Cisco WS-C3550-12G Manual page 165

Description
Nexus 3048 Switch
Quality of service (QoS)
Security
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: IPv4, Internet Control Message Protocol
(ICMP), TCP, User Datagram Protocol (UDP), etc.
• VLAN-based ACLs (VACLs)
• Port-based ACLs (PACLs)
• Named ACLs
• ACL logging and statistics
• ACLs on vtys
• DHCP snooping with Option 82
• DHCP relay
• Dynamic Address Resolution Protocol (ARP) inspection
• Control Plane Policing (CoPP)
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