NDS- IPX problem [7:12020]

1. One of my Netware5 server is showing two NDS trees instead of our single tree. The only difference is that the name of the real one is : a-b and the other one shown is a|b. a|b can not be opened but a-b is working. 2. At the same time, SHO IPX server on a Netware5 server shows only a few IPX

ATM and OAM in Canada [7:7795]

Bell Canada says they do not support OAM cells so on my CISCO router ATM inetrface I can not configure OAM. Now, when the ATM PVC goes down, router does not see it as down (in and protocol remain up and up), and Openview does not consider it down.. result:: practically the pvcs are unmonitored !!