SONET/SDH virtual tributary mapping to use KLM mode

Christian Martin christian.martin at
Thu Sep 16 13:47:57 UTC 2010

On Sep 16, 2010, at 8:57 AM, Danijel <theghost101 at> wrote:

> K describes TUG-3 group (1-3)
> L describes a TUG-2 group inside a TUG-3 (1-7)
> M describes a TU-12/VC12/E1 inside a TUG-2 (1-3)
> I'm not sure if they actually have some meaning.

They are merely alphabetical indexes.


More information about the NANOG mailing list