Marko -
Try to use it on BootP clients as the scripture says, then tell us.
Client-id ::: DHCP
Hardware-Address ::: BootP
-
Daniel
-----Original Message-----
From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of Marko Milivojevic
Sent: Mittwoch, 17. November 2010 19:17
To: Jose Orfao
Cc: groupstudy
Subject: Re: DHCP Manual Bindings
I would prefer this to continue on the mailing list...
That has *never* worked for me.
-- Marko Milivojevic - CCIE #18427 Senior Technical Instructor - IPexpert FREE CCIE training: http://bit.ly/vLecture Mailto: markom_at_ipexpert.com Telephone: +1.810.326.1444 Web: http://www.ipexpert.com/ On Wed, Nov 17, 2010 at 18:14, Jose Orfao <jmorfao_at_gmail.com> wrote: > Yes thats is correct, maybe I explained incorrectly. > eg. > > ! > ip dhcp pool TEST > B B network 10.1.1.0 255.255.255.0 > B B default-router 10.1.1.2 > ! > ip dhcp pool R1 > B B host 10.1.1.1 255.255.255.0 > B B hardware-address c20b.0fa8.0000 > ! > > thanks > > > On Wed, Nov 17, 2010 at 8:11 PM, Marko Milivojevic > <markom_at_ipexpert.com> > wrote: >> >> I was referring to the specific command "hardware-address" :-) >> >> -- >> Marko Milivojevic - CCIE #18427 >> Senior Technical Instructor - IPexpert >> >> FREE CCIE training: http://bit.ly/vLecture >> >> Mailto: markom_at_ipexpert.com >> Telephone: +1.810.326.1444 >> Web: http://www.ipexpert.com/ >> >> On Wed, Nov 17, 2010 at 18:08, Jose Orfao <jmorfao_at_gmail.com> wrote: >> > Hi Marko >> > >> > It does work have used it before it preparing for lab (in a >> > seperate pool), the client-id I get it from the client router >> > running a debug dhcp detail which gives me the id that consists of >> > "null cisco mac fa0/0" ;also works. >> > thanks. >> > >> > Jose Orfao >> > >> > >> > On Wed, Nov 17, 2010 at 7:58 PM, Marko Milivojevic >> > <markom_at_ipexpert.com> >> > wrote: >> >> >> >> Absolutely correct. Running "debug ip dhcp server events" on the >> >> server will answer all doubts as to what the client identifier >> >> value you are dealing with. >> >> >> >> That said... I have one DHCP question. Does anyone know a >> >> scenario/situation when using "hardware-address" inside host pool >> >> actually does anything? >> >> >> >> -- >> >> Marko Milivojevic - CCIE #18427 >> >> Senior Technical Instructor - IPexpert >> >> >> >> FREE CCIE training: http://bit.ly/vLecture >> >> >> >> Mailto: markom_at_ipexpert.com >> >> Telephone: +1.810.326.1444 >> >> Web: http://www.ipexpert.com/ >> >> >> >> On Wed, Nov 17, 2010 at 17:29, Adel Abouchaev >> >> <adel_at_netmasterclass.net> >> >> wrote: >> >> > B B B B B B B Marko and Tyson are absolutely correct here. >> >> > >> >> > B B B B B B B To add a bit to the message on how to approach >> >> > this situation if you aren't sure why client ID or any other >> >> > parameters aren't leading to a correct DHCP assignment, the >> >> > debug for DHCP is quite talkative and usually answers any >> >> > question within a minute. I have found it very useful during >> >> > troubleshooting DHCP issues for many occasions. >> >> > >> >> > Cheers, >> >> > >> >> > Adel Abouchaev, CCIE# 12037, CISSP, MCSE >> >> > >> >> > Technical Support Engineer >> >> > Netmasterclass LLC, Cisco Learning Partner >> >> > RFC821: adel_at_netmasterclass.net >> >> > E.164: +18886772669 >> >> > HTTP: www.netmasterclass.net >> >> > >> >> > >> >> > >> >> > -----Original Message----- >> >> > From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On >> >> > Behalf Of Marko Milivojevic >> >> > Sent: Wednesday, November 17, 2010 8:10 AM >> >> > To: Tyson Scott >> >> > Cc: Steven Blasiol; Cisco certification >> >> > Subject: Re: DHCP Manual Bindings >> >> > >> >> > Just to follow-up on Tyson's reply. This will probably work if >> >> > you set "ip address dhcl client-identifier Fa0/0" on R1. If not, >> >> > after certain IOS release (12.4somethingortheother) client >> >> > identifier option is set to something else (see previous >> >> > discussion on OSL for details). >> >> > >> >> > When you set the client-identifier option to be derived from the >> >> > interface MAC address, it will still not be the MAC address alone. >> >> > The >> >> > MAC address will be prefixed by media type, which for Ethernet >> >> > is "01. >> >> > Therefore, your client-id becomes 01<MAC_ADDRESS>". You need to >> >> > move the dot around a bit. >> >> > >> >> > For MAC address c002.0594.0000, client identifier becomes >> >> > 01c0.0205.9400.00 -> just as Tyson wrote below. >> >> > >> >> > -- >> >> > Marko Milivojevic - CCIE #18427 >> >> > Senior Technical Instructor - IPexpert >> >> > >> >> > FREE CCIE training: http://bit.ly/vLecture >> >> > >> >> > Mailto: markom_at_ipexpert.com >> >> > Telephone: +1.810.326.1444 >> >> > Web: http://www.ipexpert.com/ >> >> > >> >> > On Wed, Nov 17, 2010 at 00:22, Tyson Scott <tscott_at_ipexpert.com> >> >> > wrote: >> >> >> That is because that will never be your client-identifier. >> >> >> >> >> >> ip dhcp pool LABMANUAL >> >> >> B B host 10.0.12.77 255.255.255.0 B B client-identifier >> >> >> 01c0.0205.9400.00 >> >> >> >> >> >> When you get the IP address you should be able to notice in the >> >> >> output of "show ip dhcp bind" what the client identifier is >> >> >> showing up for when it isn't working for you. >> >> >> >> >> >> Please let me know if this doesn't work for you. B If it >> >> >> doesn't work please provide the output of "show ip dhcp bind" >> >> >> >> >> >> Regards, >> >> >> >> >> >> Tyson Scott - CCIE #13513 R&S, Security, and SP Managing >> >> >> Partner / Sr. Instructor - IPexpert, Inc. >> >> >> Mailto: tscott_at_ipexpert.com >> >> >> >> >> >> >> >> >> -----Original Message----- >> >> >> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On >> >> >> Behalf Of Steven Blasiol >> >> >> Sent: Tuesday, November 16, 2010 7:10 PM >> >> >> To: Cisco certification >> >> >> Subject: DHCP Manual Bindings >> >> >> >> >> >> I am having some problems in GNS3 setting manual ip address >> >> >> bindings. B Here are the relevant configs: >> >> >> >> >> >> (DHCP Client)R1 Fa0/0-------------------Fa0/0R2 (DHCP Server) >> >> >> >> >> >> Router1 >> >> >> >> >> >> interface FastEthernet0/0 >> >> >> ip address dhcp client-id FastEthernet0/0 hostname CCIELAB >> >> >> duplex auto speed auto >> >> >> >> >> >> >> >> >> Router2 >> >> >> >> >> >> no ip dhcp conflict logging >> >> >> ! >> >> >> ip dhcp excluded-address 10.0.12.1 10.0.12.50 ! >> >> >> ip dhcp pool LABMANUAL >> >> >> B B host 10.0.12.77 255.255.255.0 B B client-identifier >> >> >> c002.0594.0000 (MAC of R1 Fa0/0) B B client-name CCIELAB ! >> >> >> ip dhcp pool LABDYNAMIC >> >> >> B B network 10.0.12.0 255.255.255.0 B B domain-name ccie.com B >> >> >> B default-router 10.0.12.1 >> >> >> >> >> >> >> >> >> When I have it configured like this I keep getting an address >> >> >> from the LABDYNAMIC pool. B I thought maybe you could have two >> >> >> pools so I removed the DYNAMIC pool and I just don't get an >> >> >> address. >> >> >> >> >> >> i am obviously missing something and the documentation i have >> >> >> found so far is not really helpful. >> >> >> >> >> >> Thanks in advance. >> >> >> -- >> >> >> Steven M. Blasiol >> >> >> >> >> >> >> >> >> Blogs and organic groups at http://www.ccie.net >> >> >> >> >> >> >> >> >> _______________________________________________________________ >> >> >> ________ Subscription information may be found at: >> >> >> http://www.groupstudy.com/list/CCIELab.html >> >> >> >> >> >> >> >> >> Blogs and organic groups at http://www.ccie.net >> >> >> >> >> >> >> >> >> _______________________________________________________________ >> >> >> ________ Subscription information may be found at: >> >> >> http://www.groupstudy.com/list/CCIELab.html >> >> > >> >> > >> >> > Blogs and organic groups at http://www.ccie.net >> >> > >> >> > >> >> > ________________________________________________________________ >> >> > _______ Subscription information may be found at: >> >> > http://www.groupstudy.com/list/CCIELab.html >> >> > >> >> > >> >> > Blogs and organic groups at http://www.ccie.net >> >> > >> >> > >> >> > ________________________________________________________________ >> >> > _______ Subscription information may be found at: >> >> > http://www.groupstudy.com/list/CCIELab.html >> >> >> >> >> >> Blogs and organic groups at http://www.ccie.net >> >> >> >> __________________________________________________________________ >> >> _____ Subscription information may be found at: >> >> http://www.groupstudy.com/list/CCIELab.html Blogs and organic groups at http://www.ccie.netReceived on Thu Nov 18 2010 - 15:08:52 ART
This archive was generated by hypermail 2.2.0 : Sun Dec 05 2010 - 22:14:56 ART