The interview was very difficult. The interviewer was not very good because instead of asking CS subjects, he was asking about electrical, which is irrelevant to their job description. Some of them were very nice.
About IPv4 header and OS.
The following metrics were computed from 378 interview experiences for the Cisco Software Engineer role in India.
Cisco's interview process for their Software Engineer roles in India is fairly selective, failing a large portion of engineers who go through it.
Candidates reported having very good feelings for Cisco's Software Engineer interview process in India.