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Cisco Catalyst WS-C3850-48P-S 48-Port Managed PoE Switch

WS-C3850-48P-S

 WS-C3850-48P-S, Cisco Catalyst WS-C3850-48P-S 48-Port Managed PoE Switch

Key Features

  • 48x 10/100/1000 (PoE+) ports
  • 435W PoE power budget
  • StackWise-480 technology and StackPower
  • WS-C3850-48P-S

Part No: WS-C3850-48P-S

Stock Code: 2292546

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PRODUCT OVERVIEW

FROM THE MANUFACTURER

SPECIFICATION

CUSTOMER REVIEWS

PRODUCT OVERVIEW -

Overview

Cisco Catalyst WS-C3850-48P-S 48-Port Managed PoE Switch

WS-C3850-48P-S
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The Cisco Catalyst 3850 Series provides capabilities that ideally suited to support the convergence of wired and wireless access. The new Cisco Unified Access Data™ Plane (UADP) Application-Specific Integrated Circuit (ASIC) powers the switch and enables uniform wired-wireless policy enforcement, application visibility, flexibility, and application optimization. This convergence is built on the resilience of the new and improved Cisco StackWise®-480 technology.

The Cisco Catalyst 3850 Series Switches support full IEEE 802.3at Power over Ethernet Plus (PoE+), Cisco Universal Power Over Ethernet (Cisco UPOE®), modular and field-replaceable network modules, RJ-45 and fiber-based downlink interfaces, and redundant fans and power supplies.

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Converged wired plus wireless access

The Cisco Catalyst 3850 is the first stackable access switching platform that enables wired plus wireless services on a single Cisco IOS XE Software-based platform. With this, Cisco has pioneered a host of rich capabilities such as high availability based on Stateful Switchover (SSO) on stacking, granular QoS, security, and Flexible NetFlow (FNF) across wired and wireless in a seamless fashion. Also, the wired plus wireless features are bundled into a single Cisco IOS Software image, which reduces the number of software images that users have to qualify/certify before enabling them in their network. The single console port for Command-Line Interface (CLI) management reduces the number of touch points to manage for wired plus wireless services, thereby reducing network complexity, simplifying network operations, and lowering the TCO to manage the infrastructure.

Converged wired plus wireless not only improves wireless bandwidth across the network but also the scale of wireless deployment. Each 48-port Cisco Catalyst 3850 provides 40 Gbps of wireless throughput. This wireless capacity increases with the number of members in the stack. This makes sure that the network can scale with current wireless bandwidth requirements, as dictated by IEEE 802.11n-based access points and with future wireless standards such as IEEE 802.11ac. Additionally, the Cisco Catalyst 3850 distributes the wireless controller functions to achieve better scalability.

Flexible NetFlow (FNF)

Full visibility into the wired plus wireless traffic is achieved because of the access point Control and Provisioning of Wireless Access Points (CAPWAP) tunnel termination on the switch. This helps identify users and user traffic flows in order to identify potential attackers and take corrective action at the access layer before the attack penetrates further into the network. This is achieved using FNF, which monitors every single flow entering and exiting the switch stack for wired and wireless users. It also helps identify the top wired/wireless talkers and enforce appropriate bandwidth provisioning policies.

QoS

The Cisco Catalyst 3850 uses the Cisco modular QoS command line interface (MQC). The switch manages wireless bandwidth using unprecedented hierarchical bandwidth management starting at the per-access-point level and drilling further down to per-radio, per-service set identification (SSID), and per-user levels. This helps manage and prioritize available bandwidth between various radios and various SSIDs (enterprise, guest, and so on) within each radio on a percentage basis. The switch is also capable of automatically allocating equal bandwidth among the connected users within a given SSID. This makes sure that all users within a given SSID get a fair share of the available bandwidth while being connected to the network. The UADP ASIC enables the hierarchical bandwidth management and fair sharing of bandwidth, thereby providing hardware-based QoS for optimized performance at line-rate traffic.

Security

The Cisco Catalyst 3850 provides a rich set of security features for wired plus wireless users. Features such as IEEE 802.1x, port security, Dynamic Host Configuration Protocol (DHCP) Snooping and Guard, Dynamic ARP Inspection, RA Guard, IP Source Guard, Control Plane Protection (CoPP), Wireless Intrusion Prevention Systems (WIPSs), and so on enable protection against unauthorized users and attackers. With a variety of wired plus wireless users connecting to the network, the switch supports session-aware networking, in which each device connected to the network is identified as one session, and unique Access Control Lists (ACLs) and/or QoS policies can be defined and applied using the ISE for each of these sessions, providing better control on the devices connecting to the network.

Cisco StackWise-480 technology

StackWise-480 has a stack bandwidth of 480 Gbps. StackWise - 480 uses Cisco IOS Software SSO for providing resiliency within the stack. The stack behaves as a single switching unit that is managed by an “active” switch elected by the member switches.

The active switch automatically elects a standby switch within the stack. The active switch creates and updates all the switching/routing/wireless information and constantly synchronizes that information with the standby switch. If the active switch fails, the standby switch assumes the role of the active switch and continues to the keep the stack operational. Access points continue to remain connected during an active-to-standby switchover.

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Cisco StackPower technology

StackPower is an innovative power interconnect system that allows the power supplies in a stack to be shared as a common resource among all the switches. Cisco StackPower unifies the individual power supplies installed in the switches and creates a pool of power, directing that power where it is needed. Up to four switches[9]can be configured in a StackPower stack with the special connector at the back of the switch using the StackPower cable, which is different than the StackWise-480 cables.

StackPower allows customers to simply add one extra power supply in any switch of the stack and either provide power redundancy for any of the stack members or simply add more power to the shared pool. StackPower eliminates the need for an external redundant power system or installation of dual power supplies in all the stack members.

Cisco Catalyst SmartOperations

Cisco Catalyst SmartOperations is a comprehensive set of capabilities that simplify LAN deployment, configuration, and troubleshooting. In addition to adaptive, always-on technologies such as StackWise-480 and StackPower, Cisco Catalyst SmartOperations enable zero-touch installation and replacement of switches, fast upgrade, and ease of troubleshooting with reduced operational cost. Features includes Smart Install, Auto Smartports, Smart Configuration, and Smart Troubleshooting to enhance operational excellence.

Easy-to-use deployment and control features

User experience

  • IP Service-Level Agreements (SLAs) enable customers to assure new business-critical IP applications, as well as IP services that utilise data, voice, and video, in an IP network.
  • DHCP autoconfiguration of multiple switches through a boot server eases switch deployment
  • Automatic Qos (AutoQoS) simplifies QoS configuration in Voice over IP (VoIP) networks by issuing interface and global switch commands to detect Cisco IP phones, classify traffic, and help enable egress queue configuration
  • Autonegotiation on all ports automatically selects half- or full-duplex tramission mode to optimise bandwidth
  • Automatic media-dependent interface crossover (MDIX) automatically adjusts transmit and receive pairs if an incorrect cable type is installed
  • AV Bridging provides reliable time synchronised transmission with no pops or clicks or video dropouts

Simplified configuration and connectivity

  • Dynamic Trunking Protocol (DTP) facilitates dynamic trunk configuration across all switch ports
  • Port Aggregation Protocol (PAgP) automates the creation of Cisco Fast EtherChannel groups or Gigabit EtherChannel groups to link to another switch, router, or server
  • Link Aggregation Control Protocol (LACP) allows the creation of Ethernet channeling with devices that conform to IEEE 802.3ad.
  • Unidirectional Link Detection Protocol (UDLD) and aggressive UDLD allow unidirectional links caused by incorrect fibre-optic wiring or port faults to be detected and disabled on fibre-optic interfaces
  • Cisco VLAN Trunking Protocol (VTP) Version 3 supports dynamic VLANs and dynamic turnk configuration across all switches
  • AV Bridging provides reliable A/V streaming without the need for the installer to perform extensive hand tuning of the network

Efficient switch operation

  • Switching Database Manager (SDM) templates, VLAN template, and advanced template allow the administrator to automatically optimise the Ternary Content-Addressable Memory (TCAM) allocation to the desired features based on deployment-specific requirements
  • Local proxy Address Resolution Protocol (ARP) works in conjunction with private VLAN edge to minise broadcasts and maximise available bandwidth
  • Stacking master configuration management with Cisco StackWise-480 technology helps makes sure that all switches are automatically upgraded when the master switch receives a new software version.
  • Trivial File Transfer Protocol (TFTP) reduces the cost of administering software upgrades by downloading from a centralised location
  • Network Timing Protocol (NTP) provides an accurate and consistent timestamp to all intranet switches

Multicast

  • Optimised multicast for wired plus wireless: Cisco Catalyst 3850 offers greater multicast efficiency by receiving only one multicast stream and replicating it for all connected wired plus wireless devices connected to that switch
  • Internet Group Management Protocol (IGMP) v1, v2, v3 snooping for IPv4: Multicast Listener Discovery (MLD) v1 and v2 snooping provides fast client joins and leaves of multicast streams and limited bandwidth-intensive video traffic to only the requestors

Monitoring

  • Remote Switch Port Analyser (RSPAN) allows administrators to remotely monitor ports in a Layer 2 switch network from any other switch in the same network
  • For enhanced traffic management, monitoring, and analysis, the Embedded Remote Monitoring (RMON) software agent supports four RMON groups (history, statistics, alarms, and events)
  • Layer 2 traceroute eases troubleshooting by identifying the physical path that a packet takes from source to destination
  • Wireless RF management provides both real-time and historical information about RF interference affecting network performance across controllers using systemwide Cisco CleanAir technology integration

FROM THE MANUFACTURER +

From the Manufacturer

SPECIFICATIONS +

Specifications

No. Ports 48
Predominant Port Type 10/100/1000 Gigabit Fast Ethernet
PoE Ports PoE+
Switch Management Fully Managed
Product Type Layer 3 Switch
Network Technology 10/100/1000Base-T
Brand Name Cisco


Interfaces/Ports
Total Number of Network Ports48
Warranty
Limited Warranty90 Day
General Information
ManufacturerCisco Systems, Inc
Management & Protocols
ManageableYes
I/O Expansions
Number of Total Expansion Slots1
Media & Performance
Media Type SupportedTwisted Pair
Physical Characteristics
Compatible Rack Unit1U
General Information
Manufacturer Part NumberWS-C3850-48P-S
Physical Characteristics
Height44.5 mm
Form FactorRack-mountable
General Information
Manufacturer Website Addresshttp://www.cisco.com
Network & Communication
Layer Supported3
Physical Characteristics
Width444.5 mm
General Information
Brand NameCisco
Physical Characteristics
Depth449.6 mm
General Information
Product LineCatalyst
Media & Performance
Ethernet TechnologyGigabit Ethernet
General Information
Product Series3850
Interfaces/Ports
ModularYes
Media & Performance
Network Technology10/100/1000Base-T
Physical Characteristics
Weight (Approximate)7.89 kg
General Information
Product ModelWS-C3850-48P-S
Power Description
Power SourcePower Supply
General Information
Product NameCatalyst WS-C3850-48P-S Layer 3 Switch
Marketing InformationThe Cisco(r) Catalyst(r) 3850 Series is the next generation of enterprise-class stackable access-layer switches that provide full convergence between wired and wireless on a single platform. Cisco's new Unified Access Data Plane (UADP) application-specific integrated circuit (ASIC) powers the switch and enables uniform wired-wireless policy enforcement, application visibility, flexibility and application optimization. This convergence is built on the resilience of the new and improved Cisco StackWise-480. The Cisco Catalyst 3850 Series Switches support full IEEE 802.3at Power over Ethernet Plus (PoE+), modular and field-replaceable network modules, redundant fans and power supplies.
Power Description
Redundant Power Supply SupportedYes
General Information
Product TypeLayer 3 Switch
Interfaces/Ports
Stack PortYes
Miscellaneous
Package Contents - Catalyst WS-C3850-48P-S Layer 3 Switch - 715W AC Power Supply - StackWise 0.5-meter Cable
Environmentally FriendlyYes
Environmental CertificationRoHS-5
Power Description
PoE (RJ-45) PortYes

Please note: Pictures are for illustration only. Please contact us if you wish to confirm the specification before ordering.

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