Brocade Software Test Engineer III interview questions

I had two rounds of interview. First round was with the hiring manager. Basic questions on networking and one of the protocols mentioned in my resume was asked question on that. Second round was a in-depth. Again two more protocols taken from resume, question were asked on that.different scenarios where put forward and how will it be tested.How the packets and what all changes happens in the packets at different levels.Was asked to write a/two code(s) in TCL.