On 20 Apr 2005 08:09:23 -0000 "ashish anand" <ashish_ibm@xxxxxxxxxxxxxx> wrote: > if I just connect two similar port say both 10 gb of one switch to another symmetric bridge with stp enabled on both bridge , stpstate of all four ports always remain forwarding. Is STP enabled? It is off by default now. > ( may be because all four of them are either root or desginated port in above setup) > > should I except that one port atleast will get into blocking state , if i connect two non-similar ports together say a 10gb port on one switch to FE port on another switch as now path-cost to root will differ. ( as path-cost depending on link speed ) > If STP is working, it should see the loop and take one port out of forwarding. > Best Regards, > Ashish Anand