[j-nsp] Too much packet loss during switchover on MPLS network

[Keegan Holley]

On Mon, Mar 14, 2011 at 1:25 PM, Diogo Montagner
<diogo.montagner at gmail.com>wrote:

> Do you have FRR enabled on the LSPs ?
>

Node protection and link-protection is the same thing as fast re-route.

Is it configured correctly though?  You have to configure a secondary path
under protocols mpls and then enable it for FRR/node protection.  You can't
just enable it and have it work.
Also, what does the topology look like?  Could you just be waiting for
customer routing/spanning tree?  Even without FRR your lsp's failover at the
speed of your IGP when a link is shut down.  None of them take 41 seconds.

>
>
> On Tue, Mar 15, 2011 at 12:46 AM, Gökhan Gümüş <ggumus at gmail.com> wrote:
> > Dear all,
> >
> > I have a problem with one of our customer.
> >
> > Customer has been deployed with VPLS. We are using primary path and
> > secondary path ( standby ) to handle VPLS traffic between sites.
> >
> > Within a maintenance window, we made a failover test. Customer was
> pinging
> > remote site continuosly and we would like to test how many packets are
> being
> > lost during switchover. When i triggered transition from primary to
> > secondary, customer lost 41 packets during ping test. Then i implemented
> > node-link-protection and link protection in case they help but customer
> > experienced same amount of packet loss during transition.
> >
> > My question, is it a normal behaviour? From my perspective it is not a
> > normal behaviour.
> >
> > Has anybody such an experince?
> >
> > Thanks and regards,
> >
> > Gokhan
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> >
>
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