Cisco WS-C4900M Manual page 160

Fixed Switches: Cisco Nexus 3000 Series
Software Features (continued)
Description
Nexus 3064 Switch
Quality of Service
(QoS)
Security
160
Specification
• Layer 2 IEEE 802. 1 p (class of service [CoS])
• 8 hardware queues per port
• Per-port 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)
• Ingress ACLs (standard and extended) on Ethernet
• Standard and extended Layer 3 to 4 ACLs include IPv4, Internet Control Message
Protocol (ICMP), TCP, and User Datagram Protocol (UDP)
• VLAN-based ACLs (VACLs)
• Port-based ACLs (PACLs)
• Named ACLs
• ACL logging and statistics
• ACLs on virtual terminals (VTYs)
• Dynamic Host Configuration Protocol (DHCP) snooping with Option 82
• DHCP relay
• Dynamic Address Resolution Protocol (ARP) inspection
• Configurable Control Plane Policing (CoPP)