WS-C3560X-48P-E is designed for enterprise distribution layer switching in full layer 3 capability includes BGP, EIGRP, OSFP, IPv4/v6, multicast routing, IPSLA, Netflow, advanced Qos, VRF-lite. WS-C3560X-48P-E switch comes with one default power supply module, customers can purchase additional power supply module insert into power supply bay 2 in order to power redundancy.