Cox has LeastCostRouting and QoS with different inbound and outbound paths. So when they renew your DHCP lease - until you power cycle your "DHCP modem" you can't do most of what currently suffices for networking today. Your originating and source addresses are NAT forwarded to the lease created in your "router" - so you can see that until you reset (i.,e. renew) your router/lease with your modem -- they won't match.
If you are using a two device setup, with NAT in your router, they don't check the MAC addresses.
Mike Garfias <mike@garfias.org> wrote:
I've always been able to power cycle the modem to get a new router to
work. I think the modem reports the first MAC it sees, and then can
resend that if its rebooted.
On Jun 2, 2008, at 8:50 PM, Dan Lund wrote:
>
You'll probably have to deal with cloning the current mac on the WAN
> port.
> I had to with my Belkin, since Cox seems to be doing some twisted form
> of MAC checks.
>
> I'm not saying in all cases it does that since I'm not everywhere and
> dealing with every customer since I'm just one customer. However,
> I've been a customer of Cox for like 7-8 years and have never had this
> problem until 1 year 1/2 ago when I connected in a new house I
> purchased. I just dealt with them by initiating a connection with a
> laptop while talking to the nasty tech on the line. After that, I
> just cloned the mac of the nic from that laptop on the Belkin I was
> going to use. After that, all fine.
> I know I've spouted about this before, so I'm just throwing this out
> again in this situation to inform you :)
>
> --Dan
>
> On Mon, Jun 2, 2008 at 7:56 PM,
wrote:
>> Well, I bought one of those $15 bargain Airlink101 routers from Fry's
>> in an abortive attempt to fix a poor 802.11g connectivity situation.
>> As it turned off, it was something else. Not wanting to consider
>> it a
>> write-off, I installed the new DD-WRT v24 firmware on it.
>>
>> However, before I drop it in (replacing a second-hand stock firmware
>> Linksys WRT54G which I'm powering off a 12v laptop brick I'm really
>> coveting for another project) I'm wondering if there are any
>> settings I
>> need to adjust to avoid offending the local ISP (in my case, Cox)
>> -- I
>> assume that the 'info page' and 'remote management' features might
>> count as forbidden 'servers' to them, so I already turned them off,
>> but
>> what else?
>>
>> It's nice having something I can telnet
into (since I don't spend
>> enough time at a putty window at work)
>
> --
> Thanks,
> Dan Lund
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