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Cisco Catalyst 4948E - Kytkin - L3 - Hallinnoitu - 48 x 10/100/1000 + 4 x SFP+ - räkkiin asennettava

Manufacturer: CISCO
ID: WS-C4948E-E
3249490€ Show VAT 0% Show VAT 24%
Estimated delivery: 13.04 - 18.04
On order with ETA after 11.04.2024
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On order with ETA after 11.04.2024 Open today: Closed (Good Friday) About this store
On order with ETA after 11.04.2024 Open today: Closed (Good Friday) About this store
On order with ETA after 11.04.2024 Open today: Closed About this store
On order with ETA after 11.04.2024 Open today: Closed (Good Friday) About this store
On order with ETA after 11.04.2024 Open today: Closed (Good Friday) About this store
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Specifications
Description
Store availability
Delivery
Price development
Ports & interfaces
Basic switching RJ-45 Ethernet ports typeGigabit Ethernet (10/100/1000)
Basic switching RJ-45 Ethernet ports quantity48
SFP+ module slots quantity4
Weight & dimensions
Weight8.62 kg
Height44 mm
Width444 mm
Depth493 mm
Energy management
Power consumption (typical)230 W
AC input frequency50 - 60 Hz
AC input voltage90 - 264 V
Power consumption (max)275 W
Power supply includedcheckmark
Operational conditions
Operating altitude-60 - 2000 m
Operating relative humidity (H-H)10 - 90%
Storage temperature (T-T)-40 - 75 °C
Operating temperature (T-T)0 - 40 °C
Heat dissipation1173 BTU/h
Networking
Networking standardsIEEE 802.1D, IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3, IEEE 802.3ab, IEEE 802.3u, IEEE 802.3z
Number of VLANs4096
Spanning tree protocolcheckmark
VLAN supportcheckmark
10G supportcheckmark
Copper ethernet cabling technology1000BASE-T, 100BASE-TX, 10BASE-T
Data transmission
MAC address table55000 entries
Switching capacity176 Gbit/s
Number of queues8
Packet buffer memory17.5 MB
Security
MAC address filteringcheckmark
Access Control List (ACL)checkmark
IGMP snoopingcheckmark
Management features
Switch layerL2/L3
Quality of Service (QoS) supportcheckmark
Web-based managementcheckmark
Switch typeManaged
Traffic shapingcheckmark
ARP inspectioncheckmark
Design
Rack mountingcheckmark
SafetyUL 60950-1, CAN/CSA-C22.2 No. 60950-1, EN 60950-1, IEC 60950-1, AS/NZS 60950, IEC 60825-1, IEC 60825-2, EN 60825-1, EN 60825-2, 21 CFR 1040
Electromagnetic compatibilityFCC, ICES-003, EN55022, CISPR22, AS/NZS 3548, VCCI, EN55024, ETS300 386, EN50082-1, EN61000-3-2, EN61000-3-3
Form factor1U
Product colourGrey
Performance
Processor frequency1000 MHz
Internal memory1024 MB
Mean time between failures (MTBF)145422 h
Built-in processorcheckmark
Multicast features
Multicast supportcheckmark
EAN5712505902271
Warranty3 months
Source: Icecat.biz

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 (ToR) data center deployments.

The Cisco Catalyst 4948E and 4948E-F build on the advanced technology of the Cisco Catalyst 4948 Switches, the most widely deployed ToR switch in the industry, with more than 10 million ports deployed worldwide. The Cisco Catalyst 4948E and 4948E-F double the uplink bandwidth and offer true front-to-back and back-to-front airflow with no side or top venting. The airflow direction is controlled by the changing of fans. Optional front-to-back and back-to-front airflow management reduces data center operating costs by providing strict hot-aisle and cold-aisle isolation.

Hot-aisle and cold-aisle deployment remains the widely adopted best practice for data center cabinet layouts today. Networking switches and computing servers mounted in a single cabinet need to maintain the separation of the inlet cold air and the exhaust hot air for efficient use of cooling resources. The Cisco Catalyst 4948E and 4948E-F switches provide the option of front-to-back airflow (Cisco Catalyst 4948E) and back-to-front airflow (Cisco Catalyst 4948E-F) for ToR switch deployments.

Exceptional reliability and serviceability are delivered with optional internal AC and DC 1+1 hot-swappable power supplies and a hot-swappable fan tray with redundant fans

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 suply 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

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

Cisco IOS Software

Cisco IOS Software is a proven network OS that offers best-in-class availability, manageability, and scalability.

The Cisco Catalyst 4948E and 4948E-F support three levels of Cisco IOS Software. The basic level is LAN Base, developed for deployments that require data center-class hardware along with Layer 2 switching but not advanced features such as routing and Cisco IOS EEM. The next level of software is IP Base; this level supports static routes, Routing Information Protocol (RIP) Versions and 2, and Enhanced Interior Gateway Routing Protocol Stub (EIGRP-Stub) for limited routing. The top level of software is Enterprise Services; this level adds support for advanced routing protocols such as Border Gateway Protocol (BGP), Open Shortest Path First (OSPF), Intermediate System-to-Intermediate System (IS-IS) Protocol, and EIGRP.

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