Cox now insists on DHCP protocol

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Author: John Albee
Date:  
Subject: Cox now insists on DHCP protocol
Its my understanding that all that is needed is the cx... ID for their DHCP
servers. In windows, it happens to be the same number if I remember right.
If @Home required "SMB/NetBEUI" then they would be leaving a rather large
hole in their users computers.

>From the rfc @ [http://ftp.rfc-editor.org/in-notes/rfc2131.txt]


DHCP defines a new 'client identifier' option that is used to pass an
explicit client identifier to a DHCP server. This change eliminates
the overloading of the 'chaddr' field in BOOTP messages, where
'chaddr' is used both as a hardware address for transmission of BOOTP
reply messages and as a client identifier. The 'client identifier'
is an opaque key, not to be interpreted by the server; for example,
the 'client identifier' may contain a hardware address, identical to
the contents of the 'chaddr' field, or it may contain another type of
identifier, such as a DNS name. The 'client identifier' chosen by a
DHCP client MUST be unique to that client within the subnet to which
the client is attached. If the client uses a 'client identifier' in
one message, it MUST use that same identifier in all subsequent
messages, to ensure that all servers correctly identify the client.

>From what I know, the cx number is the 'client identifier' mentioned in the

rfc. Now unless @Home stopped using the DHCP protocol 'client identifier'
to determine address allocation, there should not be any problem using
non-windows devices(linux boxen, linksys Cable/DSL routers, etc) to connect
to the @Home network.

John Albee




-----Original Message-----
From:
[mailto:plug-discuss-admin@lists.PLUG.phoenix.az.us]On Behalf Of George
Toft
Sent: Friday, October 26, 2001 9:45 AM
To:
Subject: Re: Cox now insists on DHCP protocol


Let me understand this - Cox *requires* the use of SMB/NetBEUI [with
Windows]? Where's the defibrillator?

George


Nathan England wrote:
>
> Forgive my ignorance...
> I used cox for about 3 weeks at a prior address, until I moved.
> They didn't have the area finished so they were only giving the Cox
> @home Express option, which was just half speed for half the price..
>
> I played a lot with the dhcp trying to get it to work. I had no other
> choice. I can't remember real well, but I did get it to work.
>
> I set eth0 to be static at 192.168.1.1 then setup samba to be on the
> @home workgroup like they want the windows systems.
> I set the 'netbios name = ' to whatever the name was, I forget now..
>
> I would wait a few minutes and try smbclient -U% -L //mynetbiosname
> and as long as it worked I would then
>
> ifconfig eth0 down
> dhcpcd
>
> Then it would pick up an ip and if I waited a few minutes.. I could try
> smbclient -U% -L //mynetbiosname and it would list a cox machine as the
> domain master..
> after which cox' network couldn't tell I wasn't a windows box and the
> internet would start working.
> I was under the impression that they had ip checking setup and only
> allowed access if the netbiosname was in their database.
>
> I may be completely wrong, but it's worth a shot to anyone who must
> play. I hope this helps in the battle somewhere. If someone does get it
> to work, please post back here for anyone else who might be having
> problems.. I'm sure we'd all be interested in seeing working results.
>
> Sorry I can't give more details, but that was over a year ago now and
> only a 3 week stent..
>
> nathan
>
> On Thu, 2001-10-25 at 22:44, tim cutler wrote:
> > Like most linux users on Cox@home, I have a static IP address. Now,
> > Cox@home has sent me email and tells me that they have "identified" my
> > computer as having a static address and not using DHCP protocol. They
> > are now insisting on my computer to adopt the DHCP protocol.
> >
> > I never managed to get DHCP protocol to work on my linux and wound up
> > using a static IP address (as was recommended here, thanks) to good

effect.
> >
> > I've tried the linux netcfg GUI, selecting "DHCP" for the protocol. As
> > soon as I do that, I'm off the network.
> >
> > So, my trial and error begins again. I'm looking for any breadcrumb
> > clues to speed this unpleasant process up. I prefer NOT to use the f!@**
> > netcfg GUI (I hate that GUI; unless it works EVERY time it should always
> > tell you what files it's "fixing"). I would rather get pointed to any
> > /etc/ files that matter.
> >
> > I have RedHat 7.1. I don't get why this is so hard for linux.
> >
> >       tc

> >
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