Cisco SF550X-24-K9 24 Port Fast Ethernet Managed Switch

Cisco SF550X-24-K9 24 Port Fast Ethernet Managed Switch

Cisco SF550X-24-K9 24 Port Fast Ethernet Managed Switch

B&H # CISF550X24K9 MFR # SF550X-24-K9-NA
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Expected availability: 2-3 business days

Product Highlights

  • 24 x Fast Ethernet Ports
  • 4 x 10 Gigabit Ethernet Combo Ports
  • 84.8 Gbps Switching Capacity
  • 63.09 Mpps Forwarding Rate
  • 800 MHz Dual-Core ARM Processor
  • 512MB RAM
  • Stackable Design
  • Enhanced Power Efficiency
  • Easy Deployment and Use
  • Strong Security
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Cisco SF550X-24 overview

  • 1Description

Eliminate downtime and improve network redundancy with the SF550X-24-K9 24 Port Fast Ethernet Managed Switch from Cisco.

This network switch comes equipped with 24 Fast Ethernet ports, 2 10GBase-T/SFP+ ports, and 2 SFP+ ports giving network administrators a wealth of connectivity options. Backing up the plethora network ports, this Cisco switch comes supports an 84.4 Gbps switching capacity and a 63.09 Mpps forwarding rate to ensure data flows smoothly about the switch. Inside the SF550X series switch is an 800 MHz dual-core ARM processor along with 512 MB RAM and 256 MB flash memory.

This Cisco SF550X series switch is designed around redundancy and network uptime as it can easily be stacked with other compatible network switches. In this setup switches are designed to work in conjunction with one another so if one switch fails another carries the load thus mitigating network downtime or avoiding it altogether. The SF550X is also energy efficient as it comes compatible with the IEEE 802.3az network standard allowing it to monitor network usage and adjust the power output accordingly.

The Cisco SF550X is easy to deploy and use as it supports a variety of advanced management features including a graphical user interface, configuration wizards, command-line interface capabilities, Cisco Discovery Protocol, SNMP support, and more.

High-Performance 10 Gigabit Ethernet
Cisco 550X Series switches break the barrier of 10 Gigabit Ethernet adoption by providing affordable and flexible configurations customized for the demanding network requirements of small and medium businesses.
High Reliability and Resiliency
In a growing business in which availability 24 hours a day, 7 days a week is critical, you need to assure that employees and customers can always access the data and resources whenever they need. In these environments, stackable switches can play an important role in eliminating downtime and improving network resiliency. For example, if a switch within a Cisco 550X Series stack fails, another switch immediately takes over, keeping your network up and running. You can also replace individual devices in the stack without taking your network offline or affecting employee productivity.

The Cisco 550X Series is designed to deliver hardware redundancy at the lowest incremental cost. Power redundancy is delivered with the Cisco RPS2300 external RPS system. If power to the switch is lost (through loss of AC power or power supply failure), the switch will automatically, and instantaneously, obtain its power from the RPS. This switchover occurs so quickly that there is no loss in traffic or reboot of the device. A Cisco RPS2300 system can be connected to up to six 550X Series switches to provide redundancy. Cooling fan redundancy is delivered through preinstalled N+1 configuration. A switch can fully support all its capabilities for the life of the product with only N fans. If one of the fans fails, the spare fan automatically takes over, without causing any downtime.

The Cisco 550X Series provides an additional layer of resiliency with support for the Virtual Router Redundancy Protocol (VRRP). VRRP lets you extend the same resiliency that stacking provides for individual switches to complete network domains. By running VRRP between two stacks, you can instantly cut over from one stack to another in the event of a problem and continue operating even after a failure.

The Cisco 550X Series also supports dual images, allowing you to perform software upgrades without having to take the network offline or worry about the network going down during the upgrade.
Power Efficiency
The Cisco 550X Series integrates a variety of power-saving features across all models, providing extensive energy-efficient switching capabilities. This switch is designed to conserve energy by optimizing power use, which helps protects the environment and reduce your energy costs. They provide an eco-friendly network solution without compromising performance. Cisco 550X Series switches feature:
  • Support for the Energy Efficient Ethernet (IEEE 802.3az) standard, which reduces energy consumption by monitoring the amount of traffic on an active link and putting the link into a sleep state during quiet periods
  • The latest application-specific integrated circuits (ASICs), which use low-power 28- or 40-nanometer technology and low-power, high-performance ARM CPUs
  • Automatic power shutoff on ports when a link is down
  • LEDs that can be turned off to save power
  • Embedded intelligence to adjust signal strength based on the length of the connecting cable
  • Smart fans in which fan speed is automatically adjusted according to switch temperature to decrease acoustic noise and save power
Advanced Stacking
Some switches claim to support stacking but in practice support only "clustering," meaning that each switch must still be managed and configured individually. Cisco 550X Series switches provide true stacking capability, allowing you to configure, manage, and troubleshoot all switches in a stack as a single unit, with a single IP address for up to a maximum of 400 Ethernet ports.

A true stack delivers a unified data and control plane, in addition to management plane, providing flexibility, scalability, and ease of use because the stack of units operates as a single entity constituting all the ports of the stack members. This capability can radically reduce complexity in a growing network environment while improving the resiliency and availability of network applications. True stacking also provides other cost savings and administrative benefits through features such as cross-stack QoS, VLANs, LAGs, and port mirroring, which clustered switches cannot support.

Using standard 10G fiber or copper connections, the Cisco 550X Series supports both local and horizontal stacking deployments and the flexibility of ring or chain topology. The switches also have the capability to use link aggregation port as the stacking port, providing even higher stacking bandwidth for demanding applications.
Easy Deployment and Use
Cisco 550X Series switches are designed to be easy to use and manage by small and medium businesses, commercial customers, or the partners that serve them. Features include:
  • Simple and advanced mode graphic user interfaces reduce the time required to deploy, troubleshoot, and manage the network and allow you to support sophisticated capabilities without increasing IT head count.
  • Configuration wizards simplify the most common configuration tasks and provide the ultimate tool for anyone to easily set up and manage the network.
  • The switches also support Textview, a full command-line interface (CLI) option for customers or partners that prefer it.
  • The USB port on the switch enables easy image and configuration transfer for faster deployment or upgrade.
  • Using Auto Smart ports intelligence, the switch can detect a network device connected to any port and automatically configure the optimal security, quality of service (QoS), and availability on that port.
  • Cisco Discovery Protocol discovers Cisco devices and allows devices to share critical configuration information, simplifying network setup and integration.
  • Support for Simple Network Management Protocol (SNMP) allows you to set up and manage your switches and other Cisco devices remotely from a network management station, improving IT workflow and mass configurations.
  • The Cisco FindIT utility, which works through a simple toolbar on the user's web browser, discovers Cisco devices in the network and displays basic information, such as serial numbers and IP addresses, to aid in configuration and deployment.
Simplified IT Operation
Cisco 550X Series switches help optimize your IT operations with built-in features that simplify day-to-day network operation:
  • True stacking allows you to configure, manage, and troubleshoot multiple physical switches as a single entity.
  • Cisco switches use common chipsets/software across all switching portfolios, so all Cisco switches within a series support the same feature set, making it easier to manage and support all switches across the network.
Strong Security
Cisco 550X Series switches provide the advanced security features you need to protect your business data and keep unauthorized users off the network:
  • Embedded Secure Sockets Layer (SSL) encryption protects management data traveling to and from the switch.
  • Extensive access control lists (ACLs) restrict sensitive portions of the network to keep out unauthorized users and guard against network attacks.
  • Guest VLANs let you provide Internet connectivity to nonemployee users while isolating critical business services from guest traffic.
  • Support for advanced network security applications such as IEEE 802.1X port security tightly limits access to specific segments of your network. Web-based authentication provides a consistent interface to authenticate all types of host devices and operating systems, without the complexity of deploying IEEE 802.1X clients on each endpoint.
  • Advanced defense mechanisms, including dynamic Address Resolution Protocol (ARP) inspection, IP Source Guard, and Dynamic Host Configuration Protocol (DHCP) snooping, detect and block deliberate network attacks. Combinations of these protocols are also referred to as IP-MAC port binding (IPMB).
  • IPv6 First Hop Security extends the advanced threat protection to IPv6. This comprehensive security suite includes ND inspection, RA guard, DHCPv6 guard, and neighbor binding integrity check, providing unparalleled protection against a vast range of address spoofing and man-in-the-middle attacks on IPv6 networks.
  • Time-based ACLs and port operation restrict access to the network during predesignated times, such as business hours.
  • Uniform MAC address-based security can be applied automatically to mobile users as they roam between wireless access points.
  • Secure Core Technology (SCT) helps ensure that the switch is able to process management traffic in the face of a denial-of-service (DoS) attack.
  • Private VLAN provides Layer 2 isolation between devices on the same VLAN.
  • Storm control can be applied to broadcast, multicast, and unknown unicast traffic.
  • Protection of management sessions is possible using RADIUS, TACACS+, and local database authentication as well as secure management sessions over SSL, SSH, and SNMPv3.
  • DoS attack prevention maximizes network uptime in the presence of an attack.
Advanced Layer 3 Traffic Management
The Cisco 550X Series enables a more advanced set of traffic management capabilities to help growing businesses organize their networks more effectively and efficiently. For example, the switches provide static Layer 3 routing, allowing you to segment your network into workgroups and communicate across VLANs without degrading application performance.

With these capabilities, you can boost the efficiency of your network by offloading internal traffic-handling tasks from your router and allowing it to manage primarily external traffic and security.

Additionally, Cisco 550X series provide dynamic Layer 3 routing features. With these capabilities, you can minimize the need to manually configure routing devices and simplify the ongoing operation of the network.
IPv6 Support
As the IP address scheme evolves to accommodate a growing number of network devices, the Cisco 550X Series can support the transition to the next generation of networking and operating systems. These switches continue to support previous-generation IPv4, allowing you to evolve to the new IPv6 standard at your own pace and helping ensure that your current network will continue to support your business applications in the future. Cisco 550X Series switches have successfully completed rigorous IPv6 testing and have received the USGv6 and IPv6 Gold certification.
Networkwide Automatic Voice Deployment
Using a combination of Cisco Discovery Protocol, LLDP-MED, Auto Smart ports, and Voice Services Discovery Protocol (VSDP, a unique Cisco protocol), customers can deploy an end-to-end voice network dynamically. The switches in the network automatically converge around a single voice VLAN and QoS parameters and then propagate them out to the phones on the ports where they are discovered. For example, automated 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 prioritize voice traffic.
UPC: 882658808272
In the Box
Cisco SF550X-24-K9 24 Port Fast Ethernet Managed Switch
  • Power Cord
  • Mounting Kit
  • Serial Cable
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description

    Cisco SF550X-24 specs

    Switching Capacity Forwarding Rate
    63.09 mpps
    Switching Capacity
    84.4 Gbps
    Layer 2 Switching Spanning Tree Protocol
    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); 16 instances are supported

    Port grouping/link aggregation
    Support for IEEE 802.3ad Link Aggregation Control Protocol (LACP)
    ● Up to 32 groups
    ● Up to 8 ports per group with 16 candidate ports for each (dynamic) 802.3ad LAG

    Support for up to 4094 active VLANs simultaneously; port-based and 802.1Q tag-based VLANs; MAC-based VLAN
    Management VLAN
    Private VLAN with promiscuous, isolated, and community port
    Guest VLAN, unauthenticated VLAN, protocol-based VLAN, IP subnet-based VLAN, CPE VLAN
    Dynamic VLAN assignment using RADIUS server along with 802.1x client authentication

    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.

    Multicast TV VLAN
    Multicast TV VLAN allows the single multicast VLAN to be shared in the network while subscribers remain in separate VLANs. This feature is also known as Multicast VLAN Registration (MVR).

    VLANs transparently cross over a service provider network while isolating traffic among customers.

    Generic VLAN Registration Protocol (GVRP) and Generic Attribute Registration Protocol (GARP) enable automatic propagation and configuration of VLANs in a bridged domain.

    Unidirectional Link Detection (UDLD)
    UDLD monitors physical connection to detect unidirectional links caused by incorrect wiring or port faults to prevent forwarding loops and blackholing of traffic in switched networks.

    DHCP relay at Layer 2
    Relay of DHCP traffic to DHCP server in a different VLAN. Works with DHCP option 82.

    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).

    IGMP querier
    IGMP querier is used to support a Layer 2 multicast domain of snooping switches in the absence of a multicast router.

    HOL blocking
    Head-of-line (HOL) blocking
    Layer 3 Routing IPv4 routing
    Wirespeed routing of IPv4 packets
    Up to 7K routes and up to 256 IP interfaces

    Wirespeed IPv6 static routing
    Up to 7K routes and up to 256 IPv6 interfaces

    Layer 3 interface
    Configuration of Layer 3 interface on physical port, LAG, VLAN interface, or loopback interface

    Support for classless interdomain routing

    RIP v2
    Support for Routing Information Protocol version 2 for dynamic routing

    Virtual Router Redundancy Protocol (VRRP) delivers improved availability in a Layer 3 network by providing redundancy of the default gateway servicing hosts on the network. VRRP versions 2 and 3 are supported. Up to 255 virtual routers are supported

    Policy-based routing (PBR)
    Flexible routing control to direct packets to different next hop based on IPv4 or IPv6 ACL

    DHCP server
    Switch functions as an IPv4 DHCP server serving IP addresses for multiple DHCP pools/scopes.
    Support for DHCP options
    DHCP relay at Layer 3
    Relay of DHCP traffic across IP domains

    User Datagram Protocol (UDP) relay
    Relay of broadcast information across Layer 3 domains for application discovery or relaying of BOOTP/DHCP packets
    Stacking Hardware stack
    Up to 8 units in a stack. Up to 400 ports managed as a single system with hardware failover.

    High availability
    Fast stack failover delivers minimal traffic loss. Support link aggregation across multiple units in a stack.

    Plug-and-play stacking configuration/management
    Master/backup for resilient stack control
    Hot swap of units in stack
    Ring and chain stacking options, autostacking port speed, flexible stacking port options

    High-speed stack interconnects
    Cost-effective high-speed 10G fiber and copper interfaces. Support LAG as stacking interconnects for even higher bandwidth.
    Security SSH
    SSH is a secure replacement for Telnet traffic. SCP also uses SSH. SSH versions 1 and 2 are supported.

    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 and accounting, MD5 hash, guest VLAN, unauthenticated VLAN, single/multiple host mode, and single/multiple sessions.
    Supports time-based 802.1X dynamic VLAN assignment.

    Web-based authentication
    Web-based authentication provides network admission control through web browser to any host devices and operating systems.

    STP BPDU Guard
    A security mechanism to protect the networks from invalid configurations. A port enabled for Bridge Protocol Data Unit (BPDU) Guard is shut down if a BPDU message is received on that port. This avoids accidental topology loops.

    STP Root Guard
    This prevents edge devices not in the network administrator's control from becoming Spanning Tree Protocol root nodes.

    DHCP snooping
    Filters out DHCP messages with unregistered IP addresses and/or from unexpected or untrusted interfaces. This prevents rogue devices from behaving as a DHCP server.

    IP Source Guard (IPSG)
    When IP Source Guard is enabled at a port, the switch filters out IP packets received from the port if the source IP addresses of the packets have not been statically configured or dynamically learned from DHCP snooping. This prevents IP address spoofing.

    Dynamic ARP Inspection (DAI)
    The switch discards ARP packets from a port if there are no static or dynamic IP/MAC bindings or if there is a discrepancy between the source or destination address in the ARP packet. This prevents man-in-the-middle attacks.

    IP/MAC/Port Binding (IPMB)
    The preceding features (DHCP Snooping, IP Source Guard, and Dynamic ARP Inspection) work together to prevent DoS attacks in the network, thereby increasing network availability.

    Secure Core Technology (SCT)
    Makes sure that the switch will receive and process management and protocol traffic no matter how much traffic is received.

    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.

    Private VLAN
    Private VLAN provides security and isolation between switch ports, which helps ensure that users cannot snoop on other users' traffic; supports multiple uplinks.

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

    Supports RADIUS and TACACS authentication. Switch functions as a client.

    RADIUS accounting
    The RADIUS accounting functions allow data to be sent at the start and end of services, indicating the amount of resources (such as time, packets, bytes, and so on) used during the session.

    Storm control
    Broadcast, multicast, and unknown unicast.

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

    Multiple user privilege levels in CLI
    Level 1, 7, and 15 privilege levels.

    Support for up to 2K entries on SG550XG models.
    Support for up to 3K entries on all other models.
    Time-based ACLs supported.
    Quality of Service (QoS) Priority levels
    8 hardware queues

    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; classification and remarking ACLs, trusted QoS
    Queue assignment based on differentiated services code point (DSCP) and class of service (802.1p/CoS)

    Rate limiting
    Ingress policer; egress shaping and ingress rate control; per VLAN, per port, and flow base; 2R3C policing

    Congestion avoidance
    A TCP congestion avoidance algorithm is required to minimize and prevent global TCP loss synchronization.
    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 802.3ae 10 Gbit/s Ethernet over fiber for LAN, IEEE 802.3an 10GBase-T 10 Gbit/s Ethernet over copper twisted pair cable, IEEE 802.3x Flow Control, IEEE 802.1D (STP, GARP, and GVRP), IEEE 802.1Q/p VLAN, IEEE 802.1w Rapid STP, IEEE 802.1s Multiple STP, IEEE 802.1X Port Access Authentication, IEEE 802.3af, IEEE 802.3at, IEEE 802.1AB Link Layer Discovery Protocol, IEEE 802.3az Energy Efficient Ethernet, RFC 768, RFC 783, RFC 791, RFC 792, RFC 793, RFC 813, RFC 826, RFC 879, RFC 896, 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 3176, RFC 3411, RFC 3412, RFC 3413, RFC 3414, RFC 3415, RFC 3416, RFC 4330
    IPv6 IPv6
    IPv6 host mode IPv6 over Ethernet dual IPv6/IPv4 stack
    IPv6 Neighbor and Router Discovery (ND), IPv6 Stateless Address Autoconfiguration, path MTU Discovery
    Duplicate Address Detection (DAD) ICMPv6
    IPv6 over IPv4 network with ISATAP tunnel support
    USGv6 and IPv6 Gold Logo certified

    IPv6 QoS
    Prioritize IPv6 packets in hardware

    IPv6 ACL
    Drop or rate limit IPv6 packets in hardware

    IPv6 First Hop Security
    RA guard
    ND inspection
    DHCPv6 guard
    Neighbor binding table (snooping and static entries)
    Neighbor binding integrity check

    Multicast Listener Discovery (MLD v1/2) snooping
    Deliver IPv6 multicast packets only to the required receivers

    IPv6 applications
    Web/SSL, Telnet Server/SSH, Ping, Traceroute, SNTP, TFTP, SNMP, RADIUS, Syslog, DNS client, DHCP Client, DHCP Autoconfig, IPv6 DHCP Relay, TACACS

    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 simple and advanced mode, configuration, wizards, customizable dashboard, system maintenance, monitoring, online help, and universal search.

    SNMP versions 1, 2c, and 3 with support for traps, and SNMP v3 User-based Security Model (USM) 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
    ● Upgrade can be initiated through console port as well
    ● Dual images for resilient firmware upgrades

    Port mirroring
    Traffic on a port or LAG can be mirrored to another port for analysis with a network analyzer or RMON probe. Up to 8 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 8 source VLANs can be mirrored to one destination port.

    Flow-based redirection and mirroring
    Redirect or mirror traffic to a destination port or mirroring session based on flow

    Remote Switch Port Analyzer (RSPAN)
    Traffic can be mirrored across Layer 2 domain to a remote port on a different switch for easier troubleshooting

    sFlow agent
    Switch can export sFlow sample to external collectors. sFlow provides visibility into network traffic down to flow level.

    DHCP (options 12, 66, 67, 82, 129, and 150)
    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.

    Autoconfiguration with Secure Copy (SCP) file download
    Enables secure 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.

    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.

    Secure Copy (SCP)
    Securely transfer files to and from the switch.

    Textview CLI
    Scriptable CLI. A full CLI as well as a menu CLI are supported.

    Cloud services
    Support for Cisco Active Advisor

    Localization of GUI and documentation into multiple languages

    Login banner
    Configurable multiple banners for web as well as CLI

    Time-based port operation
    Link up or down based on user-defined schedule (when the port is administratively up).

    Other management
    Traceroute; single IP management; HTTP/HTTPS; SSH; RADIUS; port mirroring; TFTP upgrade; DHCP client; Simple Network Time Protocol (SNTP); Xmodem upgrade; cable diagnostics; Ping; syslog; Telnet client; SSH client; automatic time settings from Management Station.
    Power Efficiency 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 10 Gigabit copper ports.

    Disable port LEDs
    LEDs can be manually turned off to save on energy.
    Jumbo Frames Frame sizes up to 9 K bytes
    The default MTU is 2 K
    MAC Table Size 16 K
    Discovery Bonjour
    The switch advertises itself using the Bonjour 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.
    Power Consumption Green Power (mode)
    EEE, Energy Detect, Short Reach

    System Power Consumption
    110 V = 20.0 W
    220 V = 20.8 W

    Heat Dissipation
    70.97 BTU/hr
    Ports 24 x Fast Ethernet ports
    4 x 10 Gigabit Ethernet (2 x 10GBase-T/SFP+ combo + 2 x SFP+)
    Console Port Cisco Standard RJ45 console port
    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; fiber options (SMF and MMF); coaxial SFP+
    LED Indicators System, master, fan, RPS, stack ID, link/speed per port
    Flash Memory 256 MB
    CPU 800 MHz (dual-core) ARM
    CPU Memory 512 MB
    Packet Buffer 1.5 MB
    Power 100 - 240 V; 47/63 Hz, internal, universal
    Certifications UL (UL 60950), CSA (CSA 22.2), CE mark, FCC Part 15 (CFR 47) Class A
    Temperature & Humidity 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% non-condensing
    Storage Humidity
    10 to 90% non-condensing
    Acoustic Noise Fan (Number
    1+1 (redundant)
    Acoustic Noise
    32 to 86°F / 0 to 30°C: 35.2 dB
    122°F / 50°C: 38.3 dB
    MTBF 581,004 hrs
    Minimum System Requirements Web browser: Mozilla Firefox version 34 or later; Microsoft Internet Explorer version 9 or later, Chrome version 40 or later, Safari version 5 or later.

    Category 5 Ethernet network cable for 10/100 speeds at up to 100m; Category 5e Ethernet network cable for Gigabit speeds at up to 328'; Category 6a Ethernet network cable for 10 Gig speeds at up to 328'.

    TCP/IP, network adapter, and network operating system (such as Microsoft Windows, Linux, or Mac OS X) installed.
    Dimensions 17.3 x 1.7 x 10.12" / 440 x 44 x 257 mm
    Weight 6.81 lb / 3.09 kg

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