Re: Networking trouble after recent upgrade in Sid

2011-02-12 Thread Boyd Stephen Smith Jr.
In AANLkTikOUziWdo6LUhfejJJ+g-ZnkHPmza8=esjv7...@mail.gmail.com, David Bruce 
wrote:
From /etc/network/interfaces: ---

# The primary network interface
allow-hotplug eth0
iface eth0 inet dhcp

So now, on bootup my web browser won't connect.

Normally, if you want an interface started on boot, you should use:
auto eth0
instead of:
allow-hotplug eth0

Do you ifplugd, network-manager, or wicd?  Those are the main things I can 
think of that would start an allow-hotplug interface, and I'm not sure about 
that.  I use auto on my desktop and do not list devices on my laptop so they 
are exclusively controlled by network-manager.
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Re: Networking trouble after recent upgrade in Sid

2011-02-12 Thread Tom H
On Sat, Feb 12, 2011 at 4:55 AM, Boyd Stephen Smith Jr.
b...@iguanasuicide.net wrote:
 In AANLkTikOUziWdo6LUhfejJJ+g-ZnkHPmza8=esjv7...@mail.gmail.com, David Bruce
 wrote:


From /etc/network/interfaces: ---

# The primary network interface
allow-hotplug eth0
iface eth0 inet dhcp

So now, on bootup my web browser won't connect.

 Normally, if you want an interface started on boot, you should use:
 auto eth0
 instead of:
 allow-hotplug eth0


Both allow-hotplug and allow-auto should bring up eth0 at boot unless
it's managed by network manager as you say below (I'm not familiar
with wicd or ifplugd).


 Do you ifplugd, network-manager, or wicd? Those are the main things I can
 think of that would start an allow-hotplug interface.


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Re: Networking trouble after recent upgrade in Sid

2011-02-12 Thread Andrei Popescu
On Sb, 12 feb 11, 03:23:16, David Bruce wrote:
 
 With a aptitude safe-upgrade and reboot today, my setup broke.  I'm no
 network expert, but it appears that eth0 is no longer getting an IPv4
 address on boot:

Purge network-manager?

Could you post the relevant part of /var/log/aptitude ?

Regards,
Andrei
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Re: Networking trouble after recent upgrade in Sid

2011-02-12 Thread David Bruce
Hi Shawn,

 what did your old interfaces file look like? might look at resolv.conf as
 well. i'm not sure what trouble shooting you went through, so it might be
 useful to post your iptables config.

Here's my old interfaces file where I statically brought up eth0:

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
allow-hotplug eth0
#iface eth0 inet dhcp
iface eth0 inet static
 address 192.168.0.100
 netmask 255.255.255.0
 broadcast 192.168.0.255
 gateway 192.168.0.1
 dns-domain gnu-orleans.org

After the upgrade, eth0 no longer wound up with 192.168.0.100.  Also,
even after I went back to the default DHCP-using settings, I still
don't get a working address after reboot until I run dhclient by hand.
 The netgear router is back to its default DHCP behavior, and the iMac
attached to the same router gets its address just fine.

Should my interfaces entry for eth0 start with auto eth0 rather than
allow-hotplug eth0?  From googling, I've found statements that the
way to get dhclient to run on every boot is with the auto keyword.

Thanks,

David


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Re: Networking trouble after recent upgrade in Sid

2011-02-12 Thread shawn wilson
 Here's my old interfaces file where I statically brought up eth0:

 # This file describes the network interfaces available on your system
 # and how to activate them. For more information, see interfaces(5).

 # The loopback network interface
 auto lo
 iface lo inet loopback

 # The primary network interface
 allow-hotplug eth0
 #iface eth0 inet dhcp
 iface eth0 inet static
  address 192.168.0.100
  netmask 255.255.255.0
  broadcast 192.168.0.255
  gateway 192.168.0.1
  dns-domain gnu-orleans.org


Add 'auto eth0'


Re: Networking trouble after recent upgrade in Sid

2011-02-12 Thread Bob Proulx
David Bruce wrote:
 shawn wilson wrote:
  allow-hotplug eth0
  iface eth0 inet static
   ...
 
  Add 'auto eth0'
 
 Sorry to be dense about this, but is auto eth0 applicable to
 automatically do a static ip assignment to an interface on boot, as
 well as being applicable to invoking dhcp for an interface on boot?

Yes.  The old default was 'auto' (aka allow-auto).  The new default is
'allow-hotplug'.  But both can be specified and having both are useful.

You you Osamu Aoki for this fine documentation here:

  
http://www.debian.org/doc/manuals/debian-reference/ch05.en.html#list-of-stanzas-in-eni

The 'auto' configures /etc/init.d/networking to use it when the
networking subsystem is started or restarted.

The 'allow-hotplug' starts the interface when the device becomes
available to the kernel.

You may want to review the mailing list archive thread starting here:

  http://lists.debian.org/debian-user/2011/01/msg00974.html

Bob


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