Cisco WS-C3550-12G Switch Guide - Page 164
Fixed Switches: Cisco Nexus 3000 Series
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Fixed Switches: Cisco Nexus 3000 Series Software Features (continued) Description Specification Nexus 3048 Switch Layer 2 • Layer 2 switch ports and VLAN trunks • IEEE 802.1Q VLAN encapsulation • Support for up to 4096 VLANs • Rapid per-VLAN Spanning Tree Plus (PVRST+) (IEEE 802.1w compatible) • MSTP (IEEE 802.1s): 64 instances • Spanning Tree PortFast • Spanning Tree Root Guard • Spanning Tree Bridge Assurance • vPC • Cisco EtherChannel technology (up to 16 ports per EtherChannel) • LACP: IEEE 802.3ad • Advanced PortChannel hashing based on Layer 2, 3, and 4 information • Virtual Port Chanel (vPC) • Jumbo frames on all ports (up to 9216 bytes) • Storm control (unicast, multicast, and broadcast) • PVLANs Layer 3 • Layer 3 interfaces: Routed ports on interfaces, switch virtual interfaces (SVIs), PortChannels, and subinterfaces (total = 1024) • 32-way ECMP • 2000 ingress and 1000 egress ACL entries • Routing protocols: Static, RIP v2, EIGRP, OSPFv2, and BGP • Bi-directional Flow Detection (BFD) for BGP • HSRP and VRRP • ACL: Routed ACL with Layer 3 and 4 options to match ingress and egress ACLs • VRF: VRF-lite (IP VPN), VRF-aware unicast (BGP, OSPF, and RIP), and VRF-aware multicast • uRPF with ACL; strict and loose modes • Jumbo frame support (up to 9216 bytes) Multicast • Multicast: PIM-SM Version 2 and SSM • Bootstrap router (BSR), Automatic Rendezvous Point (Auto-RP), and Static RP • MSDP and Anycast-RP • Internet Group Management Protocol (IGMP) Versions 2, and 3 162