resending to netstack list, reply all somehow mangled the address...
On Tue, May 8, 2012 at 8:12 AM, Dan Wendlandt <dan@nicira.com> wrote:
>
> Hi Yong,
>
> On Tue, May 8, 2012 at 6:40 AM, Yong Sheng Gong <gongysh@cn.ibm.com>wrote:
>
>>
>> Hi,
>> I have tried to run OVSQuantumTunnelAgent with two compute hosts. But VM
>> on hostb cannot get ip from dhcp server on hostb.
>>
>
> If the VM and the dhcp server are both on "hostb", then packets would be
> switched directly between them on br-int, they would not need to be
> tunneled. Perhaps you meant one was on hosta?
>
> Either way, please create a bug on launchpad and attach the output of the
> plugin agents running on both hosts. Thanks,
>
> Dan
>
> p.s. be sure that you've got the latest master, as there have been a
> couple important bug fixes recently.
>
>
>
>> I found the br-tun has the flows set:
>> [root@robinlinux ~]# ovs-ofctl show br-tun
>> OFPT_FEATURES_REPLY (xid=0x1): ver:0x1, dpid:0000b2dea5b34a44
>> n_tables:255, n_buffers:256
>> features: capabilities:0xc7, actions:0xfff
>> 1(patch-int): addr:aa:c9:ac:8c:be:a8
>> config: 0
>> state: 0
>> 2(gre-0): addr:76:4c:ca:ca:61:1c
>> config: 0
>> state: 0
>> 3(gre-1): addr:52:91:f7:6c:08:57
>> config: 0
>> state: 0
>> LOCAL(br-tun): addr:b2:de:a5:b3:4a:44
>> config: PORT_DOWN
>> state: LINK_DOWN
>> OFPT_GET_CONFIG_REPLY (xid=0x3): frags=normal miss_send_len=0
>> [root@robinlinux ~]# ovs-ofctl dump-flows br-tun
>> NXST_FLOW reply (xid=0x4):
>> cookie=0x0, duration=66.985s, table=0, n_packets=0, n_bytes=0,
>> priority=3,tun_id=0x2 actions=mod_vlan_vid:1,output:1
>> cookie=0x0, duration=69.593s, table=0, n_packets=2, n_bytes=652,
>> priority=4,in_port=1,dl_vlan=1 actions=set_tunnel:0x2,NORMAL
>> cookie=0x0, duration=1884.901s, table=0, n_packets=449, n_bytes=145796,
>> priority=1 actions=drop
>>
>> It seems we have just flows for connection between br-int and br-tun,
>> have no flows out/in for gre port. So all traffic on gre port are dropped
>> by default rule 3#.
>>
>> any thoughts?
>>
>> Thanks
>>
>>
>> --
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>>
>
>
> --
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Dan Wendlandt
> Nicira, Inc: www.nicira.com
> twitter: danwendlandt
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>
--
~~~~~~~~~~~~~~~~~~~~~~~~~~~
Dan Wendlandt
Nicira, Inc: www.nicira.com
twitter: danwendlandt
~~~~~~~~~~~~~~~~~~~~~~~~~~~