Bruce Sterling Woodcock wrote:
Livingston^H^H^H^H^H^H^H^H^Hucent Portmasters (2e) also work well and might be a little cheaper than an Annex.
Our current favourites are cisco 2621s with NM32-AS. 32 ports and 2 fast ethernets in 1U of space. They're a little fiddly to get set up right and they're not as cheap as some alternatives but for sheer flexibility to reuse them for all sorts of things they have my vote.