Ah, was worklng from memory, a mistake.
Just restarted everything and the address of the virtual machine is
192.168.122.216 so on a different subnet.
Looking at the output of ps aux | grep network, I found this:
ja@Hawaiian:~$ ps aux | grep network
nobody 6157 0.0 0.0 22760 956 ? S 22:04 0:00
dnsmasq --strict-order --bind-interfaces
--pid-file=/var/run/libvirt/network/default.pid --conf-file=
--listen-address 192.168.122.1 --except-interface lo --dhcp-range
192.168.122.2,192.168.122.254 --dhcp-lease-max=253
and an /sbin/ifconfig gives this:
a@Hawaiian:~$ /sbin/ifconfig
br0 Link encap:Ethernet HWaddr 00:1d:7d:0d:2a:9f
inet addr:192.168.1.2 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::21d:7dff:fe0d:2a9f/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:5244 errors:0 dropped:0 overruns:0 frame:0
TX packets:5619 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2243410 (2.1 MiB) TX bytes:726685 (709.6 KiB)
eth0 Link encap:Ethernet HWaddr 00:1d:7d:0d:2a:9f
inet6 addr: fe80::21d:7dff:fe0d:2a9f/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:12364 errors:0 dropped:0 overruns:0 frame:0
TX packets:13297 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:7409297 (7.0 MiB) TX bytes:2040280 (1.9 MiB)
Interrupt:31 Base address:0xc000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:3377 errors:0 dropped:0 overruns:0 frame:0
TX packets:3377 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:8275766 (7.8 MiB) TX bytes:8275766 (7.8 MiB)
virbr0 Link encap:Ethernet HWaddr fe:54:00:87:97:a6
inet addr:192.168.122.1 Bcast:192.168.122.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:95 errors:0 dropped:0 overruns:0 frame:0
TX packets:69 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:22584 (22.0 KiB) TX bytes:16266 (15.8 KiB)
vnet0 Link encap:Ethernet HWaddr fe:54:00:87:97:a6
inet6 addr: fe80::fc54:ff:fe87:97a6/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:95 errors:0 dropped:0 overruns:0 frame:0
TX packets:149 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:23914 (23.3 KiB) TX bytes:21043 (20.5 KiB)
so the question is how did virbr0 get here, and how do I alter it to
make my VM look like a normal network machine.
Thanks,
James
On 28/08/2012, Bob Proulx <b...@proulx.com> wrote:
> James Allsopp wrote:
>> I'm trying to learn more about networking and set up BIND, LDAP and
>> Nagios on a KVM virtual machine. The VM works great and I can ssh into
>> it from the host, and view the nagios pages from the host. However the
>> VM gets the address 192.168.1.x and the host is 192.168.1.2.
>
> What number is 'x' above? Hopefully some number other than .1 or .2.
>
>> auto br0
>> iface br0 inet static
>> address 192.168.1.2
>> network 192.168.1.0
>> netmask 255.255.255.0
>> broadcast 192.168.0.255
>> gateway 192.168.1.1
>> bridge_ports eth0
>> bridge_fd 0
>> bridge_hello 2
>> bridge_maxage 12
>> bridge_stp off
>
> Remove 'network' line. Remove 'broadcast' line. Let the tool
> calculate it from 'netmask'. That will prevent errors such as in the
> above where the broadcast setting is incorrect. :-) [It should have
> been 192.168.1.255 not 192.168.0.255.]
>
> I don't see any other problem.
>
> I do not set 'bridge_hello' nor 'bridge_maxage'. I do set
> 'bridge_maxwait' to 0. YMMV.
>
> I also use the resolvconf package and therefore also set
> dns-nameservers and dns-search but that is a separate thing.
>
> Bob
>
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