Open Stack

Hi, I'm using VLAN, not GRE.
(However, I check firewall, it does not block anything)


On Wed, Oct 16, 2013 at 4:32 PM, Robert Collins
<robertc at robertcollins.net>wrote:

> We saw a similar thing in TripleO on Fedora machines with GRE blocked
> by host firewalls. You might check that GRE packets are permitted.
>
> -Rob
>
> On 16 October 2013 22:26, Chu Duc Minh <chu.ducminh at gmail.com> wrote:
> > I use Quantum with VLAN and ip networknamespace.
> > After update some packages, all cloud instances lost connectivity.
> >
> > I run "ovs-vsctl show" and "ovs-ofctl dump-flows br-int" on both
> > quantum-node and compute-node to check.
> > In Quantum node, everything is ok.
> > root at quantum:/etc/init.d# ovs-ofctl dump-flows br-int
> > NXST_FLOW reply (xid=0x4):
> >  cookie=0x0, duration=3284.199s, table=0, n_packets=33404,
> n_bytes=2134467,
> > priority=2,in_port=156 actions=drop
> >  cookie=0x0, duration=3199.3s, table=0, n_packets=1593, n_bytes=101952,
> > priority=3,in_port=156,dl_vlan=101 actions=mod_vlan_vid:14,NORMAL
> >  cookie=0x0, duration=3090.599s, table=0, n_packets=1539, n_bytes=98496,
> > priority=3,in_port=156,dl_vlan=114 actions=mod_vlan_vid:23,NORMAL
> >  cookie=0x0, duration=3125.8s, table=0, n_packets=4036, n_bytes=257248,
> > priority=3,in_port=156,dl_vlan=4 actions=mod_vlan_vid:21,NORMAL
> > v.v...
> >
> > But in compute node, all my flows disappear:
> > root at compute-01:~# ovs-ofctl dump-flows br-int
> > NXST_FLOW reply (xid=0x4):
> >  cookie=0x0, duration=604.009s, table=0, n_packets=12897, n_bytes=823626,
> > priority=2,in_port=1 actions=drop
> >  cookie=0x0, duration=604.591s, table=0, n_packets=0, n_bytes=0,
> priority=1
> > actions=NORMAL
> >
> > I restarted nova-compute, quantum-plugin-openvswitch-agent. Also reboot
> > compute node.
> > But nothing can help.
> >
> > I checked log and did not found any error.
> > Do you know a quick fix for situation like that?
> >
> > Thank you very much!
> >
> >
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>
>
>
> --
> Robert Collins <rbtcollins at hp.com>
> Distinguished Technologist
> HP Converged Cloud
>
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