Cisco WS-C4948 Catalyst 4948 48-Port L3 Gigabit Switch

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.

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

Manufacturer: Cisco Systems, Inc
Manufacturer Part Number: WS-C4948
Brand Name: Cisco
Product Line: Catalyst
Product Series: 4900
Product Model: 4948
Product Name: Catalyst 4948 Layer 3 Switch
Product Type: Layer 3 Switch
Total Number of Network Ports: 48
Number of Network (RJ-45) Ports: 48
Port/Expansion Slot Details: 48 x Gigabit Ethernet Network
Port/Expansion Slot Details: 4 x Fast Ethernet Expansion Slot
Media Type Supported: Twisted Pair
Ethernet Technology: Gigabit Ethernet
Network Technology: 10/100/1000Base-T
Number of Total Expansion Slots: 4
Expansion Slot Type: SFP
Shared SFP Slot: Yes
Number of SFP Slots: 4
Layer Supported: 4
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
Standard Memory: 256 MB
Memory Technology: SDRAM
Flash Memory: 64 MB
Input Voltage: 110 V AC
Input Voltage: 220 V AC
Power Source: Power Supply
Form Factor: Rack-mountable
Height: 1.7"
Width: 17.3"
Depth: 16.1"
Weight (Approximate): 16.49 lb