Re: Networking Q concerning /etc/network/interfaces

[Tom H <tomh0665@gmail.com>]

On Sun, Feb 12, 2012 at 11:39 AM, Harry Putnam <reader@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  HWaddr 00:40:f4:b5:29:41
>          inet addr:192.168.2.126  Bcast:192.168.2.255  Mask:255.255.255.0
>          inet6 addr: fe80::240:f4ff:feb5:2941/64 Scope:Link
>          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>          [...]
>
> eth1      Link encap:Ethernet  HWaddr 00:11:09:ee:6c:04
>          inet addr:192.168.1.42  Bcast:192.168.1.255  Mask:255.255.255.0
>          inet6 addr: fe80::211:9ff:feee:6c04/64 Scope:Link
>          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>
> both have received a dns served address (the one ending 42 is hard
> coded at the router by MAC. The range 100-150 is left for misc).

(a dhcp served address)

This makes sense and is normal. (By the way, if you don't have a cable
connected to eth0, "ifconfig" and "ifconfig -a" should give you
different outputs, the former showing only NICs that are up.)


> Here is a current grep of dmesg.
>
> Note in the /var/log/boot file that something called `NetworkManager'
> is setting up the connections.  I don't know what the virutal private
> stuff is about... not my doing.
>
>  grep network /var/log/boot
>
> [...]
> Sun Feb 12 09:32:53 2012: Setting up networking....
> Sun Feb 12 09:32:53 2012: Configuring network interfaces...done.
> Sun Feb 12 09:32:58 2012: Starting network connection manager: NetworkManager.
> Sun Feb 12 09:32:59 2012: Starting virtual private network daemon:.
> [...]

So NM's bringing up eth1.