Cisco Catalyst WS-C4948E

The Cisco Catalyst® 4948E and 4948E-F Ethernet Switches are the Cisco Catalyst 4900 Series data center switches built from the start to deliver best-in-class, full-featured server-access switching. The switches include identical features except that the Cisco Catalyst 4948E offers front-to-back cooling, and the Cisco Catalyst 4948E-F offers back-to-front cooling. Each switch offers forty-eight 10/100/1000-Gbps RJ45 downlink ports and four 1 and 10 Gigabit Ethernet uplink ports. The switches are designed to simplify data center architecture and operations by offering service provider-grade hardware and software in a one-rack-unit (1RU) form factor optimized for full-featured top-of-rack data center deployments.

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Cisco Catalyst WS-C4948E 

The Cisco Catalyst WS-C4948E, with its advanced multicast suppor and  is optimized for multimedia applications.

-It supports Protocol Independent Multicast, Source-Specific Multicast, and Pragmatic General Multicast. Providing end users with additional scalability to suppor4x10G SFP+ 48x1G multimedia applications.

Enhancing performance and reducing network traffic by allowing a switch. To dynamically add and remove hosts from a multicast group.

-The Cisco Catalyst WS-C4948E 4x10G SFP+ 48x1G (Rj45) offers superior per-port QoS features. In this paragraph to help ensure that network traffic is classified, prioritized, and scheduled optimally. For efficiently manage bandwidth-intensive multimedia and time-sensitive, mission-critical applications.

The can classify, monitor, and mark incoming packets. Allowing the administrator to differentiate traffic flows and enforce policies. Sharing, shaping, and strict-priority configurations determine scheduling of egress traffic.

  • Strict front-to-back cooling with no side or top venting
  • Large shared packet buffers for micro-burst protection
  • Industry leading multicast performance
  • Zero-touch provisioning with Cisco IOS Embedded Event Manager (EEM)
  • Advanced quality of service (QoS)
  • Management through Simple Network Management Protocol (SNMP) and XML interfaces
  • True out-of-band management port



A few of the features specific to smart ToR switches are:

●   Server-rack-optimized switches with the option of front-to-back or back-to-front airflow

●   Nonblocking hardware-based switching and routing

●   Full support for access- and distribution-level Layer 3 routing

●   Advanced QoS including a modular QoS command-line interface (CLI)

●   Advanced security

●   Extended MAC address support for virtual environments

●   Network visibility (future support)

Data centers focused on the following applications should deploy smart ToR switches:

●   High-performance technical computing (grid)

●   Enterprise and service provider cloud

●   Virtual desktop environments

●   Network and server virtualized data centers

●   Web services

●   Enterprise IT

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