[j-nsp] vpls loop avoidance

[Humair Ali]

If you need a shorter mac timeout,

you can set the mac aging timer to a lower value than the default 300ms
timeout

On 20 October 2011 20:28, Sebastian Wiesinger <juniper-nsp at ml.karotte.org>wrote:

> * Phil Bedard <philxor at gmail.com> [2011-10-13 02:01]:
> > Coming soon to at least one platform, but haven't heard anything about
> > Juniper.  The active/standby mechanisms work pretty well but
> active/active
> > using something like SPBM or TRILL would be nicer.
>
> One problem with active/standby is mac aging on the CE switch(es).
> When the primary PE goes down, the backup PE takes over and the
> CE-switches learn mac addresses on the link towards the backup PE.
> Now when the primary link comes online again, the VPLS on the primary
> PE goes active, forcing the standby PE to deactivate VPLS. The CE
> switches still have the mac addresses learned on the port to the
> standby PE so you have to wait until the mac addresses age out (or a
> packet with that source mac comes in from the primary PE).
>
> Regards,
>
> Sebastian
>
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-- 
Humair