eth1 goes to sleep when tired

[Dave Stevens]

Quoting Rashkae <ubuntu at tigershaunt.com>:

> Dave Stevens wrote:
>> Hi,
>>
>> I have a little 2P server with 2 ports, eth0 and eth1. eth1 is
>> connected to a router and dsl service it shares with other computers.
>> It works fine. I need a faster dsl service so I have a different ISP's
>> dsl modem connected to eth1. eth1 is connected to a ubuntu 10.04.1
>> instance running apache2 to serve pages for a custon on-line service.
>> Everything works fine for a while and whenever we are using the eth1
>> service, but when we stop using it, the eth1 port somehow shuts down,
>> no outside access is possible through ssh or the web. But if I tunnel
>> in through the other port (eth0) and ping the outside world, or do a
>> traceroute, then all of a sudden the access from outside is restored.
>>
>
> Is eth1 connected directly to a modem, or one of these pervasive
> 'modem/router' combos?

It's a Zoom ADSL X4 modem, no routing function that I can see;  
straight from eth1 to the modem on CAT-5. There is an unused USB  
connector, too. We have a fixed IP so no special effort to set up the  
modem on our part.


  In particular, did you have to configure PPPoE
> on the server to achieve that connection?


No, they sent us a modem, we plugged it in and turned in on and we had  
ADSL service as soon as routing was configured

(In ubuntu, I believe, you
> would use pppoeconf.)  Since this is a server connection, you don't want
> it managed to network manager, which is only meant to be used as client
> connections, and I have no idea how it would mangle a PPP connection.

well I did ps -A | grep ppp and got nothing, I don't think we did any  
configuring using network manager, I had to edit the routing table to  
use their default gateway and netmask for the static IP but that was  
pretty simple. Also ps -A | grep net shows only xinetd running

Dave

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"It is no measure of health to be well adjusted to a profoundly sick society."
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