To support the WAN upgrade, The 10, 20 and 50 Mbps locations would require a router or layer 3 device with 10/100 Fast Ethernet electrical port for the WAN. The 100 Mbps location would require a router or layer 3 device with Gigbit Milt-Mode port for the WAN connection.
We have routers at all locations, that covers the layer 3 part. The only location we have 100 mbps is HQ. We have a core stack made up of Cisco Catalyst 3750's, it goes through our firewall first, Cisco 5510. As for rhe other locations, we have either a Cisco 3725 or a Cisco 1841-T1.
Are we ready for this upgrade?