N-Tron 9000 - Manual (Page 50)

(Revised 2011-07-20) page 50 of 145
RSTP – RSTP Configuration, Continued…
It is valid to have RSTP rings linked to non-N-Ring ports of active N-Ring Members, as above.
As marked above, it is not valid to expect RSTP to block redundant N-Ring links nor for N-Ring to block
redundant RSTP links.