> [...] but one question I have is whether, from an IOS > standpoint, a 2960 can be kept as a cold spare for a 2950 > during the transition; i.e. will I be able to take a backup > configuration file from a 2950 and load it onto a 2960? It depends on what you have configured on the 2950. Some parts (like QoS, for example) are quite a bit different. -A