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Cisco 48 Port Smart Managed Fast Ethernet Switch, 2x Combo Ports / SF250-48

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AE2842019MAE
9,615 EGP
Cisco
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Cisco 48 Port Smart Managed Fast Ethernet Switch, 2x Combo Ports / SF250-48

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Key Features

  • Easy configuration and management: The Cisco SF250-48 Fast Ethernet Switch is designed to be easy to deploy and use by small businesses or the partners that serve them. Simple-to-use web-based interfaces reduce the time it takes to deploy, manage, and troubleshoot your network. Key features include:
    • Cisco Discovery Protocol simplifies setup by discovering all connected Cisco devices and allowing them to share information
    • Cisco FindIT Network Discovery Utility works through a simple toolbar on the user's web browser to discover Cisco devices on the network and display basic information, such as serial numbers and IP addresses, to aid in the configuration and speed the deployment of Cisco Small Business products. For more information, and to download the utility, visit www.cisco.com/go/sbtoolbar.
  • Performance and reliability: Each Cisco SF250-48 Smart Fast Ethernet Switch has been tested to deliver the high availability and performance you would expect from a Cisco Fast Ethernet Switch and help you prevent costly downtime. The Smart Switches speed file transfer times, improve slow and sluggish networks, keep your vital business applications available, and help your employees respond more quickly to customers and each other. With a network based on a Cisco SF250-48 Fast Ethernet Switch, you can address all of your business communication and connectivity needs and reduce the total cost of ownership of your technology infrastructure.
  • Network security: A Cisco SF250-48 Smart Fast Ethernet Switch provides basic security and network management features you need to maintain a level of security for your business, keep unauthorised users off the network, and protect your business data. The Fast Ethernet Switches provide integrated network security to reduce the risk of a security breach, with IEEE 802.1X port security to control access to your network.
  • IP telephony support: The Cisco SF250-48 Fast Ethernet Switch includes QoS features to prioritise delay-sensitive services such as voice and video, simplify unified communications deployments, and help ensure consistent network performance for all services. For example, Auto Voice VLAN capabilities let you plug any IP phone (including third-party phones) into your IP telephony network and receive an immediate dial tone. The switch automatically configures the device with the right VLAN and QoS parameters to prioritise voice traffic.
  • IPv6 support: Internet service providers worldwide are moving to the latest version of Internet Protocol to accommodate the growing number of network devices. This Cisco SF250-48 Fast Ethernet Switch provides native support for IPv6 alongside traditional IPv4. That means you can take full advantage of IPv6-enabled operating systems and applications in the future, without having to upgrade your network equipment.
  • An energy-efficient solution: Every Cisco SF250-48 switch is designed to be eco-friendly without compromising performance. They help conserve energy by optimising power use, which helps protect the environment and lowers your energy costs. Power-saving features include:
    • Automatic power down on Fast Ethernet ports when a link is not active
    • Embedded intelligence to adjust power based on cable length on Fast Ethernet models
    • Fanless design in most models, which reduces power consumption, increases reliability, and provides quieter operation
  • Additional Fast Ethernet ports: The Cisco SF250-48 Smart Fast Ethernet Switch provides more ports per switch than other switches in the market, giving you more flexibility to connect and empower your business by offering 2x mini Fast Ethernet Interface Converter (mini-GBIC) expansion slots that give you the option to add fibre optic or Fast Ethernet uplink connectivity to the switch.
  • Peace of mind and investment protection: Cisco SF250-48 Smart Fast Ethernet Switch offers the reliable performance, investment protection, and peace of mind you expect from a Cisco switch. When you invest in the Cisco 250 Series, you gain the benefit of:
    • Cisco limited lifetime warranty
    • Cisco Small Business Investment Protection Program, which lets you upgrade a Cisco 250 Series switch to another Cisco Small Business or Cisco Catalyst switch in the future and receive credit for the value of the switch (available only in the United States and Canada)
    • Rigorous testing to help ensure easy integration and compatibility with other Cisco networking and communications products, including the complete Cisco Small Business portfolio
Brand:
Cisco
Switch Specification
Switch Type
Smart
Placement Options
Rackmount
Ports
48-52
Power
non- PoE

Performance

Switching capacity and forwarding rate, all switches are wire-speed and nonblocking

  • Capacity in Millions of Packets per Second (mpps) (64-byte packets)
    • 13.10
  • Switching Capacity in Gigabits per Second (Gbps)
    • 17.6

Layer 2 Switching

Spanning Tree Protocol (STP)

  • Standard 802.1d spanning tree support
  • Fast convergence using 802.1w (Rapid Spanning Tree [RSTP]), enabled by default
  • Multiple spanning tree instances using 802.1s (MSTP); 8 instances are supported

Port grouping/link aggregation

  • Support for IEEE 802.3ad Link Aggregation Control Protocol (LACP)
    • Up to 4 groups
    • Up to 8 ports per group with 16 candidate ports for each (dynamic) 802.3ad LAG

VLAN

  • Support for up to 256 active VLANs simultaneously
  • Port-based and 802.1Q tag-based VLANs
  • Management VLAN

Voice VLAN

  • Voice traffic is automatically assigned to a voice-specific VLAN and treated with appropriate levels of QoS. Auto voice capabilities deliver networkwide zero-touch deployment of voice endpoints and call control devices.

IGMP (versions 1, 2, and 3) snooping

  • Internet Group Management Protocol (IGMP) limits bandwidth-intensive multicast traffic to only the requesters; supports 4K multicast groups (source-specific multicasting is also supported).

HOL blocking

  • Head-of-line (HOL) blocking.

Security

SSL

  • Secure Sockets Layer (SSL) encrypts all HTTPS traffic, allowing secure access to the browser-based management GUI in the switch.

IEEE 802.1X (authenticator role)

  • RADIUS authentication, MD5 hash, single/multiple host mode, and single/multiple sessions.

Secure Sensitive Data (SSD)

  • A mechanism to manage sensitive data (such as passwords, keys, and so on) securely on the switch, populating this data to other devices, and secure autoconfig. Access to view the sensitive data as plaintext or encrypted is provided according to the user-configured access level and the access method of the user.

Port security

  • Ability to lock source MAC addresses to ports and limit the number of learned MAC addresses.

RADIUS

  • Supports RADIUS authentication for management access. Switch functions as a client.

Storm control

  • Broadcast, multicast, and unknown unicast.

DoS prevention

  • Denial-of-service (DoS) attack prevention.

Quality of Service

Priority levels

  • 4 hardware queues

Scheduling

  • Strict priority and weighted round-robin (WRR)

Class of service

  • Port based; 802.1p VLAN priority based; IPv4/v6 IP precedence/ToS/DSCP based; DiffServ; trusted QoS
  • Queue assignment based on differentiated services code point (DSCP) and class of service (802.1p/CoS)

Rate limiting

  • Ingress policer, per VLAN, per port

Standards

  • IEEE 802.3 10BASE-T Ethernet, IEEE 802.3u 100BASE-TX Fast Ethernet, IEEE 802.3ab 1000BASE-T Gigabit Ethernet, IEEE 802.3ad Link Aggregation Control Protocol, IEEE 802.3z Gigabit Ethernet, IEEE 802.3x Flow Control, IEEE 802.3 ad LACP, IEEE 802.1D (STP), IEEE 802.1Q/p VLAN, IEEE 802.1w RSTP, IEEE 802.1s Multiple STP, IEEE 802.1X Port Access Authentication, IEEE 802.3af, IEEE 802.3at, RFC 768, RFC 783, RFC 791, RFC 792, RFC 793, RFC 813, RFC 879, RFC 896, RFC 826, RFC 854, RFC 855, RFC 856, RFC 858, RFC 894, RFC 919, RFC 920, RFC 922, RFC 950, RFC 951, RFC 1042, RFC 1071, RFC 1123, RFC 1141, RFC 1155, RFC 1157, RFC 1213, RFC 1215, RFC 1286, RFC 1350, RFC 1442, RFC 1451, RFC 1493, RFC 1533, RFC 1541, RFC 1542, RFC 1573, RFC 1624, RFC 1643, RFC 1700, RFC 1757, RFC 1867, RFC 1907, RFC 2011, RFC 2012, RFC 2013, RFC 2030, RFC 2131, RFC 2132, RFC 2233, RFC 2576, RFC 2616, RFC 2618, RFC 2665, RFC 2666, RFC 2674, RFC 2737, RFC 2819, RFC 2863, RFC 3164, RFC 3411, RFC 3412, RFC 3413, RFC 3414, RFC 3415, RFC 3416, RFC 4330

IPv6

  • IPv6 host mode
  • IPv6 over Ethernet
  • Dual IPv6/IPv4 stack
  • IPv6 neighbor and router discovery (ND)
  • IPv6 stateless address auto-configuration
  • Path maximum transmission unit (MTU) discovery
  • Duplicate address detection (DAD)
  • Internet Control Message Protocol (ICMP) version 6
  • IPv6 over IPv4 network with Intra-Site Automatic Tunnel Addressing Protocol (ISATAP) support
  • USGv6 and IPv6 Gold Logo certified

IPv6 QoS

  • Prioritize IPv6 packets in hardware

Multicast Listener Discovery (MLD v1/2) snooping

  • Deliver IPv6 multicast packets only to the required receivers

IPv6 applications

  • Web/SSL, Ping, Traceroute, Simple Network Time Protoco (SNTP), Trivial File Transfer Protocol (TFTP), Simple Network Management Protocol (SNMP), Remote Authentication Dial-In User Service (RADIUS), Syslog, DNS client, DHCP Client, DHCP Autoconfig

IPv6 RFC supported

  • RFC 4443 (which obsoletes RFC 2463): ICMPv6
  • RFC 4291 (which obsoletes RFC 3513): IPv6 address architecture
  • RFC 4291: IP Version 6 Addressing Architecture
  • RFC 2460: IPv6 Specification
  • RFC 4861 (which obsoletes RFC 2461): Neighbor Discovery for IPv6
  • RFC 4862 (which obsoletes RFC 2462): IPv6 Stateless Address Autoconfiguration
  • RFC 1981: Path MTU Discovery
  • RFC 4007: IPv6 Scoped Address Architecture
  • RFC 3484: Default address selection mechanism
  • RFC 5214 (which obsoletes RFC 4214): ISATAP tunneling
  • RFC 4293; MIB IPv6: Textual Conventions and General Group
  • RFC 3595; Textual Conventions for IPv6 Flow Label

Management

Web user interface

  • Built-in switch configuration utility for easy browser-based device configuration (HTTP/HTTPS). Supports configuration, system dashboard, system maintenance, and monitoring.

SNMP

  • SNMP versions 1, 2c, and 3 with support for traps, and SNMP v3 User-based Security Model (USM)

Remote Monitoring (RMON)

  • Embedded RMON software agent supports 4 RMON groups (history, statistics, alarms, and events) for enhanced traffic management, monitoring, and analysis

IPv4 and IPv6 dual stack

  • Coexistence of both protocol stacks to ease migration

Firmware upgrade

  • Web browser upgrade (HTTP/HTTPS) and TFTP and SCP

Port mirroring

  • Traffic on a port can be mirrored to another port for analysis with a network analyser or RMON probe. Up to 4 source ports can be mirrored to one destination port.

VLAN mirroring

  • Traffic from a VLAN can be mirrored to a port for analysis with a network analyser or RMON probe. Up to 4 source VLANs can be mirrored to one destination port.

Dynamic Host Configuration Protocol (DHCP) (options 12, 66, 67, 129, and 150)

  • DHCP options facilitate tighter control from a central point (DHCP server), to obtain IP address, auto configuration (with configuration file download), DHCP Relay, and host name.

Auto configuration

  • Enables mass deployment with protection of sensitive data.

Text-editable configs

  • Config files can be edited with a text editor and downloaded to another switch, facilitating easier mass deployment.

Smartports

  • Simplified configuration of QoS and security capabilities.

Auto Smartports

  • Automatically applies the intelligence delivered through the Smartports roles to the port based on the devices discovered over Cisco Discovery Protocol or LLDP-MED. This facilitates zero-touch deployments.

Cloud services

  • Support for Cisco Active Advisor

Localization

  • Localization of GUI and documentation into multiple languages

Login banner

  • Configurable multiple banners for web as well as CLI

Other management

  • Traceroute; single IP management; HTTP/HTTPS; RADIUS; port mirroring; TFTP upgrade; DHCP client; Simple Network Time Protocol (SNTP); cable diagnostics; Ping; syslog; automatic time settings from Management Station.

Green (Power Efficiency)

Energy detect

  • Automatically turns power off on RJ-45 port when detecting link down.
  • Active mode is resumed without loss of any packets when the switch detects the link is up.

Cable length detection

  • Adjusts the signal strength based on the cable length. Reduces the power consumption for shorter cables.

EEE compliant (802.3az)

  • Supports IEEE 802.3az on all copper Gigabit Ethernet ports.

Disable port LEDs

  • LEDs can be manually turned off to save on energy.

General

Jumbo frames

  • Frame sizes up to 9K bytes. The default MTU is 2K bytes.

MAC table

  • 8K addresses.

Discovery

Bonjour

  • The switch advertises itself using the Bonjour protocol.

Link Layer Discovery Protocol (LLDP) (802.1ab) with LLDP-MED extensions

  • Link Layer Discovery Protocol (LLDP) allows the switch to advertise its identification, configuration, and capabilities to neighboring devices that store the data in a MIB. LLDP-MED is an enhancement to LLDP that adds the extensions needed for IP phones.

Cisco Discovery Protocol

  • The switch advertises itself using the Cisco Discovery Protocol. It also learns the connected device and its characteristics using Cisco Discovery Protocol.

Auto Smartports

  • Automatically applies the intelligence delivered through the Smartports roles to the port based on the devices discovered over Cisco Discovery Protocol or LLDP-MED. This capability facilitates zero-touch deployments.

Product Specifications

Power consumption (worst case)

  • Green Power (mode)
    • EEE, Energy Detect
  • System Power Consumption
    • 110V=23.4W
    • 220V=24.2W
  • Power Consumption (with PoE)
    • N/A
  • Heat Dissipation (BTU/hr)
    • 82.57

Ports

  • Total System Ports
    • 48 Fast Ethernet and 2 Gigabit Ethernet
  • RJ-45 Ports
    • 48 Fast Ethernet
  • Combo Ports (RJ-45 + SFP)
    • 2 Gigabit Ethernet combo

USB slot

  • USB slot on the front panel of the switch for easy file and image management

Buttons

  • Reset button

Cabling type

  • Unshielded twisted pair (UTP) Category 5 or better for 10BASE-T/100BASE-TX; UTP Category 5e or better for 1000BASE-T

LEDs

  • System, Link/Act, PoE, Speed

Flash

  • 256 MB

CPU

  • 800 MHz ARM

CPU memory

  • 512 MB

Packet Buffer

  • 24Mb

Environmental

Unit dimensions (W x H x D)

  • 440 x 44 x 257 mm (17.3 x 1.45 x 10.12 in)

Unit weight

  • 3.57 kg (7.87 lb)

Power

  • 100 - 240V 47 - 63 Hz, internal, universal

Certification

  • UL (UL 60950), CSA (CSA 22.2), CE mark, FCC Part 15 (CFR 47) Class A

Operating temperature

  • 32° to 122°F (0° to 50°C)

Storage temperature

  • -4° to 158°F (-20° to 70°C)

Operating humidity

  • 10% to 90%, relative, noncondensing

Storage humidity

  • 10% to 90%, relative, noncondensing

Acoustic noise and mean time between failures (MTBF)

  • Fan (Number)
    • No Fan
  • Acoustic Noise
    • N/A
  • MTBF at 50°C (Hours)
    • 256,281.25

Warranty

  • Limited lifetime

Package Contents

  • Cisco 250 Series Smart Switch
  • Power cord (power adapter for 10-port SKUs)
  • Mounting kit
  • Quick Start Guide

Minimum Requirements

  • Web browser: Mozilla Firefox version 36 or later; Microsoft Internet Explorer version 9 or later,
  • Chrome version 40 or later, Safari version 5 or later;Category 5 Ethernet network cable
    TCP/IP, network adapter, and network operating system (such as Microsoft Windows, Linux, or Mac OS X) installed

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