Cisco 4948 Series - Manual (Page 5)

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Support for 512 policers on ingress and 512 policers on egress configured as aggregate or individual
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Shaping and sharing output queue management
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Dynamic Buffer Limiting (DBL): Advanced congestion avoidance
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No performance penalty for granular QoS functions
Predictable Performance
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96 Gbps switching fabric
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Layer 2 hardware forwarding at 72 Mpps
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Layer 3 hardware-based IP Cisco Express Forwarding routing at 72 Mpps
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Layer 4 TCP or User Datagram Protocol (UDP) hardware-based filtering at 72 Mpps
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No performance penalty with advanced Layer 3 and 4 services enabled
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Software-based learning at a sustained rate of 500 hosts per second
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Support for 32,768 MAC addresses
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Support for 32,000 entries in routing table (shared between unicast and multicast)
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Support for 512 ingress policers and 512 egress policers
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Support for 32,000 ACL and QoS entries
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Scalability to 2048 virtual ports (VLAN port instances)
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Scalability to 8000 IGMP snooping entries
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Scalability to 1500 STP instances
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Bandwidth aggregation up to 16 Gbps through Cisco Gigabit EtherChannel technology
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Hardware-based wire-speed multicast management
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Hardware-based wire-speed ACLs
Comprehensive Management
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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
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Manageable through Cisco Network Assistant
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SNMPv1, v2, and v3 instrumentation, delivering comprehensive in-band management
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Command-line interface (CLI)-based management console to provide detailed out-of-band management
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Remote Monitoring (RMON) software agent to support four RMON groups (history, statistics, alarms, and events) for enhanced traffic
management, monitoring, and analysis
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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
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Analysis support, including ingress port, egress port, and VLAN SPAN
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Layer 2 traceroute
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Remote SPAN (RSPAN)
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Smartports macros
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SPAN ACL filtering
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Dynamic Host Configuration Protocol (DHCP) client autoconfiguration
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IfIndex persistence
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HTTPS
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Time Domain Reflectometry (TDR)
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MAC Address Notification