I am having trouble trying to change my Linksys SRW from a Layer2 to a Layer3 Managed switch. It is in default configuration right no. Hey, I am urgently after a Linksys SRW, its a 16port gigabit switch, all the suppliers that I could find are out of them. So if you have one. Growing businesses require cost-effective networking solutions that can scale to meet ever-changing business needs. The Cisco SRW Port Gigabit.