[ovs-discuss] Difference in behavior between master branch and latest download version

Aishwarya aishu85 at gmail.com
Thu Feb 7 15:41:34 UTC 2013


Hi,

Any update on this issue?

Thanks.
On Feb 6, 2013 10:28 AM, "Aishwarya" <aishu85 at gmail.com> wrote:

> Hi,
>
> I am working with creating multiple userspace only switches on a host. I
> am not using the kernel module. While I am able to do this successfully
> with the latest 1.7.3 download version, it fails in the latest snapshot of
> the master version:
>
> Steps:
>
> 1. Create conf.db, start ovsdb-server, and start vswitchd.(point to separate conf.db and separate OVS_RUNDIR for the 2 switches that I am trying to create)
>
> 2. Create the 2 switches:
>
> 1st switch:
>
> ovs-vsctl --db=<path to db.sock> add-br dp0
> ovs-vsctl --db=<path to db.sock> set bridge dp0 datapath_type=netdev
>
> 2nd switch:
> ovs-vsctl --db=<path to db.sock> add-br dp1
> ovs-vsctl --db=<path to db.sock> set bridge dp1 datapath_type=netdev
>
> In 1.7.3, after the above steps, I successfully see 2 switches dp0 and dp1 on the host with ifconfig -a.
>
> In the latest snapshot of the master version, after the 1st switch is created, ifconfig -a
>
> shows a dp0 and additionally another device called ovs-netdev.
>
> When I try to create the second switch, while the steps do not fail upfront(i.e. no error messages), ifconfig -a *does not* show a dp1, and any subsequent commands referring to dp1 give the error message: dp1 is not a bridge or a socket.
>
> Since the master branch is more updated, is this behaviour expected i.e. not being to able to create more than one user space switch on a host?
>
> Thanks.
>
>
>
>
>
>
>
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