Just want to try.If I use different bridges,VM cannot access to the internet.I
am now trying to link the virtual environment into the physical network using
OVS.
At 2013-03-18 08:46:02,"Jesse Gross" <je...@nicira.com> wrote:
>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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