Dňa 07.08.2013 21:19 Sean Alexandre wrote / napísal(a):
> On Wed, Aug 07, 2013 at 07:16:45PM +0100, Klaus wrote:
>> On 07/08/13 18:24, Andy Hawkins wrote:
>>> In article <[🔎] 20130807164822.GA7727@tuzo>,
>>> Sean Alexandre<sean@alexan.org> wrote:
>>>> No, unfortunately. I know it's not a MAC address issue. Both my TP-LINK home
>>>> router and the Debian Wheezy machine that works get DHCP leases without any
>>>> problems, and have different MAC addresses.
>>>>
>>>> I also asked my ISP about this, when I had them on the line to bring up my
>>>> new cable modem. They said any MAC address is fine. Just power the cable
>>>> modem down for 30 seconds first.
>>>
>>> Ok, I did say I was kind of stating the obvious!
>>>
>>> Next thing I'd be doing is using tshark or similar to sniff the traffic
>>> being seen on the Debian box.
>>>
>>> Andy
>>>
>>>
>> Just more of the obvious stuff:
>> You say it's a new cable modem, there is a home router, and there is
>> at least one other Debian Wheezy box.
>> Does your ISP provide you with one, or more than one IP address? If
>> one, the router probably translates this "public" IP address to your
>> "private" LAN. Does the router function as a DHCP server, or do you
>> have a dedicated box on your LAN? Can you check the logs of your LAN
>> DHCP server for entries matching the non-functioning box?
>
> There's no NAT in what I'm doing, no. The boxes in each case get a public
> IP address from my ISP (or try to.) The different cases are:
>
> CASE 1, works:
> [cable modem]---[TP-LINK router]
>
> CASE 2, works:
> [cable modem]---[wheezy box that works]
>
> CASE 3, doesn't work:
> [cable modem]---[wheezy box that doesn't work]
>
> I attach a laptop to the TP-LINK router to see that it got an IP address, so
> there's NAT there. But, NAT doens't come into play for the larger problem, if
> that's what you're asking.
>
is your network like this, please:
-------------
| ISP |
-------------
|
|
-------------
| modem |
-------------
|
------------------------------
| | |
------------- ------------- -------------
| Debian I | | Debian II | | TP-Link |
------------- ------------- -------------
or like this?
-------------
| ISP |
-------------
|
|
-------------
| modem |
-------------
|
|
-------------
| TP-Link |
-------------
|
------------------
| |
------------- -------------
| Debian I | | Debian II |
------------- -------------
regards
--
Slavko
http://slavino.sk
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