> Hi Folks, > I have a design in which Cisco 3548 XL's are GBIC-stacked on various floors > of a campus and are uplinked to a core Cat 6509 switch. The uplink from > every floor stack is ether-channeled to the core via two parallel equal-cost > paths. One uplink path starts "forwarding" and the other goes into > "blocking" mode from each floor stack. > > Here is my confusion... If only one link of a 400 MBps full-duplex > ether-channel fails from the forwarding path , will it invoke spanning-tree > recalculation ??? Or will the 'now' sub-optimal path still remain in > forwarding mode and the now more-bandwidth path remain in blocking mode ??? >
the 'suboptimal' path will continue until all the links fail. At that point, STP will detect the link failure and recalculate. > Since spanning-tree recalculation causes a lot of ripples throughout the > switched network, I would assume that the latter were true. However, I would > like to hear views from people who would think that the former scenario is > more probable. > > Thanks very much. > > Aziz _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=23626&t=23614 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]