Cisco WS-C4948-10GE-E Catalyst 4948E 48-Port 10/100/ 1000 2-10GbE Enhanced Switch with P/s Layer 3

The Cisco Catalyst 4948-10GE Switch is a wire-speed, low-latency, Layer 2-4, 1-rack-unit (1-RU), fixed-configuration switch for rack-optimized server switching. Based on the proven Cisco Catalyst 4500 Series hardware and software architecture, the Cisco Catalyst 4948-10GE offers exceptional performance, bandwidth, and reliability for low-density, multilayer aggregation of high-performance servers and workstations.

Power-Supply Redundancy for Nonstop Operation, Robust Network Security, Switch heat dissipation: 1023 BTU/hour, Switched Virtual Interfaces (SVIs): 2k, Storm control, Hardware-based IP Cisco Express Forwarding routing at 102 mpps, Policy-based routing (PBR), Bandwidth aggregation up to 40 Gbps using Cisco Gigabit Ethernet EtherChannel technology, Support for 55,000 unicast and 16000 multicast MAC addresses. Security Features: Hardware-based ACLs, router ACLs (RACLs), VLAN ACLs, TACACS+ and RADIUS, 802.1x accounting, 802.1x authentication failure, 802.1x Private VLAN assignment Port security, Sticky port security, SSHv1 and SSHv2, VLAN Management Policy Server (VMPS) client, Unicast MAC filtering, Unicast port flood blocking, Dynamic Address Resolution Protocol (ARP) inspection, IP source guard, Community Private VLANs, Trunk Port Security

Product Name: Catalyst 4948E 48 Port 10/100/ 1000 2-10GBE Enhanced Switch with P/s
Product Type: Layer 3 Switch
Manageable: Yes
Ethernet Technology: Gigabit Ethernet
Number of Total Expansion Slots: 2
Number of Network (RJ-45) Ports: 48
Media Type Supported: Twisted Pair
Total Number of Network Ports: 48
Height: 1.8"
Width: 17.5"
Depth: 16.0"
Expansion Slot Type: X2
Product Series: 4900
Form Factor: Rack-mountable
Product Model: 4948
Network Technology: 10/100/1000Base-T
Product Line: Catalyst
Layer Supported: 4
Standard Memory: 256 MB
Memory Technology: SDRAM
Management: Cisco Network Assistant, CiscoWorks, Cisco SmartPort macros, CiscoView, SNMPv1, v2, and v3 instrumentation, delivering comprehensive in-band management, CLI-based management console to provide detailed out-of-band management, Remote Monitoring (RMON) software agent, Per VLAN Spanning Tree (PVST) and VLAN IDs: 4096. QoS and Traffic Management: Per-port QoS configuration, Support for four queues per port, Strict priority queuing, IP differentiated services code point (DSCP), Classification and marking based on IP type of service (ToS) or DSCP, Classification and marking based on full Layer 3 and Layer 4 headers, Input and output policing based on Layer 3 and Layer 4 headers, Support for 512 policers on ingress and 512 policers on egress, Shaping and sharing output queue management, DBL-congestion- avoidance feature, No performance penalty for granular QoS functions, Per-port, per-vlan QoS
Flash Memory: 64 MB
Product Family: Catalyst 4900