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WS-C4948

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WS-C4948
Manufacturer: Cisco
Product ID: WS-C4948
Product Description: Catalyst 4948, optnl sw, 48-Port 10/100/1000+4 SFP, no p/s
Shipping: Typically ships within 2-3 days
Warranty: Lifetime Warranty
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Pre-owned, used and refurbished Cisco WS-C4948

With 48 ports of wire-speed 10/100/1000BASE-T with four alternative wired ports that can accommodate optional 1000BASE-X Small Form-Factor Pluggable (SFP) optics, the Cisco Catalyst 4948 Switch is a, low-latency, Layer 2 to 4, 1-rack-unit (1RU), fixed-configuration switch for rack-optimized server switching. The WS-C4948 offers exceptional performance and reliability for low-density, multilayer aggregation of high-performance servers and workstations Exceptional reliability and serviceability are delivered with optional internal AC or DC 1+1 hot-swappable power supplies and a hot-swappable fan tray with redundant fans on the WS-C4948. New or refurbished, this module will take your network's functionality to new levels.

MULTI-LINK (MLCP) offers a variety of options other than the Cisco WS-C4948 in our extensive inventory of switch equipment. If you're interested in requesting a quote for a new, refurbished or used WS-C4948, add it to your quote cart. Would you rather talk to us in person? Call a representative directly at 1-800-TO MULTI (866-8584) today!

Because MULTI-LINK maintains a large WS-C4948 inventory, we can often ship same day or within 1-2 days of your order. We know that "diversity" within our stock is the key to customer satisfaction, so we provide an extensive selection of current and previous generation equipment from fixed-configuration and modular switches, to interface cards, as well as other insert components. Whatever your Cisco switch requirement, MULTI-LINK is your one-stop source.

We approach every transaction with a commitment to quality and guarantee all used and refurbished WS-C4948 isn't shipped until it has been tested to factory specifications by our onsite technicians. We back that promise with our standard lifetime warranty.

Time to upgrade? If you have surplus WS-C4948 or other network equipment, visit our Investment recapture page review various buy-back options, list your equipment on our Sell Us Your Surplus form or call us directly for assistance at 1-800-TO MULTI (866-8584).

You might also be interested in PWR-C49-300AC.

General Information
Manufacturer: Cisco
Product ID: WS-C4948
Product Description: Catalyst 4948, optnl sw, 48-Port 10/100/1000+4 SFP, no p/s
Product Type: Layer 3 Switch
Marketing Information

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 medium-sized (SMB) businesses. The Cisco Catalyst 4948 delivers wire-speed throughput with low latency for data-intensive applications using a 96 Gbps switching fabric with a 72 Mpps forwarding rate in hardware for Layer 2-4 traffic.

Interfaces/Ports
Total Number of Network Ports: 48
Number of Network (RJ-45) Ports: 48
Port/Expansion Slot Details: 48 x Gigabit Ethernet Network
  4 x Fast Ethernet Expansion Slot
Media & Performance
Media Type Supported: Twisted Pair
Ethernet Technology: Gigabit Ethernet
Network Technology: 10/100/1000Base-T
I/O Expansions
Number of Total Expansion Slots: 4
Expansion Slot Type: SFP
Shared SFP Slot: Yes
Number of SFP Slots: 4
Network & Communication
Layer Supported: 4
Management & Protocols
Manageable: Yes
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
Memory
Standard Memory: 256 MB
Memory Technology: SDRAM
Flash Memory: 64 MB
Power Description
Input Voltage: 110 V AC
  220 V AC
Power Source: Power Supply
Physical Characteristics
Form Factor: Rack-mountable
Height: 1.7"
Width: 17.3"
Depth: 16.1"
Weight (Approximate): 16.49 lb
Miscellaneous
Package Contents:
  • Catalyst 4948 Layer 3 Switch
  • Rack-Mount Kit Include:
  • 2 L brackets
  • 8 M4 Phillips pan-head screws
  • 4 12-24 x 3/4-inch Phillips binder-head screws
  • 4 10-32 x 3/4-inch Phillips binder-head screws
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

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