[ovs-discuss] link failure detection in OVS

Padma Jayasankar padmajs80 at gmail.com
Fri Oct 17 04:38:19 UTC 2014


Thanks for the information.
As i am new to openvswitch, coudn't understand the use of link failure
detection. If it is not related with flow table,then what is the purpose of
it?

On Fri, Oct 17, 2014 at 8:52 AM, Ben Pfaff <blp at nicira.com> wrote:

> On Fri, Oct 17, 2014 at 08:42:56AM +0530, Padma Jayasankar wrote:
> > 1. Is bond_detect_mode defaulted to carrier in Openvswitch.(am using
> > openvswitch 2.1.0)
>
> This is documented in ovs-vswitchd.conf.db(5).  Search for "carrier".
>
> > 2. When this is set to carrier if a switch has two entries for the same
> > destination(with different priorities) in its flow table and the link
> > corresponding to higher priority flow table entry fails, how the switch
> > will behave.
> >   -will it use the second entry automatically.(without controller's
> > intervention)
> >   -what will happen to the higher priority entry..will it be kept there
> >   - Will it send a message to the controller abt the link failure.
>
> Link failure doesn't affect flow table searches.
>
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