CISCO CISCO SF250-48HP Datasheet

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Data Sheet

Cisco 250 Series Smart Switches

Build a Reliable, Easy-to-Use Basic Business Network at an Affordable Price

In today's hyperconnected world, reliable access to network resources is critical to all businesses. However, you
also need to invest wisely to stay competitive, knowing how to separate the essential from the extraneous and get
the most value for your dollar. For investment in network infrastructure, building a solid foundation for your
business is essential, but it doesn’t mean you need the most advanced feature set on the market.

With Cisco® 250 Series Smart Switches (Figure 1), you can achieve business-class network performance and
security without paying for advanced network management features that you will not use. When you need a reliable
solution to share online resources and connect computers, phones, and wireless access points, but low cost is a
top priority, Cisco 250 Series Smart Switches provide the ideal solution.

Figure 1. Cisco 250 Series Smart Switches

The Cisco 250 Series is the next generation of affordable smart switches that combine powerful network
performance and reliability with the essential network management features you need for a solid business network.
These expandable Fast Ethernet or Gigabit Ethernet switches provide basic management, security, and quality-of­service (QoS) features beyond those of an unmanaged or consumer-grade switch, at a lower cost than managed
switches. And with an easy-to-use web user interface, Auto Smartports, and flexible Power over Ethernet (PoE)
Plus capability, you can deploy and configure a complete business network in minutes.

Business Applications

Whether you need basic high-speed connectivity for your computers and servers or a comprehensive voice, data,
and wireless technology solution, Cisco 250 Series switches can meet your business needs. Possible deployment
scenarios include:

●

High-speed desktop connectivity: Cisco 250 Series switches can quickly and securely connect
employees working in small offices with one another and with all of the printers, servers, and other devices
they use. High performance and reliable connectivity help speed up file transfers and data processing,
improve network uptime, and keep your employees productive.

© 2016 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information. Page 2 of 12

●

Flexible wireless connectivity: Cisco 250 Series switches work with Cisco and third-party wireless
solutions to extend the reach of your network. With security features, Power over Ethernet (PoE), VLAN,
and QoS, these switches are the perfect foundation to add business-grade wireless to a network.

The capability of up to 30W of power per port provided through the Ethernet cable means you can easily
deploy innovative 802.11ac wireless technology to maximize workforce productivity.

●

Unified communications: The Cisco 250 Series provides QoS features to enable you to prioritize delay­sensitive traffic in your network and let you converge all of your communications solutions such as IP
telephony and video surveillance onto a single Ethernet network. Cisco offers a complete portfolio of IP
telephony and other unified communications products designed for small businesses, and Cisco 250 Series
switches have been rigorously tested to help ensure easy integration and full compatibility with these and
other vendor products.

Features and Benefits

Cisco 250 Series Smart Switches provide all of the features you need to create a basic business-class network at
an affordable price. These features include:

●

Easy configuration and management: Cisco 250 Series switches are designed to be easy to deploy and
use by small businesses or the partners that serve them:

◦ Simple and advanced-mode graphic user interfaces reduce the time required to deploy, troubleshoot, and

manage the network. Configuration wizards simplify the most common configuration tasks and provide
the ultimate tool for anyone to set up and manage the network.

◦ The USB port on the front panel of the switch enables easy image and configuration transfer for faster

deployment or upgrade.

◦ Cisco Smartports technology provides more advanced capabilities and hands-on control by automatically

configuring ports with specific levels of security, QoS, and availability according to the type of connected
device, based on Cisco best practices and pretested configurations. The Auto Smartports feature
automatically applies the intelligence delivered through the Smartports roles to the port based on the
device types discovered over Cisco Discovery Protocol or LLDP-MED. This capability facilitates zero­touch deployments.

◦ Multiple Spanning Tree Protocol (MSTP) provides a simple configuration to take full advantage of

redundant paths in the network and maximize network throughput.

◦ The 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 device information, inventory, and new firmware
updates 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/findit.

●

Performance and reliability: Cisco 250 Series switches have been tested to deliver the high availability
and performance you would expect from a Cisco switch and help you prevent costly downtime. The
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 Cisco 250 Series switches, you can address all of your business communications and
connectivity needs and reduce the total cost of ownership of your technology infrastructure.

© 2016 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information. Page 3 of 12

●

Power over Ethernet Plus (PoE+): Cisco 250 Series switches are available with PoE+ on both Fast
Ethernet and Gigabit Ethernet models. This capability simplifies the deployment of IP telephony, wireless,
video surveillance, and other solutions by allowing you to send data and power to network endpoints over
the single network cable, eliminating the need for separate power supplies or outlets. PoE+ provides up to
30W of power per port, enabling deployments for 802.11ac wireless access points, pan-tilt-zoom (PTZ) IP
cameras, videophones, and thin client devices, delivering more flexibility and investment protection.

●

PoE powered device and PoE pass-through: The 10-port compact models of Cisco 250 Series can work
as PoE powered devices and draw power from upstream PoE switches in the wiring closet, simplifying the
deployment in meeting rooms, classrooms, hotel rooms, and other flexible locations. Each switch can
accept up to 60W of power per uplink port to power itself and pass through the power to the downstream
PoE end devices if needed.

●

Network security: Cisco 250 Series switches provide security and network management features you need
to maintain a high level of security for your business, keep unauthorized users off the network, and protect
your business data. The 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. Denial-of-service (DoS) attack
prevention increases network uptime in the presence of an attack.

●

IP telephony support: Cisco 250 Series switches include QoS features to prioritize delay-sensitive
services such as voice and video, simplify unified communications deployments, and help ensure consistent
network performance for all services.

●

Networkwide automatic voice deployment: Using a combination of Cisco Discovery Protocol, LLDP­MED, Auto Smartports, and Voice Services Discovery Protocol (VSDP, a unique, patented Cisco protocol),
customers can deploy an end-to-end voice network dynamically. The switches in the network automatically
converge into a single voice VLAN and set of 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.

●

IPv6 support: As the IP network addressing scheme evolves to accommodate more devices, you can have
peace of mind that your network is ready. Cisco 250 Series switches provide native support for IPv6
alongside traditional IPv4. With USGv6 and IPv6 Gold Logo certifications, 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: Cisco 250 Series switches are designed to be energy efficient and eco
friendly without compromising performance. They help conserve energy by optimizing power use, which
helps protect the environment and lowers your energy costs. Power-saving features include:

◦ 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

◦ Automatic power shutoff on ports when a link is down
◦ Embedded intelligence to adjust power based on cable length
◦ Fanless design in most models, which reduces power consumption, increases reliability, and provides

quieter operation

◦ Ability to turn off LEDs to conserve power

© 2016 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information. Page 4 of 12

Feature

Description

Performance

Switching capacity and
forwarding rate

All switches are wire-speed and
nonblocking

Model9

Capacity in Millions of Packets per
Second (mpps) (64-byte packets)

Switching Capacity in Gigabits
per Second (Gbps)

SF250-48

13.10

17.6

SF250-48HP

13.10

17.6

SG250-10P

14.88

20.0

SG250-26

38.69

52.0

SG250-26HP

38.69

52.0

SG250-26P

38.69

52.0

●

Expansion ports: The Cisco 250 Series provides more ports per switch than traditional switch models,
giving you more flexibility to connect and empower your business. Gigabit Ethernet models feature 26- and
50-port switches, versus traditional devices that offer 20 or 44 ports with 4 shared ports. Fast Ethernet
models are now available with 4 Gigabit ports for even more flexibility in deployment. The Cisco 250 Series
also offers small form-factor pluggable (SFP) expansion slots that give you the option to add fiber optic or
Gigabit Ethernet uplink connectivity to the switch. With the ability to increase the connectivity range of the
switches, you have more flexibility to design your network around your unique business environment and to
easily connect switches on different floors or across the business.

●

Peace of mind and investment protection: Cisco 250 Series switches offer 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 benefits of:

◦ Cisco limited lifetime warranty to protect your investment
◦ Rigorous testing to help ensure easy integration and compatibility with other Cisco networking and

communications products, including the complete Cisco Small Business portfolio

●

Limited lifetime warranty: The Cisco 250 Series switches come with the Cisco limited lifetime hardware
warranty, with return-to-factory replacement, software updates for bug fixes for the warranty term, and 1­year limited warranty for fans and power supplies. In addition, Cisco offers telephone technical support at no
charge for the first 12 months following the date of purchase. To download software updates, go to

http://www.cisco.com/cisco/web/download/index.html.

●

World-class support: To extend the support coverage beyond the warranty provisions, choose Cisco
Smart Net Total Care™, which helps you get the most value from Cisco Small Business solutions, providing
peace of mind at an affordable price. Cisco Smart Net Total Care provides a single service platform for all
Cisco networking products. With global coverage, flexible contract terms, and multiple advance hardware
replacement options, this comprehensive service includes software upgrades, access to the Cisco Small
Business Support Center, and extended telephone and online chat support. To learn more, visit

http://www.cisco.com/go/smbservices.

To find out where Cisco Small Business Support Service is available by country, go to

https://supportforums.cisco.com/community/netpro/small-business/sbcountrysupport.

●

Multiple language options: The Cisco 250 Series switches are available in multiple languages. Product
documentation and user interfaces are translated, giving you the ability to select your preferred language.

Product Specifications

Table 1 describes product specifications.

Table 1. Product Specifications

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Feature

Description

Layer 2 Switching

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 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

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

© 2016 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information. Page 6 of 12

Feature

Description

IPv6

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
(MLD v1/2) snooping

Deliver IPv6 multicast packets only to the required receivers

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
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)

Standard MIBs

lldp-MIB
lldpextdot1-MIB
lldpextdot3-MIB
lldpextmed-MIB
rfc2674-MIB
rfc2575-MIB
rfc2573-MIB
rfc2233-MIB
rfc2013-MIB
rfc2012-MIB
rfc2011-MIB
RFC-1212
RFC-1215
SNMPv2-CONF
SNMPv2-TC
p-bridge-MIB
q-bridge-MIB
rfc1389-MIB
rfc1493-MIB
rfc1611-MIB
rfc1612-MIB
rfc1850-MIB

rfc2665-MIB
rfc2668-MIB
rfc2737-MIB
rfc2925-MIB
rfc3621-MIB
rfc4668-MIB
rfc4670-MIB
trunk-MIB
tunnel-MIB
udp-MIB
draft-ietf-bridge-8021x-MIB
draft-ietf-bridge-rstpmib-04-MIB
draft-ietf-hubmib-etherif-mib-v3-00-MIB
draft-ietf-syslog-device-MIB
ianaaddrfamnumbers-MIB
ianaifty-MIB
ianaprot-MIB
inet-address-MIB
ip-forward-MIB
ip-MIB
RFC1155-SMI
RFC1213-MIB

© 2016 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information. Page 7 of 12

Feature

Description

rfc1907-MIB
rfc2571-MIB
rfc2572-MIB
rfc2574-MIB
rfc2576-MIB
rfc2613-MIB

SNMPv2-MIB
SNMPv2-SMI
SNMPv2-TM
RMON-MIB
rfc1724-MIB
dcb-raj-DCBX-MIB-1108-MIB
rfc1213-MIB
rfc1757-MIB

Private MIBs

CISCOSB-lldp-MIB
CISCOSB-brgmulticast-MIB
CISCOSB-bridgemibobjects-MIB
CISCOSB-bonjour-MIB
CISCOSB-dhcpcl-MIB
CISCOSB-MIB
CISCOSB-wrandomtaildrop-MIB
CISCOSB-traceroute-MIB
CISCOSB-telnet-MIB
CISCOSB-stormctrl-MIB
CISCOSBssh-MIB
CISCOSB-socket-MIB
CISCOSB-sntp-MIB
CISCOSB-smon-MIB
CISCOSB-phy-MIB
CISCOSB-multisessionterminal-MIB
CISCOSB-mri-MIB
CISCOSB-jumboframes-MIB
CISCOSB-gvrp-MIB
CISCOSB-endofmib-MIB
CISCOSB-dot1x-MIB
CISCOSB-deviceparams-MIB
CISCOSB-cli-MIB
CISCOSB-cdb-MIB
CISCOSB-brgmacswitch-MIB
CISCOSB-3sw2swtables-MIB
CISCOSB-smartPorts-MIB
CISCOSB-tbi-MIB
CISCOSB-macbaseprio-MIB
CISCOSB-env_mib-MIB
CISCOSB-policy-MIB
CISCOSB-sensor-MIB
CISCOSB-aaa-MIB
CISCOSB-application-MIB
CISCOSB-bridgesecurity-MIB
CISCOSB-copy-MIB
CISCOSB-CpuCounters-MIB
CISCOSB-Custom1BonjourService-MIB
CISCOSB-dhcp-MIB
CISCOSB-dlf-MIB
CISCOSB-dnscl-MIB
CISCOSB-embweb-MIB
CISCOSB-fft-MIB
CISCOSB-file-MIB CISCOSB-greeneth-MIB
CISCOSB-greeneth-MIB
CISCOSB-interfaces-MIB
CISCOSB-interfaces_recovery-MIB

CISCOSB-ip-MIB
CISCOSB-iprouter-MIB
CISCOSB-ipv6-MIB
CISCOSB-mnginf-MIB
CISCOSB-lcli-MIB
CISCOSB-localization-MIB
CISCOSB-mcmngr-MIB
CISCOSB-mng-MIB
CISCOSB-physdescription-MIB
CISCOSB-PoE-MIB
CISCOSB-protectedport-MIB
CISCOSB-rmon-MIB
CISCOSB-rs232-MIB
CISCOSB-SecuritySuite-MIB
CISCOSB-snmp-MIB
CISCOSB-specialbpdu-MIB
CISCOSB-banner-MIB
CISCOSB-syslog-MIB
CISCOSB-TcpSession-MIB
CISCOSB-traps-MIB
CISCOSB-trunk-MIB
CISCOSB-tuning-MIB
CISCOSB-tunnel-MIB
CISCOSB-udp-MIB
CISCOSB-vlan-MIB
CISCOSB-ipstdacl-MIB
CISCOSB-eee-MIB
CISCOSB-ssl-MIB
CISCOSB-digitalkeymanage-MIB
CISCOSB-qosclimib-MIB
CISCOSB-digitalkeymanage-MIB
CISCOSB-tbp-MIB
CISCOSMB-MIB
CISCOSB-secsd-MIB
CISCOSB-draft-ietf-entmib-sensor-MIB
CISCOSB-draft-ietf-syslog-device-MIB
CISCOSB-rfc2925-MIB
CISCO-SMI-MIB
CISCOSB-DebugCapabilities-MIB
CISCOSB-CDP-MIB
CISCOSB-vlanVoice-MIB
CISCOSB-EVENTS-MIB
CISCOSB-sysmng-MIB
CISCOSB-sct-MIB
CISCO-TC-MIB
CISCO-VTP-MIB
CISCO-CDP-MIB

© 2016 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information. Page 8 of 12

Feature

Description

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 12, 66,
67, 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

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

802.3at PoE+ and 802.3af PoE
delivered over any of the RJ-45
ports within the listed power
budgets

The following switches support 802.3at PoE+, 802.3af, and Cisco prestandard (legacy) PoE. Maximum
power of 30.0W to any 10/100 or Gigabit Ethernet port, until the PoE budget for the switch is reached. The
total power available for PoE per switch is as follows:

Model

Power Dedicated to PoE

Number of Ports That Support PoE

SF250-48HP

195W

48

SG250-10P

62W 8 SG250-26HP

100W

24

SG250-26P

195W

24

© 2016 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information. Page 9 of 12

Feature

Description

PoE powered device (PD) and PoE
pass-through

Besides AC power, compact switch models can work as PoE powered device (PD) and be powered by
PoE switches connected to the uplink ports. The switch can also pass through the power to downstream
PoE end devices if required.

Maximum of 60W can be drawn per uplink port if the peer PoE switch supports 60W PoE. When multiple
uplink ports are connected to PoE switches, the power drawn from these ports is combined.

When AC power is connected and functioning correctly, it is preferred over PoE power. The PoE power
can function as a backup to the AC power source or be used as the sole power source for the switch.

Model

Power Option

Available PoE Power (W)

Can Switch Be Powered with
Uplinks?

SG250-10P

1 PoE uplink

0W

Yes

2 PoE uplink

0W

Yes

1 PoE+ uplink

0W

Yes

2 PoE+ uplink

22W

Yes

1 60W PoE uplink

22W

Yes

2 60W PoE uplink

50W

Yes

AC Power

62W

Yes

Power consumption (worst case)

Model

Green Power (mode)

System Power
Consumption

Power
Consumption
(with PoE)

Heat
Dissipation
(BTU/hr)

SF250-48

EEE, Energy Detect

110V=23.4W
220V=24.2W

N/A

82.57

SF250-48HP

EEE, Energy Detect

110V=43.1W
220V=44.3W

110V=265.2W
220V=255.8W

904.90

SG250-10P

EEE, Energy Detect,
Short Reach

110V=13.25W
220V=13.42W

110V=265.2W
220V=255.8W

290.68

SG250-26

EEE, Energy Detect,
Short Reach

110V=18.1W
220V=18.9W

N/A

64.49

SG250-26HP

EEE, Energy Detect,
Short Reach

110V=23.5W
220V=24.4W

110V=135.2W
220V=133.9W

461.32

SG250-26P

EEE, Energy Detect,
Short Reach

110V=34.2W
220V=37.2W

110V=262W
220V=254.5W

893.98

Ports

Model Name

Total System Ports

RJ-45 Ports

Combo Ports (RJ-45 + SFP)

SF250-48

48 Fast Ethernet + 2
Gigabit Ethernet

48 Fast Ethernet

2 Gigabit Ethernet combo

SF250-48HP

48 Fast Ethernet + 2
Gigabit Ethernet

48 Fast Ethernet

2 Gigabit Ethernet combo
SG250-10P

10 Gigabit Ethernet

8 Gigabit Ethernet

2 Gigabit Ethernet combo

SG250-26

26 Gigabit Ethernet

24 Gigabit Ethernet

2 Gigabit Ethernet combo

SG250-26HP

26 Gigabit Ethernet

24 Gigabit Ethernet

2 Gigabit Ethernet combo

SG250-26P

26 Gigabit Ethernet

24 Gigabit Ethernet

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

© 2016 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information. Page 10 of 12

Feature

Description

Packet buffer

All numbers are aggregate across all ports because the buffers are dynamically shared:

Model Name

Packet Buffer

SF250-48

24 Mb

SF250-48HP

24 Mb

SG250-10P

12 Mb

SG250-26

12 Mb

SG250-26HP

12 Mb

SG250-26P

12 Mb

Supported SFP/SFP+ modules

SKU

Media

Speed

Maximum Distance

MFEFX1

Multimode fiber

100 Mbps

2 km

MFELX1

Single-mode fiber

100 Mbps

15 km

MFEBX1

Single-mode fiber

100 Mbps

20 km

MGBBX1

Single-mode fiber

1000 Mbps

10 km

MGBSX1

Multimode fiber

1000 Mbps

500 m

MGBLH1

Single-mode fiber

1000 Mbps

40 km

MGBLX1

Single-mode fiber

1000 Mbps

10 km

MGBT1

UTP cat 5e

1000 Mbps

100 m

Environmental

Unit dimensions (W x H x D)

Model Name

Unit Dimensions

SF250-48

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

SF250-48HP

440 x 44 x 350 mm (17.3 x 1.45 x 13.78 in)

SG250-10P

280 x 44 x 170 mm (11.0 x 1.45 x 6.69 in)

SG250-26

440 x 44 x 202 mm (17.3 x 1.45 x 7.95 in)

SG250-26HP

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

SG250-26P

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

Unit weight

Model Name

Unit Weight

SF250-48

3.57 kg (7.87 lb)

SF250-48HP

4.93 kg (10.87 lb)

SG250-10P

1.2 kg (2.65 lb)

SG250-26

2.72 kg (6.0 lb)

SG250-26HP

3.37 kg (7.43 lb)

SG250-26P

3.81 kg (8.40 lb)

Power

100–240V 50–60 Hz, internal, universal – SF250-48, SF250-48HP, SG250-26, SG250-26HP, SG250-26P
100–240V 50–60 Hz, external – SG250-10P

Certification

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

Operating temperature

SF250-48, SF250-48HP, SG250-10P, SG250-26, SG250-26HP, SG250-26P
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

© 2016 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information. Page 11 of 12

Feature

Description

Acoustic noise and mean time
between failures (MTBF)

Model Name

Fan (Number)

Acoustic Noise

MTBF at 50°C (Hours)

SF250-48

No fan

N/A

256,281.25

SF250-48HP

2

0°C to 30°C: 38.0dB
50°C: 52.7dB

286,555.77
SG250-10P

No fan

N/A

205,647.00

SG250-26

No fan

N/A

343,592.66

SG250-26HP

1

0°C to 30°C: 37.5dB
50°C: 49.7dB

333,792.21

SG250-26P

2

0°C to 30°C: 36.0dB
50°C: 53.7dB

430,341.06

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

Model Name

Product Order ID Number

Description

Fast Ethernet

SF250-48

SF250-48-K9

●

48 10/100 ports

●

2 Gigabit copper/SFP combo + 2 SFP ports

SF250-48HP

SF250-48HP-K9

●

48 10/100 PoE+ ports with 195W power budget

●

2 Gigabit copper/SFP combo + 2 SFP ports

Gigabit Ethernet

SG250-10P

SG250-10P-K9

●

8 10/100/1000 PoE+ ports with 62W power budget

●

2 Gigabit copper/SFP combo ports with 60W PoE powered device support

SG250-26

SG250-26-K9

●

24 10/100/1000 ports

●

2 Gigabit copper/SFP combo ports

SG250-26HP

SG250-26HP-K9

●

24 10/100/1000 PoE+ ports with 100W power budget

●

2 Gigabit copper/SFP combo ports

SG250-26P

SG250-26P-K9

●

24 10/100/1000 PoE+ ports with 195W power budget

●

2 Gigabit copper/SFP combo ports

Ordering Information

Table 2 provides ordering information.

Table 2. Ordering Information

*

Each combo port has one 10/100/1000 copper Ethernet port and one SFP Gigabit Ethernet slot, with one port active at a time.

© 2016 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information. Page 12 of 12

Printed in USA C78-737061-00 05/16

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