sir,I hav designed a Ring topology using 15 CE switches( capable of video and voice data transmission ) via single mode optical fibre,Now am not getting the idea of STP configuration.\1>Do i need to configure STP on EVERY SINGLE SWitch?2>Is there any...

We would like to establish Voice connectivity to reduce calling cost between our two offices,one is in india and the other one is in dubai. We have not yet able to decide a cost effective tentative initaial setup between dubai and india ,,A dedicate...

Dear All, I m working on a project in which we are using leased lines for connecting four sites with the central site. presently we are using CTU-S(Tellabs 8110) for leased line connections. But now we want to implement CTU-R NTUs along with CTU-S. H...