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ManufacturerCisco Systems
Part NumberWS-C4948
Product NameCAT4948 48 PT 10/100/1000-4SFP Optional Software No PS
CategorySwitches and Bridges
Availability  Special Order
Price$6978.97  Buy
Provantage CodeCSC909R
External LinksManufacturer's Web Site
 Show All Features     Hide All Features
Abstract Cisco Catalyst 4948 is a wire-speed, low latency, 48-port 10/100/1000 Ethernet, Layer 2-4, 1-rack-unit (RU), fixed-configuration switch for rack-optimized server-switching applications. The Cisco Catalyst 4948 Switch offers exceptional performance and reliability for Layer 2 and Layer 3 server switching deployments for enterprise and small and ...More
Product Series 4900
Product Type Layer 3 Switch
Form Factor Rack-mountable
Number of Ports 48
Expansion Slots (4 Total) SFP Shared
Dimensions 1.71" Height x 17.29" Width x 16.14" Depth
Interfaces/Ports 48 x RJ-45 10/100/1000Base-T LAN

1 x RJ-45 Console Management

1 x RJ-45 10/100Base-TX Management
Input Voltage 110V AC

220V AC
Management
  • CiscoWorks
  • Embedded CiscoView
  • Cisco Network Assistant
  • Cisco SwitchProbe analyzer
  • Remote Monitoring (RMON) software agent
  • SNMPv1, v2, and v3 instrumentation, delivering comprehensive in-band management
  • Command-line interface (CLI)-based management console to provide detailed out-of-band management
  • Support for 2048 active VLANs and 4096 VLAN IDs per switch
  • ACL or quality-of-service (QoS) entries: 32,000
  • VLAN Trunking Protocol (VTP) and VTP domains
  • Community private VLANs (PVLANs)
  • Remote in-band management is available with SNMP, Telnet client, BOOTP, and Trivial File Transfer Protocol (TFTP)

QoS and Traffic Management:

  • Per-port QoS configuration
  • Per-port per VLAN QoS
  • Support for four queues per port in hardware
  • Strict priority queuing
  • IP differentiated services code point (DSCP) and IP Precedence
  • Classification and marking based on IP type of service (ToS) or DSCP
  • Classification and marking based on full Layer 3 and 4 headers (IP only)
  • Input and output policing based on Layer 3 and 4 headers (IP only)
  • 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

MIBs:

  • RIP SNMP MIB
  • RMON-MIB
  • BGP4-MIB
  • BRIDGE-MIB
Layer Support 2

3

4
Connectivity Media Twisted Pair 10/100/1000Base-T
Performance 96Gbps Switching Fabric

72Mpps Forwarding Rate
Processor 1 x 266MHz
Product Line Catalyst
Standard Memory 256MB
Flash Memory 64MB
Memory Technology SDRAM
Power Source Power Supply
Additional Information
  • Unicast and multicast routing entries: 32,000
  • Packet buffering: Dynamic, 16 MB shared memory
  • MAC addresses: 32,768
  • Policers: 512 ingress and 512 egress
  • Hardware-based storm control (formally known as broadcast and multicast suppression)
  • Cisco EtherChannel technology, Cisco Fast EtherChannel technology, and Cisco Gigabit EtherChannel technology support
  • Switch heat dissipation: 1023 BTU/hour
  • Q-in-Q in hardware
  • Layer 2 protocol tunneling
  • Jumbo frames on all ports (up to 9216 bytes)
  • Baby giants (up to 1600 bytes)

Layer 3 Features:

  • Static IP routing
  • IP routing protocols: EIGRP, OSPF, RIP, RIP2
  • Software routing of IPX and AppleTalk
  • IS-IS routing protocol
  • Cisco Group Management Protocol (GMP) server
  • IPv6 software switching support

Advanced Security:

  • TACACS+ and RADIUS
  • 802.1x user authentication
  • 802.1x accounting
  • 802.1x authentication failure
  • 802.1x Private VLAN assignment
  • 802.1x Private Guest VLAN
  • 802.1x Radius-supplied time out
  • Trusted boundary
  • Port security
  • Trunk port security
  • Sticky port security
  • SSHv1 and v2
  • Unicast MAC filtering
  • Unicast port flood blocking
  • Dynamic Address Resolution Protocol (ARP) inspection
  • IP source guard
  • Community PVLAN
Standard Warranty 1 Year

--- Not all attributes may be listed for all products. A missing attribute does not necessarily mean that the product lacks that feature or that it is not supported. Please consult the manufacturer's web site if you need to be sure.

 
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