Cisco C4948E-F

With dual power supply (Redundant)

Scalability and Performance

● Nonblocking server-to-server traffic with 176-Gbps aggregate throughput

● Ease of migration from Gigabit Ethernet to 10 Gigabit Ethernet upstream with support for SFP and SFP+

optics

● Large buffers optimized to handle microbursts with 17.5 MB of centralized buffering, helping ensure that

business-critical packets are not lost due to insufficient buffering

● Active queue management through dynamic buffer limiting for TCP throughput optimizations

● Investment protection through data center design with dual-stack IP Versions 4 and 6 (IPv4 and v6) support

● Advanced quality of service (QoS) with eight configurable queues for each port

● Data center server virtualization support for larger Layer 2 domains with scalable MAC addresses

● Support for a wide variety of optics connecting to the aggregation layer

● Front-to-back and back-to-front airflow options

Enhanced Manageability

● Pay as you grow with software feature packages, from Layer 2 only (LAN Base) to full Layer 3 capability

(Enterprise Services)

● Reduced operating expenses (OpEx) with tools such as AutoInstall and Cisco IOS® Embedded Event

Manager (EEM) that enable immediate availability

● Data center automation with IP service-level agreement (SLA) and Smart Call Home

● Data center optimization with true front-to-back and back-to-front airflow, including power supply cooling

● Enhanced application visibility with smart flow logging

● Enhanced manageability through eight bidirectional Switched Port Analyzer (SPAN) and Remote SPAN

(RSPAN) sessions

● Network visibility through Cisco® NetFlow-Lite (future support)

Resiliency

critical applications

● 1+1 AC or DC power supplies and hot-swappable fan tray with redundant fans for high availability for mission-

● Optimized forwarding across all four uplinks with equal-cost multipath (ECMP) load sharing

● Improved resiliency with protection from attacks with access control lists (ACLs), Control Plane Policing

(CoPP), Address Resolution Protocol (ARP) inspection, and Dynamic Host Configuration Protocol (DHCP)

snooping

● Active queue management using dynamic buffer limiting (DBL) for increased security and network control

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