DHCPCD Problems with Cox's new network
John Kloian III
plug-discuss@lists.plug.phoenix.az.us
Tue, 29 Jan 2002 14:06:03 -0700 (MST)
Yeah, I pulled a boner and connected the cable modem directly with my
windows box and then did the conversion (doh!). anyway, from I can tell
they are looking at the MAC unless someone can tell me diffrerent of what
xid: rejected would mean in pumps output to the daemon log.
On Tue, 29 Jan 2002, Technomage wrote:
>what this windows box connected to the cable modem directly?
>
>I did the same thing from a windows box INSIDE my natted network here and
>didn't have this problem (the ip was grabed as soon as the change-over hit)
>
>perhaps this is why I was able to get a new ip with a linux box (it was the
>gateway).
>
>Technomage
>
>On Tuesday 29 January 2002 09:40, you wrote:
>> I think maybe I can verify that. I did the conversion with my windows
>> box, which in restrospect was a bad idea. since Then i have not been able
>> to get my firewall to grab an IP. I can put it in statically and pass
>> traffic. When I use pump and watch the logs this is what I see right
>> before a timeout:
>>
>> xid: 0x63aabbdf4a rejected <-> 0x64aabbddcf
>>
>> My suspicion is that this is their dhcp server rejecting my request on
>> what I can only assume is the MAC address of my NIC. although I cannot
>> find any decent documentation.
>>
>> On 28 Jan 2002, Craig White wrote:
>> >On Mon, 2002-01-28 at 10:32, Jeffrey Pyne wrote:
>> >> I've been having trouble, as well. I thought I had it all figured out,
>> >> but apparently not. I did spend almost 2 hours on hold Saturday morning
>> >> (listening to Tori Amos or Enya or whomever-- I requested AT LEAST two
>> >> songs for the hold music, and the tech support guy replied that many
>> >> other people had requested the same thing).
>> >>
>> >> Anyway, I found something interesting: I had been having trouble
>> >> getting a DHCP lease for the past week. Sometimes I would not get a
>> >> DHCP_ACK from their server. Other times I would get one and I would get
>> >> my old @Home IP address, but then I wouldn't be able to ping my default
>> >> gateway or connect to anything on the Internet. When I finally spoke to
>> >> someone Saturday, I told him that I was getting an IP address of
>> >> 24.x.y.z, but that I couldn't connect to anything on the Internet. He
>> >> said, "Hmmmm, that's an @Home address; you should be getting an IP
>> >> address that starts with 68." Interesting. He wanted me to look at my
>> >> "Workgroup" setting, so I quickly connected my Win98 box to my cable
>> >> modem and reconfigured it and rebooted. He had me change the Workgroup
>> >> to "@COX.NET" and reboot. But while I was futzing around with this, he
>> >> said a supervisor had just told him that their "provisioning server" was
>> >> down and that I would not be able to get an IP address from DHCP until
>> >> it was back up (oh, and there was no E.T.A.). After I expressed my
>> >> displeasure and hung up, I tried rebooting the Win98 box just for fun.
>> >> When I did, I immediately got an IP address and could connect to
>> >> resources on the Internet. Bizarre. I connected my firewall back up
>> >> and ran 'dhclient ne0' and I got my old IP address again (even after
>> >> deleting /var/lib/dhcp.leases, which is an OpenBSD thing)). I tried
>> >> manually assigning the values I received on my Windows box to my
>> >> firewall, and then I could connect. So are they using some DHCP server
>> >> that only hands out IP addresses for computers in the same "Workgroup?"
>> >> If so, what about Macs (which they support)? I'm confused....
>> >>
>> >> Also, a guy at work said that he was told this weekend that the old
>> >> LANCity modems don't work with the new network (or rather, they work,
>> >> but only intermittently). (And indeed, http://status.cox.net/view.asp
>> >> shows that this is an issue.) My co-worker is trading in his modem at a
>> >> Cox office today. I have a LANCity modem, too. I think I'll trade it
>> >> in just for the hell of it. What kind of modem do you have?
>> >>
>> >> ~Frustrated in Phoenix
>> >
>> >----------
>> >I thought that someone mentioned that the new cox setup changes from a
>> >hostname authentication to a mac address authentication to get dhcp
>> >service. This would suggest that in the conversion process, the first
>> >assignment with your cxXXXXXXX-x hostname captured the mac address of
>> >your network interface and locked it down. Thus switching to another NIC
>> >(computer/router device) would mean that it can't capture an ip address
>> >unless you call customer support and they release it.
>> >
>> >If this is true, and I haven't verified it, this would make it a bad
>> >idea to use a windows computer to get the ip address from the dhcp
>> >server and then switching it out for a linux box.
>> >
>> >Craig
>> >
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>>
>> /**************************************************************************
>>**/ /
>> / / John Kloian III VP Network
>> Operations / / Opnix, Inc.
>> http://opnix.com / /
>> / / .Innovating Internet
>> Intelligence. / /
>> /
>> /**************************************************************************
>>**/
>>
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/****************************************************************************/
/ /
/ John Kloian III VP Network Operations /
/ Opnix, Inc. http://opnix.com /
/ /
/ .Innovating Internet Intelligence. /
/ /
/****************************************************************************/