[Openstack] RDO, Can't ping Gateway, etc.

Remo Mattei remo at italy1.com
Sun May 29 20:42:42 UTC 2016


try this


DEVICE=br-ex
TYPE=OVSBridge
DEVICETYPE=ovs
ONBOOT=yes
IPADDR=200.100.100.100
GATEWAY=255.255.255.254
PREFIX=27
DNS1=8.8.8.8


DEFROUTE=yes
NAME="System eth1"
DEVICE=eth1
TYPE=OVSPort
DEVICETYPE=ovs
OVS_BRIDGE=br-ex
ONBOOT=yes


> On May 29, 2016, at 21:59, Thales <thaleslv at yahoo.com> wrote:
> 
> Remo,
> 
> Okay!
> 
> Here is the ifcfg-enp0s3 file:
> 
> 
> DEVICE="enp0s3"
> NAME="enp0s3"
> HWADDR=08:00:27:3F:5C:38
> BOOTPROTO="none"
> TYPE=OVSPort
> DEVICETYPE=ovs
> OVS_BRIDGE=br-ex
> ONBOOT="yes"
> NM_CONTROLLED=no
> UUID=564f39b1-c69f-46d0-a728-54f667b922f
> 
> 
> 
> Here is the ifcfg-br-ex file:
> 
> DEVICE=br-ex
> DEVICETYPE=ovs
> TYPE=OVSBridge
> BOOTPROTO=static
> IPADDR=192.168.1.12
> NETMASK=255.255.255.0
> GATEWAY=192.168.1.1
> DNS1=205.171.3.66
> DNS2=205.171.202.166
> ONBOOT=yes
> NM_CONTROLLED=no
> IPV6INIT=n
> 
> 
> 
> ...John
> 
> 
> On Sunday, May 29, 2016 3:07 AM, Remo Mattei <remo at italy1.com> wrote:
> 
> 
> can you share the ifcfg-enp0s3 and the ifcfg-br-ex?
> 
> Thanks..
> 
> 
>> On May 29, 2016, at 08:20, Thales <thaleslv at yahoo.com <mailto:thaleslv at yahoo.com>> wrote:
>> 
>> Remo,
>> 
>> I ran ovs-vsctl show
>> 
>> Here is the output for br-ex:
>> 
>>     Bridge br-ex
>>         Port "enp0s3"
>>             Interface "enp0s3"
>>         Port "qg-eb921913-b5"
>>             Interface "qg-eb921913-b5"
>>                 type: internal
>>         Port phy-br-ex
>>             Interface phy-br-ex
>>                 type: patch
>>                 options: {peer=int-br-ex}
>>         Port br-ex
>>             Interface br-ex
>>                 type: internal
>> 
>> It's connected to the enp0s3 interface (Centos 7's interface), the br-ex interface, and to the virtual router.
>> 
>> 
>> About the output of ovs:
>> 
>> I'm not sure what you mean exactly.  If I ping from the virtual router namespace, I can reach 192.168.1.11 (host os) and 192.168.1.12 (guest os).    
>> 
>> tcpdump shows that the enp0S3 port detects the 192.168.1.11 ping.
>> The br-ex port detects the 192.168.1.12 ping.
>> 
>> 
>> ...John
>> 
>> On Saturday, May 28, 2016 10:18 PM, Remo Mattei <Remo at Italy1.com <mailto:Remo at italy1.com>> wrote:
>> 
>> 
>> What's the config on your external bridge and the output of your ovs?
>> 
>> Inviato da iPhone
>> 
>> Il giorno 29 mag 2016, alle ore 02:23, Thales <thaleslv at yahoo.com <mailto:thaleslv at yahoo.com>> ha scritto:
>> 
>>> When I ping 192.168.1.1 from my root namespace, there is a reply.     Pinging 193.128.1.2 gets no reply.   Also, my physical router is reachable at 192.168.1.1, because I configure it via browser with that local IP.
>>> 
>>> Thanks for your reply, Remo!
>>> 
>>> ...John
>>> 
>>> On Saturday, May 28, 2016 2:49 PM, Remo Mattei <Remo at Italy1.com <mailto:Remo at italy1.com>> wrote:
>>> 
>>> 
>>> Maybe your gateway is .2 and not .1 did you try that. If that's the case you need to change that in your openstack config so you can get out 
>>> 
>>> Inviato da iPhone
>>> 
>>> Il giorno 28 mag 2016, alle ore 12:38, Thales <thaleslv at yahoo.com <mailto:thaleslv at yahoo.com>> ha scritto:
>>> 
>>>> Hello,
>>>> 
>>>>    I have RDO ALL-In-One installed.    I set up a private network and a public (external) network.     I set up a virtual router to connect the private network to the external network.    I have RDO installed on Centos 7 as a guest.  Windows 10 is my host OS.
>>>> 
>>>> When I move into the virtual router's namespace, I can ping the guest os's IP address (192.168.1.12) and I can ping the host os's address (192.168.1.11), but when I try to ping the gateway (192.168.1.1) it tells me it is unreachable.  It also fails when I try to ping google.com <http://google.com/>
>>>> 
>>>>   I can ping the gateway and google.com <http://google.com/> from the root namespace of the guest os, centos 7.
>>>> 
>>>>    RDO uses Open vSwitch.
>>>> 
>>>>  I'd appreciate any help on this problem!
>>>> 
>>>>   Thanks!
>>>>   ...John
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>>>> 
>>>> 
>>>> 
>>> 
>>> 
>> 
>> 
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> 
> 
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