On Fri, Mar 15, 2013 at 9:06 PM, Fang <wchunx...@126.com> wrote:
> At 2013-03-15 23:31:07,"Jesse Gross" <je...@nicira.com> wrote:
>>On Thu, Mar 14, 2013 at 10:28 PM, Fang <wchunx...@126.com> wrote:
>>> Thank you for your reply.I have two more questions.
>>> 1.What's the difference between "internal port" and "fake bridge"?I can
>>> use
>>> "fake bridge" to replace "internal port" in my test.
>>
>>A fake bridge uses an internal port to emulate the vlan model used by
>>the Linux bridge. Therefore, they are functionally the same but a
>>fake bridge allows the use of bridge commands to manipulate it. If
>>you don't have existing tools then it is better to not use this
>>compatibility layer.
>>
>>> 2.If I use gre tunnel,i have to add the gre port to the different bridge
>>> with the host NIC(eth0).Is there any way to put "gre port"
>>> and eth0 on one bridge without causing a loop?
>>
>>You could use OpenFlow rules to completely isolate them. This
>>basically just creates two bridges within one.
>
> Thank you,but could you give me an example about gre
> my configuration
> Bridge "br0"
> Port "br0"
> Interface "br0"
> type: internal
> Port "tap1"
> Interface "tap1"
> Port "eth0"
> Interface "eth0"
> Port "gre0"
> Interface "gre0"
> type: gre
> options: {remote_ip="192.168.0.156"}
> ovs_version: "1.7.1"
> do you mean drop the packets from eth0 to gre0?
It's not really clear what your goal is here in trying to use only a
single bridge, so it's hard to say how to achieve that.
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