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Cisco WS-C4900M Manual Page 165

Scalable, intelligent lan switching for campus, branch, and data center networks of all sizes.
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Table of Contents
Description
Nexus 3016 Switch
Layer 2
Layer 3
Multicast
Quality of service (QoS)
Specification
• Layer 2 switch ports and VLAN trunks
• IEEE 802. 1 Q VLAN encapsulation
• Support for up to 4096 VLANs
• Rapid Per-VLAN Spanning Tree Plus (PVRST+) (IEEE 802. 1 w compatible)
• MSTP (IEEE 802. 1 s): 64 instances
• Spanning Tree PortFast
• Spanning Tree Root Guard
• Spanning Tree Bridge Assurance
• Cisco EtherChannel technology (up to 16 ports per EtherChannel)
• LACP: IEEE 802.3ad
• vPC
• Advanced PortChannel hashing based on Layer 2, 3, and 4 information
• Jumbo frames on all ports (up to 9216 bytes)
• Storm control (unicast, multicast, and broadcast)
• Private VLANs
• Layer 3 interfaces: Routed ports on interfaces, switch virtual interfaces (SVIs),
PortChannels, and subinterfaces (total: 1024)
• 64-way Equal-Cost Multipath (ECMP)
• 2000 ingress and 1000 egress ACL entries
• Routing protocols: Static, RIPv2, 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: PIM Version 2 Sparse Mode (PIM-SM) and SSM
• Bootstrap router (BSR), Automatic Rendezvous Point (Auto-RP) and Static RP
• Multicast Source Discovery Protocol (MSDP) and Anycast RP
• Internet Group Management Protocol (IGMP) Versions 2, and 3
• Layer 2 IEEE 802. 1 p (class of service [CoS])
• 8 unicast and 4 multicast hardware queues per port
• Per-port quality-of-service (QoS) configuration
• CoS trust
• Port-based CoS assignment
• Modular QoS CLI (MQC) compliance
• ACL-based QoS classification (Layers 2, 3, and 4)
• MQC CoS marking
• Differentiated services code point (DSCP) marking
• Weighted Random Early Detection (WRED)
• CoS-based egress queuing
• Egress strict-priority queuing
• Egress port-based scheduling: Weighted Round-Robin (WRR)
• Explicit Congestion Notification (ECN)
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