openstack team mailing list archive

[Anton Haldin <ahaldin@xxxxxxxxxxxxxxxx>]

you can check net.ipv4.ip_forward on machine with ip interface  10.0.8.1

i think on this machine you should have nova-network ( it manages iptables
rules,  brctl( bridges))

also you can use tcpdump on interface of VM to search icmp packets.


On Wed, Jun 6, 2012 at 5:34 PM, Leander Bessa Beernaert <leanderbb@xxxxxxxxx
> wrote:

>
>
> On Wed, Jun 6, 2012 at 2:33 PM, Anton Haldin <ahaldin@xxxxxxxxxxxxxxxx>wrote:
>
>>  Do you have default router in VM ?
>> netstat -rn
>>
>
> Destination     Gateway         Genmask         Flags   MSS Window  irtt
> Iface
> 0.0.0.0         10.0.8.1        0.0.0.0         UG        0 0          0
> eth0
> 10.0.8.0        0.0.0.0         255.255.255.192 U         0 0          0
> eth0
>
>
>>
>>
>> Do you have multinode configuration ?
>>
> if all services on one node, do you have ip_forward enabled?
>>  sysctl net.ipv4.ip_forward
>>
>>
>>
> I have one controller node and 4 compute nodes.
>
>
>>
>>
>> On Wed, Jun 6, 2012 at 5:16 PM, Leander Bessa Beernaert <
>> leanderbb@xxxxxxxxx> wrote:
>>
>>> This is what i find inside my vms:
>>>
>>> domain novalocal
>>>> search novalocal
>>>> nameserver 10.0.8.1
>>>
>>>
>>> I believe the name resolution is working (see output bellow from the
>>> ping command), but the vm's seem unable to access the ip.
>>>
>>>> ping www.google.com
>>>> PING www.l.google.com (74.125.230.16) 56(84) bytes of data.
>>>
>>>
>>> On Wed, Jun 6, 2012 at 2:12 PM, Anton Haldin <ahaldin@xxxxxxxxxxxxxxxx>wrote:
>>>
>>>> dns ? resolv.conf in VM
>>>>
>>>> On Wed, Jun 6, 2012 at 4:51 PM, Leander Bessa Beernaert <
>>>> leanderbb@xxxxxxxxx> wrote:
>>>>
>>>>> Hello,
>>>>>
>>>>> I'm having trouble accessing the outside world from within my
>>>>> instances. For instance, i can ping other instances on my network but i am
>>>>> unable to ping www.google.com.
>>>>>
>>>>> Any ideas?
>>>>>
>>>>>
>>>>> Regards,
>>>>>
>>>>> Leander
>>>>>
>>>>> _______________________________________________
>>>>> Mailing list: https://launchpad.net/~openstack
>>>>> Post to     : openstack@xxxxxxxxxxxxxxxxxxx
>>>>> Unsubscribe : https://launchpad.net/~openstack
>>>>> More help   : https://help.launchpad.net/ListHelp
>>>>>
>>>>>
>>>>
>>>
>>
>