[c-nsp] necessity of nowadays

Lee ler762 at gmail.com
Wed Mar 23 07:58:56 EDT 2016

On 3/23/16, Sebastian Beutel <sebastian.beutel at rus.uni-stuttgart.de> wrote:
> Hi List,
>     i've been pondering about the real need for udld nowadays, each time it
> bites me in a case of false positive. At least since we have gigabit SFPs
> it
> became almost impossible to willfully provoke an unidirectinal link: The
> physical port allready detects missing light and goes down.
>     Moreover, the main use of udld (prevent unidirectional loops in an stp
> topology) has also lost importance since link aggregation has replaced load
> balancing via multiple or per vlan stp topologys.
>     That's why i am asking myself whether udld is a residue that nowadays
> causes more harm than it prevents and should therefore not be used anymore.
> At least on gigabit and faster links and if there are no really dumb
> media converters involved.
> What do you think?

I had almost the same question
and the same experience of udld shutdowns always being a false
positive on Gb links.

& it is worth you time to take a look at BRKDCT-2333


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