HiJust wondering what the current thoughts are on the following common problem  .......Have 3 x L3 distribution pairs (#1, 2 and 3) with a number of fully redundant L2 access switches off each Distributions are connected via a L2 core VLAN X is root/...

Hi,In an environment where it is very difficult to get downtime for maintenance/software upgrades. Today on 6500 Sup2 performing an OS upgrade means a switch reset. Realise we would need to move to new platform/supervisor to get full benefits of ISSU...

Hi Folks,Besides the occasional s/w bugs we are challenged with from time to time the biggest downtime we encounter are failed line cards especially ws-x6248-rj45 and ws-x6348-rj45 (not always full HW fail, sometimes soft reset or reinsertion will re...

HiI have a necessity to create PVLAN's in the 1025-4094 range on 6500. CCO notes the following ..."You can configure private VLAN parameters and RSPAN for extended-range VLANs; however, all other parameters for extended-range VLANs use the system def...

With rapid spanning tree once root bridge is elected (either manually or automatically) affect of topology changes on stub bridges will be limited - 3 secs to move from blocking to forwarding etc. Just wondering what would happen if the root bridge i...