Thinking about this a bit more, wouldn't the two VLANs just re-converge and create a loop-free topology around one bridge? Certainly not optimal, but not a loop...
On Mon, 2011-10-03 at 20:39 -0400, Douglas Koobs wrote: > I'm reading the SWITCH foundation learning guide, and it states that a > trunk with mismatched native VLANs can lead to a loop because BPDUs are > sent to the IEEE MAC address 0180.c200.0000 > > I think I understand at a very high level how this could happen: The > root bridge of one of the VLANs would be superior to the root bridge of > the other VLAN, and some of the switches would begin to converge around > the root bridge from the wrong VLAN. > > However, this situation is still fuzzy around the edges to me, which > usually means I'm missing something fundamental. Am I? > > Thanks! > > Doug _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com
