclude-address from the pool.
and also I had to provide the client ID.
It worked after I made these two changes.
Thanks
Kal
On 11/18/06, Scott Morris <swm@emanon.com> wrote:
>
> The same works for Cisco equipment. The DHCP specification (RFC) REQUIRES
> that if a client-id is presented, that MUST be used to match, not the
> hardware address.
>
> HTH,
>
>
> Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713, JNCIE
> #153, CISSP, et al.
> CCSI/JNCI-M/JNCI-J
> IPExpert VP - Curriculum Development
> IPExpert Sr. Technical Instructor
> smorris@ipexpert.com
> http://www.ipexpert.com
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Ismail AlShelh
> Sent: Saturday, November 18, 2006 12:58 PM
> To: Kal Han; Groupstudy; Cisco certification
> Subject: RE: DHCP question - manual binding
>
> did you try to use client-identifier command ?
>
> You should add 01 in the begining of the mac address
>
> If you revised the documentation you will see the following :
>
> -----------------------------------------------
> Microsoft clients require client identifiers instead of hardware
> addresses.
> The unique identification of the client is specified in dotted hexadecimal
> notation, for example, 01b7.0813.8811.66, where 01 represents the Ethernet
> media type.
> ------------------------------------------------------
>
> what is the fact behind this, I understood from what mentioned that we
> should not use hardware address command incase our client is Microsoft,
> what
> is the rational behind this ?
>
>
> Thanks in advance
>
> Ismail
>
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com on behalf of Kal Han
> Sent: Sat 11/18/2006 4:08 AM
> To: Groupstudy; Cisco certification
> Subject: DHCP question - manual binding
>
> Hi
> I want to create a dhcp pool and assign IPs from that pool.
> But there is a server known by a name, for which I want to assign the same
> IP everytime. ( which ever host machine is configured with that name,
> after
> it reboots, that machine should get a specific IP )
>
> eg,.
> server name: filter-test8 ( mac-add = 00a0.c981.bd91 ) <--- this host
> desired IP: 172.16.1.100 <---
> this IP.
>
> I tried to get this working but couldnt .. so far.
> Here is my config.
>
> ip dhcp excluded-address 172.16.1.1
> ip dhcp excluded-address 172.16.1.12
> ip dhcp excluded-address 172.16.1.100 <-------- should I exclude from the
> pool ???
> !
> ip dhcp pool LAB5 <------------------only for the sake of this server
> host 172.16.1.100 255.255.255.0
> hardware-address 00a0.c981.bd91 ieee802
> client-name filter-test8
> default-router 172.16.1.1
> !
> ip dhcp pool ALL <----------------- my whole pool
> import all
> network 172.16.1.0 255.255.255.0
> default-router 172.16.1.1
> !
>
> when I do the show IP dhcp bindings, I see ( looks correct ) Bindings from
> all pools not associated with VRF:
> IP address Client-ID/ Lease expiration Type
> Hardware address/
> User name
> 172.16.1.100 00a0.c981.bd91 Infinite Manual
>
> *but when I reboot this pc, I am getting addresses from the pool* *(
> 172.16.1.2 to start with )*
> **
>
> my debug on the router shows some thing like this If you look at the bold
> MAC address, I dont know what that is and where its coming from. the host
> that requesting this should have a mac of 00a0.c981.bd91 ( which I
> configured above )
>
> Nov 20 00:43:52.470: DHCPD: checking for expired leases.
> R2#
> Nov 20 00:44:01.526: DHCPD: DHCPDISCOVER received from client *
> 0100.a0c9.81bd.9c* on interface FastEthernet0/1.
> R2#
> Nov 20 00:44:03.530: DHCPD: assigned IP address 172.16.1.3 to client *
> 0100.a0c9.81bd.9c*.
> Nov 20 00:44:03.530: DHCPD: Sending DHCPOFFER to client *
> 0100.a0c9.81bd.9c*(
> 172.16.1.3).
> Nov 20 00:44:03.530: DHCPD: creating ARP entry (172.16.1.3, *
> 00a0.c981.bd9c*
> ).
> Nov 20 00:44:03.530: DHCPD: unicasting BOOTREPLY to client 00a0.c981.bd9c(
> 172.16.1.3).
> Nov 20 00:44:03.534: DHCPD: DHCPREQUEST received from client
> 0100.a0c9.81bd.9c.
> Nov 20 00:44:03.534: DHCPD: Sending DHCPACK to client 0100.a0c9.81bd.9c (
> 172.16.1.3).
> Nov 20 00:44:03.534: DHCPD: creating ARP entry (172.16.1.3, 00a0.c981.bd9c
> ).
> Nov 20 00:44:03.534: DHCPD: unicasting BOOTREPLY to client 00a0.c981.bd9c(
> 172.16.1.3).
>
>
> Please let me know whats wrong
>
> Thanks
> Kal
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Fri Dec 01 2006 - 08:05:48 ART