Despite the lower value ratings Cisco received in our survey this year, the truth is that organizations are reluctant to change vendors, and if they do, there has to be a very compelling case for doing so, ... Unlike in the router market, there doesn't appear to be a shake-up going on in the switch market. Vendors that make an organization's short list are likely already installed in that network.  -   Matthias Machowinski     Quotes
Despite the lower value ratings Cisco received in our survey this year, the truth is that organizations are reluctant to change vendors, and if they do, there has to be a very compelling case for doing so, ... Unlike in the router market, there doesn't appear to be a shake-up going on in the switch market. Vendors that make an organization's short list are likely already installed in that network. Matthias Machowinski