Initially they short listed for interview through telephone and then they scheduled on a week day. Then the following rounds: 3 rounds of Technical rounds ( took around half day) Then i got a call that , they are OK with my previous rounds and also they scheduled next rounds on another week day. 1 round of Manager round ( around 45 min) 1 round of HR ( around 45 min) Completed all these rounds..

Written (Aptitude + Domain) , 2 levels of Technical rounds, 1 level of HR. Telephonic call regarding the confirmation of date of joining and other formalities and list of documents to be submitted on the date of joining

I was called for a F2F interview. Initially all basic protocol questions and the interviewer is mainly focusing on negative scenarios and what packet / message level details , e.g. clear bgp what message will be invoked and what code in the messages are passed. The interviewer is obsessed with Switching related questions and negative scenarios and some more questions on Automation