[c-nsp] udld fail ?

[Nick Hilliard]

james list wrote:
> Apparently the Cisco gear has disabled one out of the two ten giga
> interface after some flapping of the other one and due to UDLD that is
> currently non configured as aggressive nor bidirectional (not supported by
> Juniper gear).
> 
> Among the two gears LACP fast is running.
> 
> I kindly ask any feedback if it's something already experienced by somebody.

udld is proprietary and non-interoperable technology.  One vendor's
implementation will not work with another's.  Sometimes, a vendor's
implementation will not interoperate with other equipment from the same
vendor.  You need to disable udld on the c6500.

Nick