[Openstack] Instance cannot access internet

Ritesh Nanda riteshnanda09 at gmail.com
Thu Aug 8 03:14:21 UTC 2013


hello jake,

Can't see that you have added any external interface to br-ex in ovs-vsctl
show command output.

ovs-vsctl add-br br-ex
ovs-vsctl add-port br-ex <external interface>
ip link set up br-ex




On Mon, Aug 5, 2013 at 4:07 PM, Jake G. <dj_dark_junglist at yahoo.com> wrote:

> - Yes My br-ex bridge has the IP 192.168.100.1 which I can ping from the
> 192.168.100.X network.
> -I cannot ping 192.168.100.98 from the the 192.168.100.X network and Openstack
> Host
>
>
> ------ My openvswith layout-----
> sudo ovs-vsctl show
> 3e02cdce-70d3-4f04-8f85-ec76aa63967b
>     Bridge br-ex
>         Port "qg-8f16644e-43"
>             Interface "qg-8f16644e-43"
>                 type: internal
>         Port br-ex
>             Interface br-ex
>                 type: internal
>     Bridge br-int
>         Port br-int
>             Interface br-int
>                 type: internal
>         Port "qvo2a3d522a-28"
>             tag: 1
>             Interface "qvo2a3d522a-28"
>         Port "tap2a713313-38"
>             tag: 1
>             Interface "tap2a713313-38"
>                 type: internal
>         Port "qr-504a0174-ce"
>             tag: 1
>             Interface "qr-504a0174-ce"
>                 type: internal
> ----------------------------------------------
>
>
>   ------------------------------
>  *From:* nilesh pawar <nilesh56 at gmail.com>
> *To:* Jake G. <dj_dark_junglist at yahoo.com>
> *Cc:* "openstack at lists.openstack.org" <openstack at lists.openstack.org>
> *Sent:* Monday, August 5, 2013 7:30 PM
> *Subject:* Re: [Openstack] Instance cannot access internet
>
> Hi
> can u try to ping 192.168.100.98.
> Also is ur br-ext over quantum node having an IP.?
>
>
> On Mon, Aug 5, 2013 at 1:39 PM, Jake G. <dj_dark_junglist at yahoo.com>wrote:
>
> Hi all! I have finally made some progress on networking, but now I have an
> issue with accessing the internet from an instance.
>
> After creating an instance, it receives a private IP from DHCP services
> (including DNS servers) which I can see in the console. Trying to ping
> yahoo.com does not work but I can ping 10.0.0.1 which is the private
> network gateway.
>
> I attached some helpful screenshots. I did notice that in the Network
> Topology view, there is no gateway IP address for the Public network
> showing,
> But I did set the gateway to 192.168.100.98
>
> Thank you in advance.
> Jake
>
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>
>
>
> --
> Nilesh Pawar
>
>
> Avoid the Gates of Hell.  Use Linux
>
>
>
>
>
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>


-- 

* With Regards
*

* Ritesh Nanda
*

***
*
<http://www.ericsson.com/>
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