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.
|Frequency Band||Power-Supply Redundancy for Nonstop OperationRobust Network SecuritySwitch heat dissipation: 1023 BTU/hourSwitched Virtual Interfaces (SVIs): 2kStorm controlHardware-based IP Cisco Express Forwarding routing at 102 mppsPolicy-based routing (PBR)Bandwidth aggregation up to 40 Gbps using Cisco Gigabit Ethernet EtherChannel technologySupport for 55,000 unicast and 16000 multicast MAC addressesSecurity Features:Hardware-based ACLs, router ACLs (RACLs), VLAN ACLsTACACS+ and RADIUS802.1x accounting802.1x authentication failure802.1x Private VLAN assignment Port securitySticky port securitySSHv1 and SSHv2VLAN Management Policy Server (VMPS) clientUnicast MAC filteringUnicast port flood blockingDynamic Address Resolution Protocol (ARP) inspectionIP source guardCommunity Private VLANsTrunk Port Security|
|Port/Expansion Slot Details||48 x Gigabit Ethernet Network|
|Management||Cisco Network AssistantCiscoWorksCisco SmartPort macrosCiscoViewSNMPv1, v2, and v3 instrumentation, delivering comprehensive in-band managementCLI-based management console to provide detailed out-of-band managementRemote Monitoring (RMON) software agentPer VLAN Spanning Tree (PVST) and VLAN IDs: 4096QoS and Traffic Management:Per-port QoS configurationSupport for four queues per portStrict priority queuingIP differentiated services code point (DSCP)Classification and marking based on IP type of service (ToS) or DSCPClassification and marking based on full Layer 3 and Layer 4 headersInput and output policing based on Layer 3 and Layer 4 headersSupport for 512 policers on ingress and 512 policers on egressShaping and sharing output queue managementDBL-congestion-avoidance featureNo performance penalty for granular QoS functionsPer-port, per-vlan QoS|
|Connectivity Media||Twisted Pair 10/100/1000Base-T|
|Number of Total Expansion Slots||2|
|Total Number of Network Ports||48|
|Performance||102Mpps Switching Performance|
|Media Type Supported||Twisted Pair|
|Number of Network (RJ-45) Ports||48|
|Type of Switch||Layer 3 Switch|
|Dimensions||1.75" Height x 17.50" Width x 16" Depth|
|Interfaces||48 x RJ-45 10/100/1000Base-T LAN|1 x RJ-45 Console Management|1 x RJ-45 10/100Base-TX Management|
|Number of Network Ports||48|
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