Cisco 4948 Series Ficha de dados - Página 6

Procurar online ou descarregar pdf Ficha de dados para Interruptor Cisco 4948 Series. Cisco 4948 Series 18 páginas. 10 gigabit ethernet switch
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Cisco 4948 Series Ficha de dados
NSF (Non-Stop Forwarding) Awareness
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WCCPv2 (Web Cache Communications Protocol)
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Gateway Load Balancing Protocol (GLBP)
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High-Availability Features
1+1 hot swappable AC or DC power supplies
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Hot-swappable field-replaceable fan tray with redundant fans
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HSRP v1 and v2
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VRRP
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Cisco IOS Embedded Event Manager (EEM)
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Cisco Generic Online Diagnostics (GOLD)
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Smart Call Home
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Sophisticated QoS and Traffic Management
Per-port QoS configuration
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Support for four queues per port
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Strict priority queuing
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IP differentiated services code point (DSCP)
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Classification and marking based on IP type of service (ToS) or DSCP
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Classification and marking based on full Layer 3 and 4 headers
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Input and output policing based on Layer 3 and 4 headers
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Support for 512 policers on ingress and 512 policers on egress
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Shaping and sharing output queue management
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DBL congestion-avoidance feature
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No performance penalty for granular QoS functions
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Per-port, per-VLAN QoS
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Match class of service (CoS) for non-IPv4 traffic
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Predictable Performance
136-Gbps switching fabric
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Layer 2 hardware forwarding at 102 mpps
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Layer 3 hardware-based IP Cisco Express Forwarding routing at 102 mpps
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Layer 4 TCP and User Datagram Protocol (UDP) hardware-based filtering at 102 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 3000 hosts per second
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Support for 55,000 unicast and 16000 multicast MAC addresses
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Support for 32,000 entries in routing table (shared between unicast and multicast)
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Scalability to 2000 virtual ports (VLAN port instances)
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Bandwidth aggregation up to 40 Gbps using Cisco Gigabit Ethernet EtherChannel technology
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© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
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