On Thu, Mar 5, 2015 at 11:21 AM, Ben Pfaff <b...@nicira.com> wrote:
> On Thu, Mar 05, 2015 at 09:40:44AM -0800, Gurucharan Shetty wrote:
>> On Thu, Mar 5, 2015 at 8:50 AM, Ben Pfaff <b...@nicira.com> wrote:
>> > I've explained this a lot over the years.
>> >
>> > Signed-off-by: Ben Pfaff <b...@nicira.com>
>> > ---
>> > FAQ.md | 24 ++++++++++++++++++++++++
>> > 1 file changed, 24 insertions(+)
>> >
>> > diff --git a/FAQ.md b/FAQ.md
>> > index 5ee529c..fc4161c 100644
>> > --- a/FAQ.md
>> > +++ b/FAQ.md
>> > @@ -772,6 +772,30 @@ A: If you add them one at a time with ovs-vsctl, it
>> > can take a long
>> >
>> > takes seconds, not minutes or hours, in the OVS sandbox environment.
>> >
>> > +Q1: I created a bridge named br0. My bridge shows up in "ovs-vsctl
>> > + show", but "ovs-ofctl show br0" just prints "br0 is not a bridge
>> > + or a socket".
>> > +Q2: I have a bridge br0. I added a new port vif1.0, and it shows
>> > + up in "ovs-vsctl show", but "ovs-vsctl list port" says that it has
>> > + OpenFlow port ("ofport") -1, and "ovs-ofctl show br0" doesn't show
>> > + vif1.0 at all.
>> I think the Q2 is no longer true.
>>
>> root@ubuntu-test:~# ovs-vsctl add-port br0 p20
>> ovs-vsctl: Error detected while setting up 'p20'. See ovs-vswitchd
>> log for details.
>> root@ubuntu-test:~# ovs-vsctl show
>> b1d3db14-03d2-4f3d-9db8-95d16441589a
>> Bridge "br0"
>> Port "p0"
>> Interface "p0"
>> Port "p20"
>> Interface "p20"
>> error: "could not open network device p20 (No such device)"
>> Port "br0"
>> Interface "br0"
>> type: internal
>> ovs_version: "2.3.90"
>> root@ubuntu-test:~#
>
> Yeah, it's true that newer versions are more helpful, but we still get
> the question because not everyone is using the newest version.
>
> How about this version?
>
> --8<--------------------------cut here-------------------------->8--
>
> From: Ben Pfaff <b...@nicira.com>
> Date: Thu, 5 Mar 2015 11:20:56 -0800
> Subject: [PATCH] FAQ.md: Explain why "ovs-vsctl show" shows a port but it
> isn't there.
>
> I've explained this a lot over the years.
>
> Signed-off-by: Ben Pfaff <b...@nicira.com>
> ---
> FAQ.md | 34 ++++++++++++++++++++++++++++++++++
> 1 file changed, 34 insertions(+)
>
> diff --git a/FAQ.md b/FAQ.md
> index 5ee529c..0519721 100644
> --- a/FAQ.md
> +++ b/FAQ.md
> @@ -772,6 +772,40 @@ A: If you add them one at a time with ovs-vsctl, it can
> take a long
>
> takes seconds, not minutes or hours, in the OVS sandbox environment.
>
> +### Q: I created a bridge named br0. My bridge shows up in "ovs-vsctl
> + show", but "ovs-ofctl show br0" just prints "br0 is not a bridge
> + or a socket".
> +
> +A: Open vSwitch wasn't able to create the bridge. Check the
> + ovs-vswitchd log for details (Debian and Red Hat packaging for Open
> + vSwitch put it in /var/log/openvswitch/ovs-vswitchd.log).
> +
> + In general, the Open vSwitch database reflects the desired
> + configuration state. ovs-vswitchd monitors the database and, when
> + it changes, reconfigures the system to reflect the new desired
> + state. This normally happens very quickly. Thus, a discrepancy
> + between the database and the actual state indicates that
> + ovs-vswitchd could not implement the configuration, and so one
> + should check the log to find out why. (Another possible cause is
> + that ovs-vswitchd is not running. This will make "ovs-vsctl"
> + commands hang, if they change the configuration, unless one
> + specifies "--no-wait".)
> +
> +### I have a bridge br0. I added a new port vif1.0, and it shows
Missing 'Q'
Acked-by: Gurucharan Shetty <gshe...@nicira.com>
> + up in "ovs-vsctl show", but "ovs-vsctl list port" says that it has
> + OpenFlow port ("ofport") -1, and "ovs-ofctl show br0" doesn't show
> + vif1.0 at all.
> +
> +A: Open vSwitch wasn't able to create the port. Check the
> + ovs-vswitchd log for details (Debian and Red Hat packaging for Open
> + vSwitch put it in /var/log/openvswitch/ovs-vswitchd.log). Please
> + see the previous question for more information.
> +
> + You may want to upgrade to Open vSwitch 2.3 (or later), in which
> + ovs-vsctl will immediately report when there is an issue creating a
> + port.
> +
> +
> Quality of Service (QoS)
> ------------------------
>
> --
> 1.7.10.4
>
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