From: Ben (bmunyao@gmail.com)
Date: Wed Jul 11 2007 - 09:03:03 ART
Phew. I ran out of memory space long ago. Information I use often eg tcp/udp
ports, out of repeated use, somehow managed to find some memory location
configured for sticky learning. I doubt I will get to configure DHCP
options that often, especially since most dhcp servers give you nice and
friendly (translation english) option names when configuring them :)
Thanks Antonio.
Ben
On 7/11/07, Antonio Soares <amsoares@netcabo.pt> wrote:
>
> Under Network Registrar documentation there is a document dedicated to
> the subject:
>
>
> http://www.cisco.com/univercd/cc/td/doc/product/rtrmgmt/ciscoasu/nr/nr60/nrug/userapb.htm
>
> You still have to memorize the 150 :)
>
> ------------------------------
> *From:* Ben [mailto:bmunyao@gmail.com]
> *Sent:* quarta-feira, 11 de Julho de 2007 8:43
> *To:* Mike Kraus (mikraus)
> *Cc:* Antonio Soares; eric_dobyns@yahoo.com; Chamara Peris; Cisco
> certification
> *Subject:* Re: DHCP option
>
>
> If you don't want to carry dhcp options in your head, are they listed
> anywhere in the doccd?
>
> Ben
>
>
>
> On 7/11/07, Mike Kraus (mikraus) <mikraus@cisco.com> wrote:
> >
> > Ack, resorting to reading RFCs again! :D
> >
> > It does answer my question though:
> >
> > "This proposal allows host configuration to be split between two
> > different address servers, potentially under different
> > administration."
> >
> > So, if you had some crazy reason to, you could have the first DHCP
> > server assign IP information and the second some other DHCP option
> > information.
> >
> > Thanks for pointing me in the right direction Antonio!
> >
> > -----Original Message-----
> > From: Antonio Soares [mailto: amsoares@netcabo.pt]
> > Sent: Tuesday, July 10, 2007 8:15 PM
> > To: Mike Kraus (mikraus); eric_dobyns@yahoo.com; 'Chamara Peris'; 'Cisco
> > certification'
> > Subject: RE: DHCP option
> >
> >
> > Found this:
> >
> > DHCP Next Server Option
> >
> > http://tools.ietf.org/id/draft-ietf-dhc-nextserver-02.txt
> >
> >
> > I think the command is there but actually it doesn't do anything for
> > you. At least with a cisco router as a dhcp client.
> >
> >
> > -----Original Message-----
> > From: Mike Kraus (mikraus) [mailto: mikraus@cisco.com]
> > Sent: quarta-feira, 11 de Julho de 2007 1:25
> > To: eric_dobyns@yahoo.com; Antonio Soares; Chamara Peris; Cisco
> > certification
> > Subject: RE: DHCP option
> >
> > OK, but you can specify multiple TFTP servers with option 150 as well...
> >
> >
> > -----Original Message-----
> > From: Eric Dobyns [mailto:eric_dobyns@yahoo.com]
> > Sent: Tuesday, July 10, 2007 6:59 PM
> > To: Mike Kraus (mikraus); 'Antonio Soares'; 'Chamara Peris'; 'Cisco
> > certification'
> > Subject: RE: DHCP option
> >
> > If nobody is home at the primary tftp server's address (or it is down or
> >
> > too busy to respond), it goes to the next-server and then the
> > next....redundancy.
> >
> >
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto: nobody@groupstudy.com] On Behalf Of
> > Mike Kraus (mikraus)
> > Sent: Tuesday, July 10, 2007 6:22 PM
> > To: Antonio Soares; Chamara Peris; Cisco certification
> > Subject: RE: DHCP option
> >
> > On a somewhat related note, does anyone know a use for next-server?
> >
> > From the command reference: "Specifies the IP address of the next
> > server in the boot process, which is typically a Trivial File Transfer
> > Protocol (TFTP) server. One IP address is required, but up to eight
> > addresses can be specified in one command line."
> >
> > I know this doesn't work with IP phones, is this for PXE booting or
> > something?
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> > Antonio Soares
> > Sent: Tuesday, July 10, 2007 5:08 PM
> > To: 'Chamara Peris'; 'Cisco certification'
> > Subject: RE: DHCP option
> >
> > Option 66 is for TFTP Server Name.
> >
> > Try to use option 150 instead.
> >
> > http://www.iana.org/assignments/bootp-dhcp-parameters
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> > Chamara Peris
> > Sent: terga-feira, 10 de Julho de 2007 22:59
> > To: Cisco certification
> > Subject: DHCP option
> >
> > Hi Group,
> >
> > I have configured a dhcp server in cisco 2950 with option 66 with the
> > tftp server ip address. But non of my cisco 7960 phones picking up the
> > tftp server via dhcp. They all get other information corretly via dhcp
> > server.
> >
> > What I am doing wrong?
> >
> > Cheers,
> >
> > CP
> >
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> >
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