Been with Cisco 10 Years, Talked with my Sr. Dir last week. Overall guidance was 8-16% Opex Reduction across the company with a few select teams that will not be touched so some will be closer to 20%+.
I believe a 10% cut across the company is highly realistic so in the 7500 person range.
Last I heard is Americas notifications will happen either on August 9/10 or the morning of the announcement so Aug 17th.