OS - 7210 SAS-T Release 7.x (or upgrade to rel 7.x) This is a per chassis license. It provides the base OS and includes support for native and MPLS-based Ethernet services (e.g. VPLS and Epipe services). It excludes the use of MPLS-TP and IP services (e.g. VPRNs and IES services). One (1) Operating Software License is required for each 7750 SAS-T in the network. Includes one (1) programmed 2GB Compact Flash cards with the Operating Software.