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Cisco Systems Intelligent Gigabit Ethernet Switch Modules for the IBM BladeCenter, Software Configuration Guide
24R9746
Chapter 1 Overview
Features
Quality of Service and Class of Service
• Automatic quality of service (auto-QoS) to simplify the deployment of existing QoS features by
classifying traffic and configuring egress queues
• IEEE 802.1p class of service (CoS) with eight priority queues on the Gigabit ports for prioritizing
mission-critical and time-sensitive traffic from data, voice, and telephony applications
–
IP Differentiated Services Code Point (IP DSCP) and CoS marking priorities on a per-port basis
for protecting the performance of mission-critical applications
–
Flow-based packet classification (classification based on information in the MAC, IP, and
TCP/UDP headers) for high-performance quality of service at the network edge, allowing for
differentiated service levels for different types of network traffic and for prioritizing
mission-critical traffic in the network
–
Support for IEEE 802.1p CoS scheduling for classification and preferential treatment of
high-priority voice traffic
–
Trusted boundary (detect the presence of a Cisco IP Phone, trust the CoS value received, and
ensure port security. If the IP phone is not detected, disable the trusted setting on the port and
prevent misuse of a high-priority queue.)
• Policing
–
Traffic-policing policies on the switch port for allocating the amount of the port bandwidth to
a specific traffic flow
–
Policing traffic flows to restrict specific applications or traffic flows to metered, predefined
rates
–
Up to 60 policers on ingress Gigabit-capable Ethernet ports
Granularity of 8 Mbps on 10/100/1000 ports
–
Out-of-profile markdown for packets that exceed bandwidth utilization limits
• Egress Policing and Scheduling of Egress Queues—Four egress queues on all switch ports. Support
for strict priority and weighted round-robin (WRR) CoS policies
• Source IP/Destination IP (SIP/DIP) address routing
Monitoring
• Switch LEDs that show port and switch status
• Switched Port Analyzer (SPAN) and Remote SPAN (RSPAN) for traffic monitoring on any port or
VLAN
• SPAN support of Intrusion Detection Systems (IDSs) to monitor, repel, and report network security
violations
• Four groups (history, statistics, alarms, and events) of embedded remote monitoring (RMON) agents
for network monitoring and traffic analysis
• MAC address notification for tracking the MAC addresses that the switch has learned or removed