Hello, can you elaborate on the solution a little bit? How does it work, when you disable STP on the IBM switches while still leave STP as a fallback mechanism in VPC LAPC port-channel? What does the N5K switch think of such links? - sh spanning-tree...

Marvin great help! Thank you

No worries Erik, update - so it's not really "kosher" solution, but here is how you can trick it with regex search instead of exact position search. Hope this helps someone else. #read 20B from the sock to the line variable set line [read $sock 20] ...

Hello Erik, can you help me little bit with the resolution? What that individual parameters mean and how did you get to those. I assume it's position where to read the string and what to expect, but could you translate it to someone like me? Thank ...