Re: [DNG] what has gone wrong with networking in ascii?

2018-07-15 Thread Udo Hennig
I get some trouble with the network after updating to ascii and
rebooting too on two computers. I found some messages in dmesg like

Cannot rename eth0 to eth1, name already in use
Cannot rename eth2 to eth0, name already in use

It looks like udev change the name of the devices. I solved this editing
the /etc/roules.d/peresist.rules and use names like nic0, nic1. And I
changed the /etc/networking/interfaces to the new names.

That work for me, but is not a good solution. I hope is helpful.

Udo


Am 14.07.2018 um 18:53 schrieb Hendrik Boom:
> I upgraded my home serverto ascii a bit ore than a week ago, and then 
> proceeded to make a full backup of user files (and system files in case 
> I have to consult them on reinstallation if the system gets hoplessly 
> broken).
>
> I finally rebooted yesterday after a week of flawless running, only to 
> find that netwrking is completely nonfunctional.  Afer a day of 
> struggling, I rebooted to an old copy of Debian wheezy I still had lying 
> around on the hard drive and networking worked perfectly.
>
> So the hardware appears to be OK.
>
> But software is another story.  On ascii:
>
> my client laptops can connect to the wifi modem, but never get an IP 
> number assigned.
>
> My server normally uses pppoe to connect to my ISP.  My script to 
> identity the access concentrator manages to connect to it, so the 
> hardware must be working even for proper pppoe operation, but I can 
> never manage to get a pppoe connection.
>
> So:
>
> (1) What has changed between jessie and ascii?  Everything worked fine 
> on Jessie.  Do pppoe and dhcpd need different configuration files or is 
> something else a problem?  The files I'm using seem to have the same 
> chap and pap secrets as on ascii as on wheezy.
>
> (2) How should I go about tracking down the problem?
>
> I might add that ifconfig reports the usual interfaces of eth0, eth1, 
> and loopback, so I don't *seem* to be haveing problems with the systemd 
> and Debian's new interface naming conventions.
>
> Of course it's possible that I did something stupid after the upgrade.
>   
> -- hendrik
>
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Re: [DNG] what has gone wrong with networking in ascii?

2018-07-14 Thread Gregory Nowak
On Sat, Jul 14, 2018 at 12:53:08PM -0400, Hendrik Boom wrote:
> But software is another story.  On ascii:
> 
> my client laptops can connect to the wifi modem, but never get an IP 
> number assigned.

The change I'm aware of for dhcpd between jessie and Ascii is that
dhcpd on Ascii automatically does v4 and v6. You asked what changed,
and that's the biggest change I'm aware of. That doesn't mean this is
the cause of your problem. What does /var/log/daemon.log say when one
of your machines attempts to obtain an IP address?

> 
> My server normally uses pppoe to connect to my ISP.  My script to 
> identity the access concentrator manages to connect to it, so the 
> hardware must be working even for proper pppoe operation, but I can 
> never manage to get a pppoe connection.

What does /var/log/ppp-connect-errors say? What does
/var/log/daemon.log say?

Greg


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Re: [DNG] what has gone wrong with networking in ascii?

2018-07-14 Thread Stefan Krusche
Am Samstag, 14. Juli 2018 schrieb Hendrik Boom:
> (2) How should I go about tracking down the problem?
>
> I might add that ifconfig reports the usual interfaces of eth0, eth1,

Have you checked they also have the same MAC address like before?

Kind regards,
Stefan

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[DNG] what has gone wrong with networking in ascii?

2018-07-14 Thread Hendrik Boom
I upgraded my home serverto ascii a bit ore than a week ago, and then 
proceeded to make a full backup of user files (and system files in case 
I have to consult them on reinstallation if the system gets hoplessly 
broken).

I finally rebooted yesterday after a week of flawless running, only to 
find that netwrking is completely nonfunctional.  Afer a day of 
struggling, I rebooted to an old copy of Debian wheezy I still had lying 
around on the hard drive and networking worked perfectly.

So the hardware appears to be OK.

But software is another story.  On ascii:

my client laptops can connect to the wifi modem, but never get an IP 
number assigned.

My server normally uses pppoe to connect to my ISP.  My script to 
identity the access concentrator manages to connect to it, so the 
hardware must be working even for proper pppoe operation, but I can 
never manage to get a pppoe connection.

So:

(1) What has changed between jessie and ascii?  Everything worked fine 
on Jessie.  Do pppoe and dhcpd need different configuration files or is 
something else a problem?  The files I'm using seem to have the same 
chap and pap secrets as on ascii as on wheezy.

(2) How should I go about tracking down the problem?

I might add that ifconfig reports the usual interfaces of eth0, eth1, 
and loopback, so I don't *seem* to be haveing problems with the systemd 
and Debian's new interface naming conventions.

Of course it's possible that I did something stupid after the upgrade.
  
-- hendrik

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