Cisco Systems 4948 Series manual Predictable Performance, ∙ Https

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∙Support for 512 policers on ingress and 512 policers on egress configured as aggregate or individual

∙Shaping and sharing output queue management

∙Dynamic Buffer Limiting (DBL): Advanced congestion avoidance

∙No performance penalty for granular QoS functions

Predictable Performance

∙96 Gbps switching fabric

∙Layer 2 hardware forwarding at 72 Mpps

∙Layer 3 hardware-based IP Cisco Express Forwarding routing at 72 Mpps

∙Layer 4 TCP or User Datagram Protocol (UDP) hardware-based filtering at 72 Mpps

∙No performance penalty with advanced Layer 3 and 4 services enabled

∙Software-based learning at a sustained rate of 500 hosts per second

∙Support for 32,768 MAC addresses

∙Support for 32,000 entries in routing table (shared between unicast and multicast)

∙Support for 512 ingress policers and 512 egress policers

∙Support for 32,000 ACL and QoS entries

∙Scalability to 2048 virtual ports (VLAN port instances)

∙Scalability to 8000 IGMP snooping entries

∙Scalability to 1500 STP instances

∙Bandwidth aggregation up to 16 Gbps through Cisco Gigabit EtherChannel technology

∙Hardware-based wire-speed multicast management

∙Hardware-based wire-speed ACLs

Comprehensive Management

∙Manageable through CiscoWorks Windows network-management software on a per-port and per-switch basis, providing a common management interface for Cisco routers, switches, and hubs

∙Manageable through Cisco Network Assistant

∙SNMPv1, v2, and v3 instrumentation, delivering comprehensive in-band management

∙Command-line interface (CLI)-based management console to provide detailed out-of-band management

∙Remote Monitoring (RMON) software agent to support four RMON groups (history, statistics, alarms, and events) for enhanced traffic management, monitoring, and analysis

∙Support for all nine RMON groups through the use of a Cisco SwitchProbe® analyzer (Switched Port Analyzer [SPAN]) port, which permits traffic monitoring of a single port, a group of ports, or the entire switch from a single network analyzer or RMON probe

∙Analysis support, including ingress port, egress port, and VLAN SPAN

∙Layer 2 traceroute

∙Remote SPAN (RSPAN)

∙Smartports macros

∙SPAN ACL filtering

∙Dynamic Host Configuration Protocol (DHCP) client autoconfiguration

∙IfIndex persistence

∙HTTPS

∙Time Domain Reflectometry (TDR)

∙MAC Address Notification

© 2006 Cisco Systems, Inc. All rights reserved.

Important notices, privacy statements, and trademarks of Cisco Systems, Inc. can be found on cisco.com.

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Contents KEY Features and Benefits High-Performance, Rack-Optimized Server SwitchingWire-Speed Performance for 10/1 00/1 000 Connectivity Data SheetSoftware Configuration Options Power Supply Redundancy for Nonstop OperationRobust Security Comprehensive ManagementPerformance and Switching Specifications Technical Specifications∙ ACL or quality-of-service QoS entries 32,000 Layer 2 FeaturesSophisticated QoS and Traffic Management Layer 3 Features∙ Https Predictable PerformanceAdvanced Security Switch Architecture SpecificationsTraffic and Congestion Management ∙ Type of buffers DynamicManagement Industry Standards Power Supply Specifications Indicator and Port Specifications∙ SFP ports Link Supported SFPsSoftware Requirements Switch DimensionsEnvironmental Conditions Regulatory Standards ComplianceNetwork Equipment Building Standards Nebs EMCOrdering Information for Cisco Catalyst Power Cable OptionsProduct Number Description SFP OptionsService Feature Overview Benefit or Advantage WarrantyTechnical Support Services-Components Feature Benefit or Advantage Technical Support Services-Competitive DifferentiatorsFor More Information ∙ United States and Canada 800 553-NETSUSA
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