Cisco can be a machine. There isn't an overt demand for all of your time (even the time outside of work) but more of a subtle, slight encouragement to always be on. If you are not careful, you will live, sleep and eat Cisco 24x7. Don't get me wrong, this is 100% a choice and if you are aware of this subtlety in the culture it is very easy to set appropriate boundaries that will be respected by the company and leadership team.
If you don't like where you are in Cisco or what you are working on, give it 6 months because you will be reorg'd. While it is sometimes necessary to realign the company to meet competitive threats or market demands, reorganizing the company once a year is excessive and tends to create a distrusting environment for the rank and file which makes being a leader in the organize challenging. There is a loss of momentum and motivation that occurs a few months before and a few months after reorgs so this leaves the company being effective at delivery and execution only about 70% of the time.
While Cisco attracts some bright, motivated people the truth of the matter is you are either cut out for the company and its culture or you're not. If you aren't it will be painfully obvious to you and those around you. Sadly as a leader it is hard to cut dead weight from the team and the only really accepted way is via layoffs, which is why the company reorgs once a year despite the company line about the reorgs.