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Re: Intermittent internet since upgrading to squeeze



On 02/28/2011 02:31 PM, George wrote:
On Mon, Feb 28, 2011 at 2:04 PM, Camaleón<noelamac@gmail.com>  wrote:

On Mon, 28 Feb 2011 00:48:23 +0200, George wrote:

Ever since I upgraded to squeeze I have intermittent internet. It works
for about 30-45 seconds, then it stops. I have to do

ifdown -a
ifup -a

which brings it back, only for it to go down again. The strange part is
that no such problems occur when booting into recovery mode. I tried
disabling ipv6 at the kernel level but it didn't make any difference.
This is simple Ethernet networking and it was working fine in lenny.

Simple ethernet networking can be "not that simple" :-)

Are you using dhcp or any dial client (pppd)?
Are you using NetworkManager?
Can you still make local pings?
Can you browse the web if you specify the IP address of the host?
Ethernet card and driver?


I'm using dhcp. I don't know if I'm using networkmanager. Once the
problem starts I can only ping localhost. I can't even ping the
gateway router. My /etc/network/interfaces is as follows:



# 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
address 127.0.0.1
netmask 255.0.0.0

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

auto eth0


These are definitely your friends in this kind of situation:
$ dmesg | tail -n40
$ sudo tail -n40 /var/log/syslog

--
I prefer banana-flavored energy bars made from tofu.


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