Re: Networking Q concerning /etc/network/interfaces

2012-02-15 Thread Harry Putnam
Brian a...@cityscape.co.uk writes: So, it seems there is no way around thinking both addresses are on a single nic since there is only one ethernet wire attached to localhost. As above; erroneous. Find out about MAC addresses and ARP. They are basic to communication on an ethernet network

Re: Networking Q concerning /etc/network/interfaces

2012-02-15 Thread Brian
On Wed 15 Feb 2012 at 10:07:52 -0500, Harry Putnam wrote: In the confused thread I butchered, I missed this little snipped from Brian. I very much appreciate this explanation. I had it wrong. You're being too hard on yourself. I get things wrong all the time and it may be only months later I

Re: Networking Q concerning /etc/network/interfaces

2012-02-13 Thread Andrei Popescu
On Du, 12 feb 12, 23:42:08, Harry Putnam wrote: To summarize it: How best to switch which network adapter is assigned eth0 and which to eth1. ... The way I did do it was to reverse the names in: /etc/udev/rules.d/70-persistent-net.rules ... Can any anyone tell me if that will survive an

Re: Networking Q concerning /etc/network/interfaces

2012-02-13 Thread Harry Putnam
Andrei Popescu andreimpope...@gmail.com writes: Harry wrote: The way I did do it was to reverse the names in: /etc/udev/rules.d/70-persistent-net.rules ... Can any anyone tell me if that will survive an upgrade? Andrei responded: Yes Harry wrote: Or can anyone tell me if there is a better

Re: Networking Q concerning /etc/network/interfaces

2012-02-13 Thread Camaleón
On Sun, 12 Feb 2012 21:31:44 +, Brian wrote: On Sun 12 Feb 2012 at 20:31:25 +, Camaleón wrote: On Sun, 12 Feb 2012 19:52:57 +, Brian wrote: the other ethernet port is ambiguous but the second statement and the ifconfig output make it clearer. Well, all this issue is

Re: Networking Q concerning /etc/network/interfaces

2012-02-13 Thread Tom H
On Sun, Feb 12, 2012 at 11:42 PM, Harry Putnam rea...@newsguy.com wrote: I decided to try a third way; reverse the device names on the host. However I'm not really sure how to do that so that it persists thru updates. The way I did do it was to reverse the names in:

Re: Networking Q concerning /etc/network/interfaces

2012-02-13 Thread Brian
On Mon 13 Feb 2012 at 16:13:24 +, Camaleón wrote: I trust logs rather than perceptions. The thread has moved on: http://lists.debian.org/debian-user/2012/02/msg00975.html We should do the same. -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of

Re: Networking Q concerning /etc/network/interfaces

2012-02-13 Thread Camaleón
On Mon, 13 Feb 2012 19:19:17 +, Brian wrote: On Mon 13 Feb 2012 at 16:13:24 +, Camaleón wrote: I trust logs rather than perceptions. The thread has moved on: http://lists.debian.org/debian-user/2012/02/msg00975.html We should do the same. I don't have additional suggestions

Re: Networking Q concerning /etc/network/interfaces

2012-02-13 Thread Brian
On Mon 13 Feb 2012 at 19:40:53 +, Camaleón wrote: On Mon, 13 Feb 2012 19:19:17 +, Brian wrote: On Mon 13 Feb 2012 at 16:13:24 +, Camaleón wrote: I trust logs rather than perceptions. The thread has moved on: http://lists.debian.org/debian-user/2012/02/msg00975.html

Re: Networking Q concerning /etc/network/interfaces

2012-02-12 Thread Camaleón
On Sat, 11 Feb 2012 17:16:36 -0500, Harry Putnam wrote: Camaleón noela...@gmail.com writes: On Sat, 11 Feb 2012 14:13:22 -0500, Harry Putnam wrote: Running wheezy - 3.0.0-1-686-pae Wheezy has now 3.1.0 :-? I've missed a couple of updates... the last notice I received on my kde desktop

Re: Networking Q concerning /etc/network/interfaces

2012-02-12 Thread Brian
On Sat 11 Feb 2012 at 20:22:13 -0500, Harry Putnam wrote: [Snip] And the actual network shows up on eth1 in ifconfig -a output: ifconfig -a eth0 Link encap:Ethernet HWaddr 00:40:f4:b5:29:41 UP BROADCAST MULTICAST MTU:1500 Metric:1 [...] This is what

Re: Networking Q concerning /etc/network/interfaces

2012-02-12 Thread Harry Putnam
Camaleón noela...@gmail.com writes: [...] Harry wrote: Running wheezy - 3.0.0-1-686-pae Camaleón replied: Wheezy has now 3.1.0 :-? Harry: I've missed a couple of updates... the last notice I received on my kde desktop showed 200+... yikes. Camaleón: He... yes, that hurts :-) I've

Re: Networking Q concerning /etc/network/interfaces

2012-02-12 Thread Camaleón
On Sun, 12 Feb 2012 11:39:45 -0500, Harry Putnam wrote: Camaleón noela...@gmail.com writes: (...) I've made the updates now but my kernel has not changed. Should it have? I have rebooted. You need to install the kernel metapackage (linux-image-686-pae) so it can be automatically updated

Re: Networking Q concerning /etc/network/interfaces

2012-02-12 Thread Brian
On Sat 11 Feb 2012 at 17:29:25 -0500, Harry Putnam wrote: A little more to the story is that the address shown in ifconfig -a for eth0 (192.168.1.54) is ping-able from around the network. That's ok. There is only 1 ethernet wire connected to the machine and no wireless, so both addresses

Re: Networking Q concerning /etc/network/interfaces

2012-02-12 Thread Tom H
On Sat, Feb 11, 2012 at 2:13 PM, Harry Putnam rea...@newsguy.com wrote: I'm getting confused by what I see in /etc/network/interfaces, compared to what I see with ifconfig -a. What I see in /etc/network/interfaces:  auto lo  iface lo inet loopback  allow-hotplug eth0  iface eth0 inet

Re: Networking Q concerning /etc/network/interfaces

2012-02-12 Thread Brian
On Sun 12 Feb 2012 at 17:25:19 +, Camaleón wrote: On Sun, 12 Feb 2012 11:39:45 -0500, Harry Putnam wrote: In the output below, and you can see the full dmesg from today along with the boot log from /var/log/boot at: www.jtan.com/~reader/vu/disp.cgi [ 14.496990] r8169

Re: Networking Q concerning /etc/network/interfaces

2012-02-12 Thread Tom H
On Sat, Feb 11, 2012 at 5:16 PM, Harry Putnam rea...@newsguy.com wrote: Camaleón noela...@gmail.com writes: On Sat, 11 Feb 2012 14:13:22 -0500, Harry Putnam wrote: So it appears at a superficial reckoning that dhcp has assigned an address to eth0, but that address appears to be attached to

Re: Networking Q concerning /etc/network/interfaces

2012-02-12 Thread Tom H
On Sat, Feb 11, 2012 at 5:29 PM, Harry Putnam rea...@newsguy.com wrote: Brian a...@cityscape.co.uk writes: and hostname -i shows:   127.0.1.1 192.168.1.42 AFAIK, these days this only works if 192.168.1.42 is in /etc/hosts or in the nis/nisplus/ldap equivalent. I vaguely remember bringing

Re: Networking Q concerning /etc/network/interfaces

2012-02-12 Thread Camaleón
On Sun, 12 Feb 2012 18:22:00 +, Brian wrote: On Sun 12 Feb 2012 at 17:25:19 +, Camaleón wrote: On Sun, 12 Feb 2012 11:39:45 -0500, Harry Putnam wrote: In the output below, and you can see the full dmesg from today along with the boot log from /var/log/boot at:

Re: Networking Q concerning /etc/network/interfaces

2012-02-12 Thread Brian
On Sun 12 Feb 2012 at 11:39:45 -0500, Harry Putnam wrote: I have connected something to the other ethernet port now ... and so ifconfig -a reports (with me doing nothing special but having rebooted): eth0 Link encap:Ethernet HWaddr 00:40:f4:b5:29:41 inet addr:192.168.2.126

Re: Networking Q concerning /etc/network/interfaces

2012-02-12 Thread Tom H
On Sat, Feb 11, 2012 at 8:22 PM, Harry Putnam rea...@newsguy.com wrote: Jesse Thompson jes...@gmail.com writes: the interfaces file is really only going to come into pay during bootup, or when using eg ifup/ifdown scripts. You indicated that you may have configured the interfaces by hand

Re: Networking Q concerning /etc/network/interfaces

2012-02-12 Thread Tom H
On Sun, Feb 12, 2012 at 11:39 AM, Harry Putnam rea...@newsguy.com wrote: I post a few things following todays reboot I have connected something to the other ethernet port now ... and so ifconfig -a reports (with me doing nothing special but having rebooted): eth0      Link encap:Ethernet  

Re: Networking Q concerning /etc/network/interfaces

2012-02-12 Thread Brian
On Sun 12 Feb 2012 at 18:53:07 +, Camaleón wrote: On Sun, 12 Feb 2012 18:22:00 +, Brian wrote: It means ifupdown was able to configure eth0 because there is now an ethernet cable attached to it. But Harry said there was no cable connected to that card :-? In the post you

Re: Networking Q concerning /etc/network/interfaces

2012-02-12 Thread Camaleón
On Sun, 12 Feb 2012 19:08:11 +, Brian wrote: On Sun 12 Feb 2012 at 18:53:07 +, Camaleón wrote: On Sun, 12 Feb 2012 18:22:00 +, Brian wrote: It means ifupdown was able to configure eth0 because there is now an ethernet cable attached to it. But Harry said there was no

Re: Networking Q concerning /etc/network/interfaces

2012-02-12 Thread Brian
On Sun 12 Feb 2012 at 13:34:45 -0500, Tom H wrote: On Sat, Feb 11, 2012 at 2:13 PM, Harry Putnam rea...@newsguy.com wrote: What explains this apparent anomaly? I can't explain why eth0 has an Ip address but it isn't UP. It's also bothered me as assigning an IP address automatically makes

Re: Networking Q concerning /etc/network/interfaces

2012-02-12 Thread Brian
On Sun 12 Feb 2012 at 19:32:31 +, Camaleón wrote: On Sun, 12 Feb 2012 19:08:11 +, Brian wrote: In the post you responded to there is: I have connected something to the other ethernet port now ... and so ifconfig -a reports (with me doing nothing special but having

Re: Networking Q concerning /etc/network/interfaces

2012-02-12 Thread Tom H
On Sun, Feb 12, 2012 at 2:33 PM, Brian a...@cityscape.co.uk wrote: On Sun 12 Feb 2012 at 13:34:45 -0500, Tom H wrote: On Sat, Feb 11, 2012 at 2:13 PM, Harry Putnam rea...@newsguy.com wrote: What explains this apparent anomaly? I can't explain why eth0 has an Ip address but it isn't UP.

Re: Networking Q concerning /etc/network/interfaces

2012-02-12 Thread Camaleón
On Sun, 12 Feb 2012 19:52:57 +, Brian wrote: On Sun 12 Feb 2012 at 19:32:31 +, Camaleón wrote: On Sun, 12 Feb 2012 19:08:11 +, Brian wrote: In the post you responded to there is: I have connected something to the other ethernet port now ... and so ifconfig -a

Re: Networking Q concerning /etc/network/interfaces

2012-02-12 Thread Brian
On Sun 12 Feb 2012 at 20:31:25 +, Camaleón wrote: On Sun, 12 Feb 2012 19:52:57 +, Brian wrote: the other ethernet port is ambiguous but the second statement and the ifconfig output make it clearer. Well, all this issue is around an ethernet card that received its configuration

Re: Networking Q concerning /etc/network/interfaces

2012-02-12 Thread Harry Putnam
I've made a thorough going mess of this thread by changing the game a couple of times during the course of it. Very foolish of me, and a number of people have put time and effort into trying to help. Thank you. I really am sorry for causing the confusion. My poorly thought out posts and bad

Networking Q concerning /etc/network/interfaces

2012-02-11 Thread Harry Putnam
Running wheezy - 3.0.0-1-686-pae I'm getting confused by what I see in /etc/network/interfaces, compared to what I see with ifconfig -a. What I see in /etc/network/interfaces: auto lo iface lo inet loopback allow-hotplug eth0 iface eth0 inet dhcp Does not match what I see with

Re: Networking Q concerning /etc/network/interfaces

2012-02-11 Thread Camaleón
On Sat, 11 Feb 2012 14:13:22 -0500, Harry Putnam wrote: Running wheezy - 3.0.0-1-686-pae Wheezy has now 3.1.0 :-? I'm getting confused by what I see in /etc/network/interfaces, compared to what I see with ifconfig -a. (...) So it appears at a superficial reckoning that dhcp has assigned

Re: Networking Q concerning /etc/network/interfaces

2012-02-11 Thread Brian
On Sat 11 Feb 2012 at 14:13:22 -0500, Harry Putnam wrote: Running wheezy - 3.0.0-1-686-pae I'm getting confused by what I see in /etc/network/interfaces, compared to what I see with ifconfig -a. What I see in /etc/network/interfaces: auto lo iface lo inet loopback

Re: Networking Q concerning /etc/network/interfaces

2012-02-11 Thread Harry Putnam
Camaleón noela...@gmail.com writes: On Sat, 11 Feb 2012 14:13:22 -0500, Harry Putnam wrote: Running wheezy - 3.0.0-1-686-pae Wheezy has now 3.1.0 :-? I've missed a couple of updates... the last notice I received on my kde desktop showed 200+... yikes. I'm getting confused by what I see

Re: Networking Q concerning /etc/network/interfaces

2012-02-11 Thread Harry Putnam
Brian a...@cityscape.co.uk writes: I can think of no way ifupdown is able to bring up an interface it has no knowledge of. Other network configuring programs could be in on the act though. Its been a pretty good while since I set up networking but I think I did it by hand edit of

Re: Networking Q concerning /etc/network/interfaces

2012-02-11 Thread Andrei Popescu
On Sb, 11 feb 12, 17:29:25, Harry Putnam wrote: A little more to the story is that the address shown in ifconfig -a for eth0 (192.168.1.54) is ping-able from around the network. There is only 1 ethernet wire connected to the machine and no wireless, so both addresses must be on the

Re: Networking Q concerning /etc/network/interfaces

2012-02-11 Thread Harry Putnam
Andrei Popescu andreimpope...@gmail.com writes: On Sb, 11 feb 12, 17:29:25, Harry Putnam wrote: A little more to the story is that the address shown in ifconfig -a for eth0 (192.168.1.54) is ping-able from around the network. There is only 1 ethernet wire connected to the machine and no

Re: Networking Q concerning /etc/network/interfaces

2012-02-11 Thread Brian
On Sat 11 Feb 2012 at 18:11:34 -0500, Harry Putnam wrote: Andrei Popescu andreimpope...@gmail.com writes: Not necessarily, this could happen if you configure IP forwarding. The machine is not being used as router. I haven't configured forwarding purposely, how would I check to see if

Re: Networking Q concerning /etc/network/interfaces

2012-02-11 Thread Jesse Thompson
the interfaces file is really only going to come into pay during bootup, or when using eg ifup/ifdown scripts. You indicated that you may have configured the interfaces by hand via ifconfig; if so those changes will not survive a reboot. How long since your last reboot? If it's safe to do on

Re: Networking Q concerning /etc/network/interfaces

2012-02-11 Thread Harry Putnam
Jesse Thompson jes...@gmail.com writes: the interfaces file is really only going to come into pay during bootup, or when using eg ifup/ifdown scripts. You indicated that you may have configured the interfaces by hand via ifconfig; if so those changes will not survive a reboot. How long