Re: network/bridging problems

2013-10-06 Thread Tom H
On Sun, Oct 6, 2013 at 2:14 PM, Ross Boylan wrote: > I removed network manager and have this in /etc/network/interaces: > > # eth2 managed by bridge and not otherwise mentioned > > auto br0 > iface br0 inet dhcp >bridge_ports eth2 > > That seems to work with the kvm-ifup script provided by w

Re: network/bridging problems

2013-10-06 Thread Ross Boylan
I removed network manager and have this in /etc/network/interaces: # eth2 managed by bridge and not otherwise mentioned auto br0 iface br0 inet dhcp bridge_ports eth2 That seems to work with the kvm-ifup script provided by wheezy qemu-kvm. Note I have not rebooted since setting this up, and

Re: network/bridging problems

2013-10-06 Thread Tom H
On Thu, Oct 3, 2013 at 8:14 PM, Bob Proulx wrote: >> >> Arun made a suggestion that >> > Your 'physical' device eth0/eth2 or whatever needs to be added to the >> bridge. >> I believe that is done by the /etc/kvm/kvm-ifup script that is executed >> when I launch the virtual machine. > > I think tha

Re: network/bridging problems

2013-10-06 Thread Tom H
On Wed, Oct 2, 2013 at 3:40 PM, Ross Boylan wrote: > > Arun made a suggestion that >> Your 'physical' device eth0/eth2 or whatever needs to be added to the bridge. > I believe that is done by the /etc/kvm/kvm-ifup script that is executed when I > launch the virtual machine. > It says, in part > >

Re: network/bridging problems

2013-10-06 Thread Tom H
On Wed, Oct 2, 2013 at 3:05 AM, Ross Boylan wrote: > I setup bridging on my system for kvm, but on restart of the host system > (no guest VM's running) could not ping outside my local network. > > Bringing the bridge down corrected the problem, but I'm trying to > understand what is going on,

Re: network/bridging problems

2013-10-03 Thread Bob Proulx
Ross Boylan wrote: > Bob Proulx wrote: > > I think that file must have been removed at some point. I have > > the qemu-kvm package (which owns that file) installed but do not have > > that file on my system. The qemu-kvm.postinst script in the current > > package removes the conffile. So just a

Re: network/bridging problems

2013-10-03 Thread Ross Boylan
On Thu, Oct 3, 2013 at 5:14 PM, Bob Proulx wrote: > Greg has made some excellent explanation and answers. I wanted to > comment on a few other things. > > Ross Boylan wrote: > > > Arun made a suggestion that > > > Your 'physical' device eth0/eth2 or whatever needs to be added to the > > bri

Re: network/bridging problems

2013-10-03 Thread Bob Proulx
Greg has made some excellent explanation and answers. I wanted to comment on a few other things. Ross Boylan wrote: > My wireless router is currently serving as a dhcp server; it has a reserved > IP for the system under discussion. Okay. That will work. I don't prefer it for a serious server c

Re: network/bridging problems

2013-10-03 Thread Gregory Nowak
On Thu, Oct 03, 2013 at 09:44:31AM -0700, Ross Boylan wrote: > Greg, thanks for explaining this. I'm still puzzled about one point, below. > > > On Wed, Oct 2, 2013 at 4:10 PM, Gregory Nowak wrote: > > > On Wed, Oct 02, 2013 at 12:40:26PM -0700, Ross Boylan wrote: > > > Can anyone explain to m

Re: network/bridging problems

2013-10-02 Thread Gregory Nowak
On Wed, Oct 02, 2013 at 12:40:26PM -0700, Ross Boylan wrote: > Can anyone explain to me what difference between tap and the bridge is? > They both seem to do the same thing*, but apparently tap needs to be hooked > in to a bridge. And for some reason the qemu/kvm docs seems to recommend > tap. Ok

Re: network/bridging problems

2013-10-02 Thread Ross Boylan
In response to Emanuel's question, > How did you configured eth2? dhcp too? why you tap as bridge port intend of eth2? and Bob's question below on network managers: When the system started /etc/network/interfaces did not mention eth2. network-manager is installed but wicd is not. My wireless rout

Re: network/bridging problems

2013-10-02 Thread Bob Proulx
Ross Boylan wrote: > /etc/network/interfaces has (on the advice of a wiki page on Debian and > kvm) Which page is "a wiki page"? I didn't find a wiki.debian.org one that had an example like it. How about this one? It has good working examples. http://wiki.libvirt.org/page/Networking > auto

Re: network/bridging problems

2013-10-02 Thread Arun Khan
On Wed, Oct 2, 2013 at 12:35 PM, Ross Boylan wrote: > I setup bridging on my system for kvm, but on restart of the host system > (no guest VM's running) could not ping outside my local network. > > Bringing the bridge down corrected the problem, but I'm trying to > understand what is going on, an

Re: network/bridging problems

2013-10-02 Thread emmanuel segura
How did you configured eth2? dhcp too? why you tap as bridge port intend of eth2? 2013/10/2 Ross Boylan > I setup bridging on my system for kvm, but on restart of the host system > (no guest VM's running) could not ping outside my local network. > > Bringing the bridge down corrected the probl

network/bridging problems

2013-10-02 Thread Ross Boylan
I setup bridging on my system for kvm, but on restart of the host system (no guest VM's running) could not ping outside my local network. Bringing the bridge down corrected the problem, but I'm trying to understand what is going on, and how I can make networking from the VM's work. /etc/network/