Cisco SG250-26-K9 26-Port 10/100/1000 Gigabit Smart Switch

SKU: CISG25026K9N MFR: SG250-26-K9-NA
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Key Features

  • This Cisco Gigabit Smart Switch offers fast data transfer for seamless network performance.
  • With 26 ports, this switch provides high port density for expanding your network efficiently.
  • Enjoy easy management with the intuitive web interface for quick network configurations.
  • This switch supports PoE, perfect for powering IP phones, cameras, and other devices.
  • Advanced Layer 3 capabilities enable intelligent routing for optimized network traffic flow.
  • Benefit from enterprise-class reliability, ensuring your network stays up and running smoothly.
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Cisco SG250-26-K9 Specifications

  • Spanning Tree Protocol (STP)

    Standard 802.1d spanning tree support
    Fast convergence using 802.1w (Rapid Spanning Tree Protocol [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 network wide 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

  • 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

  • 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

  • Standards (Contd.)

    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

  • Standards (Contd..)

    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 Intrasite Automatic Tunnel Addressing Protocol (ISATAP) support
    USGv6 and IPv6 Gold Logo certified

  • IPv6 QoS

    Prioritize IPv6 packets in hardware

  • Multicast Listener Discovery Snooping

    Deliver IPv6 multicast packets only to the required receivers (MLD v1/2)

  • IPv6 Applications

    Web/SSL, Ping, Traceroute, Simple Network Time Protocol (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

  • IPv6 RFC Supported (Cont.)

    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

  • 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 analyzer 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 analyzer or RMON probe. Up to 4 source VLANs can be mirrored to one destination port

  • Dynamic Host Configuration Protocol

    DHCP options facilitate tighter control from a central point (DHCP server), to obtain IP address, autoconfiguration (with configuration file download), DHCP Relay, and host name (options 12, 66, 67, 129, and 150)

  • Autoconfiguration

    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

  • 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

  • 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

  • Jumbo Frames

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

  • MAC Table

    8K addresses

  • Bonjour

    The switch advertises itself using the Bonjour protocol

  • Link Layer Discovery Protocol (LLDP)

    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 (802.1ab) with LLDP-MED extensions

  • 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

  • USB Slot

    USB Type-A 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

    256MB

  • CPU

    800MHz ARM

  • CPU Memory

    512MB

  • Certification

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

  • Storage Temperature

    -4 to 158 deg. F (-20 to 70 deg. C)

  • Operating Humidity

    10% to 90%, relative, noncondensing

  • Storage Humidity

    10% to 90%, relative, noncondensing

  • 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

  • Fast Ethernet Ports

    24 10/100/1000 ports
    2 Gigabit copper/SFP combo ports

  • Switching Capacity and Forwarding Rate

    Capacity in Millions of Packets per Second (64-byte packets): 38.69Mpps
    Switching Capacity in Gigabits per Second: 52.0Gbps

  • Green Power (Mode)

    EEE, Energy Detect, Short Reach

  • System Power Consumption

    110V=18.1W
    220V=18.9W

  • Heat Dissipation

    64.49 BTU/hr

  • Total System Ports

    26 Gigabit Ethernet

  • RJ-45 Ports

    24 Gigabit Ethernet

  • Combo Ports (RJ-45 + SFP)

    2 Gigabit Ethernet combo

  • Packet Buffer

    12MB

  • Power

    100-240V 50-60Hz, internal, universal

  • Operating Temperature

    32 to 122 deg. F (0 to 50 deg. C)

  • MTBF at 50deg. C (Hours)

    343,592.66

  • Dimensions (WxHxD)

    440 x 44 x 202mm (17.32 x 1.73 x 7.95")

  • Weight

    2.72kg (6.00 lbs)

  • UPC Code

    882658767357

About Cisco SG250-26-K9

From a trusted name in the networking industry, the Cisco SG250-26-K9 26-Port 10/100/1000 Gigabit Smart Switch offers a perfect blend of efficiency, reliability, and high-speed performance. Designed for today's hyperconnected business environment, this smart switch ensures seamless access to network resources, making it an essential component of your network infrastructure.

The SG250-26-K9 is not just a network switch; it's a smart investment for businesses looking to stay competitive without overspending on unnecessary features. It delivers business-class network performance and security, all without the need for advanced network management features.

This efficient switch comes equipped with 26 Gigabit Ethernet ports, offering impressive 10/100/1000Mbps port speeds. It's designed to connect a multitude of devices, from computers and printers to phones and wireless access points, making it a versatile addition to any network setup.

Moreover, the SG250-26-K9 supports both 802.3af and 802.3at Power over Ethernet (PoE) standards. This means it can provide power to a wide range of PoE-enabled devices such as IP cameras and VoIP phones, further enhancing its utility and value.

In a world where reliable network access is paramount, the Cisco SG250-26-K9 26-Port 10/100/1000 Gigabit Smart Switch stands as an affordable, easy-to-use solution that doesn't compromise on quality or performance.

Cisco SG250-26-K9 Features

  • High-speed Cisco SG250-26-K9 26-Port 10/100/1000 Gigabit Smart Switch for efficient networking
  • Features 26 Gigabit Ethernet ports for versatile device connectivity
  • Supports both 802.3af and 802.3at Power over Ethernet (PoE) standards
  • Ideal for connecting computers, printers, phones, and wireless access points
  • Provides business-class network performance and security
  • Reliable and affordable solution for businesses in a hyperconnected environment

Key Features

  • This Cisco Gigabit Smart Switch offers fast data transfer for seamless network performance.
  • With 26 ports, this switch provides high port density for expanding your network efficiently.
  • Enjoy easy management with the intuitive web interface for quick network configurations.
  • This switch supports PoE, perfect for powering IP phones, cameras, and other devices.
  • Advanced Layer 3 capabilities enable intelligent routing for optimized network traffic flow.
  • Benefit from enterprise-class reliability, ensuring your network stays up and running smoothly.

What's in the box:

  • Cisco SG250-26-K9 26-Port 10/100/1000 Gigabit Smart Switch
  • Power Cord
  • Mounting Kit
  • Quick Start Guide
  • Cisco Lifetime Limited Warranty