Tss applicants have rated the interview process at Cisco with 4 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 68% positive. This is according to Glassdoor user ratings.
Here are the most commonly searched roles for interview reports -
Very smooth process with HR supporting in all steps but very technical - about 4-5 rounds of 1 hour each with different folks (and sometimes a panel interview) - sales, pre sales/technical, leadership, peer interview and manager interview. All very respectful but very strict and will gauge your skills in depth