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Cisco Business CBS350-24FP-4G
24-port PoE+ Gigabit Ethernet Managed Switch with 4 Gigabit SFP Ports (370W Power Budget)

Cisco Business CBS350-24FP-4G

Cisco Products
Cisco Business 350 Series Managed Switches
Cisco Business CBS350-24FP-4G 24-port PoE+ Gigabit Ethernet Managed Switch with 4 x Gigabit SFP (370W Power Budget)
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Critical Building Block for Any Small Office Network

From connectivity to cloud applications, networking plays a crucial role in every business journey. Reliability, security, and affordability continue to be top of mind while ongoing management and operations add additional complexity that take time and resources.

Cisco Business is a portfolio of affordable wireless access points, switches and routers designed and built for Small Business. Managed through Cisco Business Dashboard and mobile app, the portfolio provides a simple and reliable experience. Cisco Business Dashboard simplifies traditional challenges in deploying and managing business networks by automating the deployment, monitoring and lifecycle management of the network.

The Cisco Business 350 Series Switches, part of the Cisco Business line of network solutions, is a portfolio of affordable managed switches that provides a critical building block for any small office network. Intuitive dashboard simplifies network setup, and advanced features accelerate digital transformation, while pervasive security protects business critical transactions. The Cisco Business 350 Series Switches provide the ideal combination of affordability and capabilities for small office and helps you create a more efficient, better-connected workforce. When your business needs advanced networking features and security for the digital transformation yet value is still a top consideration, you’re ready for the Cisco Business 350 Series Switches.


Use the intuitive dashboard to automate the deployment, monitoring, and lifecycle management of your switches.


Pervasive security helps safeguards your network and the privacy of your customers.


Gigabit, multigigabit and 10G ports and wire-speed performance provide a solid foundation for the small business network.


Get true stacking of up to four switches, all functioning as a single device with unified management and control.

Cisco Business 350 Series Managed Switches

Business Applications

Whether you need a basic high-performance network to connect employee computers or a solution to deliver data, voice, and video services, the Cisco 350 Business Series Switches offer a solution to meet your needs. Possible deployment scenarios include:

  • Secure office connectivity: Cisco Business 350 Series Switches can simply and securely connect employees working in small offices with each other and with all of the servers, printers, and other networking devices they use. High performance and reliable connectivity help speed file transfers and data processing, improve network uptime, and keep your employees connected and productive.
  • Unified communications: As a managed network solution, the Cisco Business 350 Series Switches provide the performance and advanced traffic-handling intelligence you need to deliver all communications and data over a single network. Cisco offers a complete portfolio of IP telephony and other unified communications products designed for businesses. Cisco Business 350 Series Switches have been rigorously tested to help ensure easy integration and full compatibility with these and other products, providing a complete business solution.
  • Highly secure guest connectivity: Cisco Business 350 Series Switches let you extend highly secure network connectivity to guests in a variety of settings, such as a hotel, an office waiting room, or any other area open to nonemployee users. Using powerful but easy-to-configure security and traffic segmentation capabilities, you can isolate your vital business traffic from guest services and keep guests' network sessions private from each other.

Cisco Business Dashboard

Cisco Business Dashboard makes managing a business network easy by automating the deployment, monitoring, and lifecycle management of Cisco Business switches, routers, and wireless access points.

Cisco Business Dashboard and Cisco Business mobile app

Features and Benefits:

Cisco Business 350 Series Switches provide the advanced feature set that growing businesses require and that high-bandwidth applications and technologies demand. The switches provide the following benefits.

Ease of Management and Deployment

Cisco Business 350 Series Switches are designed to be easy to use and manage by commercial customers or the partners that serve them, including the following features:

  • Cisco Business Dashboard is designed to manage Cisco Business switches, routers, and wireless access points. Cisco Business Dashboard simplifies traditional challenges in deploying and managing business networks while automating the deployment, monitoring, and lifecycle management of the network. Cisco Business 350 Series switches support embedded probe for Cisco Business Dashboard, eliminating the need to set up a separate hardware or virtual machine on site.
  • The Cisco Network Plug and Play solution provides a simple, secure, unified, and integrated offering to ease new device rollouts or for provisioning updates to an existing network. The solution provides a unified approach to provision Cisco routers, switches, and wireless devices with a near-zero-touch deployment experience.
  • The intuitive 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.
  • The switches also support Text view, a full Command-Line Interface (CLI) option for partners that prefer it.
  • 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.

High Reliability and Resiliency

In a growing business where availability 24 hours a day, 7 days a week is critical, you need to ensure business continuity and that employees can always access the data and resources they need. The Cisco Business 350 Series Switches support 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.

Strong Security

Cisco Business 350 Series Switches provide the advanced security features you need to protect your business data and keep unauthorised users off the network:

  • Support for advanced network security applications such as IEEE 802.1X and 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.

Power over Ethernet (PoE)

Cisco Business 350 Series Switches are available with up to 48 Power over Ethernet (PoE) ports. This capability simplifies advanced technology deployments such as IP telephony, wireless, and IP surveillance by allowing you to connect and power network endpoints over a single Ethernet cable. With no need to install separate power supplies for IP phones or wireless access points, you can take advantage of advanced communications technologies more quickly and at a lower cost. Models support 802.3af PoE and 802.3at PoE+. 60W PoE is also supported on select switches to power high-performance wireless access points and Internet of Things (IoT) devices.

IPv6 Support

As the IP address scheme evolves to accommodate a growing number of network devices, the Cisco Business 350 Series Switches can support the transition to the next generation of networking. 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 Business 350 Series Switches have successfully completed rigorous IPv6 testing and have received the USGv6 and IPv6 Gold certification.

Advanced Layer 3 Traffic Management

The Cisco Business 350 Series Switches enable a more advanced set of traffic management capabilities to help growing businesses organize their networks more effectively and efficiently. For example, the switches provide dynamic 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.

True stacking

Cisco Business 350 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.

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.

Compact Design

The sleek and compact design for the Cisco Business 350 Series Switches provide additional deployment flexibility, including outside wiring closet installation such as retail stores, open plan offices, and classrooms without disturbing the environment.

Power Efficiency

The Cisco Business 350 Series Switches integrate a variety of power-saving features across all models, providing the industry’s most extensive energy-efficient switching portfolio. These switches are 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 Business 350 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
  • Automatic power shutoff on ports when a link is down
  • Embedded intelligence to adjust signal strength based on the length of the connecting cable
  • Fanless design in most models, which reduces power consumption, increases reliability, and provides quieter operation

Peace of Mind and Investment Protection

Cisco Business 350 Series Switches offer the reliable performance and peace of mind you expect from a Cisco switch. A solution that has been rigorously tested to help ensure optimal network uptime to ensure business continuity. Complementary one-year access to our Small Business Support Center for ongoing support. Limited lifetime warranty with Next-Business-Day (NBD) advance replacement (where available) keeps your business running smoothly.

Technical Specifications:

Cisco Business 350 Series Gigabit Ethernet Switches Specifications
Switching capacity and forwarding rate Model Capacity in millions of packets per second (64-byte packets) Switching capacity in gigabits per second
CBS350-8T-E-2G 14.88 mpps 20.0 Gbps
CBS350-8P-2G 14.88 mpps 20.0 Gbps
CBS350-8P-E-2G 14.88 mpps 20.0 Gbps
CBS350-8FP-2G 14.88 mpps 20.0 Gbps
CBS350-8FP-E-2G 14.88 mpps 20.0 Gbps
CBS350-8S-E-2G 14.88 mpps 20.0 Gbps
CBS350-16T-2G 26.78 mpps 36.0 Gbps
CBS350-16T-E-2G 26.78 mpps 36.0 Gbps
CBS350-16P-2G 26.78 mpps 36.0 Gbps
CBS350-16P-E-2G 26.78 mpps 36.0 Gbps
CBS350-16FP-2G 26.78 mpps 36.0 Gbps
CBS350-24T-4G 41.66 mpps 56.0 Gbps
CBS350-24P-4G 41.66 mpps 56.0 Gbps
CBS350-24FP-4G 41.66 mpps 56.0 Gbps
CBS350-24S-4G 41.66 mpps 56.0 Gbps
CBS350-48T-4G 77.38 mpps 104.0 Gbps
CBS350-48P-4G 77.38 mpps 104.0 Gbps
CBS350-48FP-4G 77.38 mpps 104.0 Gbps
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
Per-VLAN Spanning Tree Plus (PVST+) and Rapid PVST+ (RPVST+); 126 instances are supported
Port grouping/link aggregation Support for IEEE 802.3ad Link Aggregation Control Protocol (LACP)
  • Up to 8 groups
  • Up to 8 ports per group with 16 candidate ports for each (dynamic) 802.3ad Link Aggregation Group (LAG)
VLAN Support for up to 4,094 VLANs simultaneously
Port-based and 802.1Q tag-based VLANs; MAC-based VLAN; protocol-based VLAN; IP subnet-based VLAN
Management VLAN
Private VLAN with promiscuous, isolated, and community port
Private VLAN Edge (PVE), also known as protected ports, with multiple uplinks
Guest VLAN, unauthenticated VLAN
Dynamic VLAN assignment via 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 network wide 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)
VLAN Translation Support for VLAN One-to-One Mapping. In VLAN One-to-One Mapping, on an edge interface customer VLANs (C-VLANs) are mapped to service provider VLANs (S-VLANs) and the original C-VLAN tags are replaced by the specified S-VLAN
Q-in-Q VLANs transparently cross a service provider network while isolating traffic among customers
Selective Q-in-Q Selective Q-in-Q is an enhancement to the basic Q-in-Q feature and provides, per edge interface, multiple mappings of different C-VLANs to separate S-VLANs
Selective Q-in-Q also allows configuring of Ethertype (Tag Protocol Identifier [TPID]) of the S-VLAN tag
Layer 2 protocol tunneling over Q-in-Q is also supported
Generic VLAN Registration Protocol (GVRP) and Generic Attribute Registration Protocol (GARP) 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 cable/port faults to prevent forwarding loops and black holing of traffic in switched networks
Dynamic Host Configuration Protocol (DHCP) Relay at Layer 2 Relay of DHCP traffic to DHCP server in different VLAN; works with DHCP Option 82
IGMP (versions 1, 2, and 3) snooping IGMP limits bandwidth-intensive multicast traffic to only the requesters; supports 2K 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 prevention
Loopback detection Loopback detection provides protection against loops by transmitting loop protocol packets out of ports on which loop protection has been enabled. It operates independently of STP
Layer 3 routing
IPv4 routing Wire-speed routing of IPv4 packets
Up to 990 static routes and up to 128 IP interfaces
IPv6 routing Wire-speed routing of IPv6 packets
Layer 3 interface Configuration of Layer 3 interface on physical port, Link Aggregation (LAG), VLAN interface, or loopback interface
Classless Interdomain Routing (CIDR) Support for classless interdomain routing
RIP v2 Support for Routing Information Protocol version 2 for dynamic routing
Policy-Based Routing (PBR) Flexible routing control to direct packets to different next hop based on IPv4 or IPv6 Access Control List (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 Bootstrap Protocol (BOOTP)/DHCP packets
Hardware stacking Up to 4 units in a stack. Up to 192 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 Active/standby for resilient stack control
Hot swap of units in stack
Ring and chain stacking options, auto stacking port speed, flexible stacking port options
High-speed stack interconnects Cost-effective high-speed 10G fiber interfaces
Secure Sockets Layer (SSL) SSL support: Encrypts all HTTPS traffic, allowing highly secure access to the browser-based management GUI in the switch
Secure Shell (SSH) Protocol SSH is a secure replacement for Telnet traffic. Secure Copy Protocol (SCP) also uses SSH. SSH v1 and v2 are supported
IEEE 802.1X (authenticator role) 802.1X: Remote Authentication Dial-In User Service (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 Bridge Protocol Data Unit (BPDU) Guard A security mechanism to protect the network from invalid configurations. A port enabled for 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
STP loopback guard Provides additional protection against Layer 2 forwarding loops (STP loops)
DHCP snooping Filters out DHCP messages with unregistered IP addresses and/or from unexpected or untrusted interfaces. This prevents rogue devices from behaving as DHCP Servers.
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 addresses 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.
Trustworthy systems Trustworthy systems provide a highly secure foundation for Cisco products
Run-time defenses (Executable Space Protection [X-Space], Address Space Layout Randomization [ASLR], Built-In Object Size Checking [BOSC])
Private VLANMultiple user privilege levels in CLI Private VLAN provides security and isolation between switch ports, which helps ensure that users cannot snoop on other users’ traffic; supports multiple uplinks
Layer 2 isolation Private VLAN Edge (PVE) with community VLAN PVE (also known as protected ports) provides Layer 2 isolation between devices in the same VLAN, supports multiple uplinks
Port security Ability to lock source MAC addresses to ports and limits the number of learned MAC addresses
RADIUS/TACACS+ 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
ACLs Support for up to 1,024 rules
Drop or rate limit based on source and destination MAC, VLAN ID, IPv4 or IPv6 address, IPv6 flow label, protocol, port, Differentiated Services Code Point (DSCP)/IP precedence, Transmission Control Protocol/User Datagram Protocol (TCP/UDP) source and destination ports, 802.1p priority, Ethernet type, Internet Control Message Protocol (ICMP) packets, IGMP packets, TCP flag; ACL can be applied on both ingress and egress sides
Time-based ACLs supported
Quality of service
Priority levels 8 hardware queues
Scheduling Strict priority and Weighted Round-Robin (WRR)
Class of service Port based; 802.1p VLAN priority-based; IPv4/v6 IP precedence/Type of Service (ToS)/DSCP-based; Differentiated Services (DiffServ); classification and remarking ACLs, trusted QoS
Queue assignment based on DSCP and class of service (802.1p/CoS)
Rate limiting Ingress policer; egress shaping and rate control; per VLAN, per port, and flow based; 2R3C policing
Congestion avoidance A TCP congestion avoidance algorithm is required to minimize and prevent global TCP loss synchronization
iSCSI traffic optimization A mechanism for giving priority to iSCSI traffic over other types of traffic
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 host mode; IPv6 over Ethernet; Dual IPv6/IPv4 stack
IPv6 neighbor and router discovery (ND); IPv6 stateless address autoconfiguration; Path Maximum Transmission Unit (MTU) discovery
Duplicate Address Detection (DAD); ICMP version 6
DHCPv6 stateful client
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
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, Simple Network Time Protocol (SNTP), Trivial File Transfer Protocol (TFTP), SNMP, RADIUS, syslog, Domain Name System (DNS) client, Telnet Client, DHCP Client, DHCP Autoconfig, IPv6 DHCP Relay, Terminal Access Controller Access Control System Plus (TACACS+)
IPv6 RFCs supported RFC 4443 (which obsoletes RFC 2463): ICMPv6
RFC 4291 (which obsoletes RFC 3513): IPv6 address architecture
RFC 4291: IPv6 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: Management Information Base (MIB) IPv6: Textual Conventions and General Group
RFC 3595: Textual Conventions for IPv6 Flow Label
Cisco Business Dashboard Support for embedded probe for Cisco Business Dashboard running on the switch. Eliminates the need to set up a separate hardware or virtual machine for the Cisco Business Dashboard Probe on site.
Cisco Business mobile app Mobile app for Cisco Business Switch and Wireless products. Helps to set up a local network in minutes and provide easy management at your fingertips.
Cisco Network Plug and Play (PnP) agent The Cisco Network Plug and Play solution provides a simple, secure, unified, and integrated offering to ease new branch or campus device rollouts or for provisioning updates to an existing network. The solution provides a unified approach to provision Cisco routers, switches, and wireless devices with a near-zero-touch deployment experience.
Supports Cisco PnP Connect
Web user interface Built-in switch configuration utility for easy browser-based device configuration (HTTP/HTTPS). Supports configuration, wizards, system dashboard, system maintenance, and monitoring
Basic and advanced mode for maximum operational efficiency
SNMP SNMP versions 1, 2c, and 3 with support for traps, and SNMP v3 User-based Security Model (USM)
Standard MIBs lldp-MIB
Private MIBs CISCOSB-lldp-MIB
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 upgrade over SCP running over SSH
Dual images for resilient firmware upgrades
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
Secure Copy (SCP) Securely transfers files to and from the switch
Autoconfiguration with SCP file download 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.
Text view Command-Line Interface (CLI) Scriptable CLI. A full CLI as well as a menu-based CLI is supported. User privilege levels 1, 7, and 15 are supported for the CLI.
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; Telnet client (SSH secure support); 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
Time-based port operation Link up or down based on user-defined schedule (when the port is administratively up)
Time-based PoE PoE power can be on or off based on user-defined schedule to save energy
Jumbo frames Frame sizes up to 9K bytes. The default MTU is 2K bytes
MAC table 16K addresses
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
Power over Ethernet (PoE)
802.3af PoE, 802.3at PoE+ or 60W PoE delivered over the RJ-45 ports within the listed power budgets The following switches support 802.3at PoE+, 802.3af, and Cisco prestandard (legacy) PoE. 60W PoE is also supported on select RJ-45 network ports on select models. The total power available for PoE per switch is as follows:
Model Power dedicated to PoE Number of ports that support PoE
CBS350-8P-2G 67W 8
CBS350-8P-E-2G 60W 8
CBS350-8FP-2G 120W 8
CBS350-8FP-E-2G 120W 8
CBS350-16P-2G 120W 16
CBS350-16P-E-2G 120W 16
CBS350-16FP-2G 120W 16
CBS350-24P-4G 240W 24
CBS350-24FP-4G 195W 24
CBS350-48P-4G 370W 48
CBS350-48FP-4G 370W 48
Power consumption (worst case) Model System power consumption Power consumption (with PoE) Heat dissipation (BTU/hr)
CBS350-8T-E-2G 110V=12.55W
N/A 42.86
CBS350-8P-2G 110V=17.35W
CBS350-8P-E-2G 110V=13.84W
CBS350-8FP-2G 110V=17.29W
CBS350-8FP-E-2G 110V=17.07W
CBS350-8S-E-2G 110V=11.1W
N/A 40.6
CBS350-16T-2G 110V=18.63W
N/A 64.46
CBS350-16T-E-2G 110V=19.63W
N/A 65.92
CBS350-16P-2G 110V=24.51W
CBS350-16P-E-2G 110V=23.65W
CBS350-16FP-2G 110V=27.53W
CBS350-24T-4G 110V=25.91W
N/A 89.13
CBS350-24P-4G 110V=34.42W
CBS350-24FP-4G 110V=46.60W
CBS350-24S-4G 110V=32.0W
N/A 117.0
CBS350-48T-4G 110V=48.27W
N/A 165.96
CBS350-48P-4G 110V=60.77W
CBS350-48FP-4G 110V=73.79W
Ports Model name Total system ports RJ-45 ports Combo ports (RJ-45 + SFP)
CBS350-8T-E-2G 10 x Gigabit Ethernet 8 x Gigabit Ethernet 2 x Gigabit Ethernet combo
CBS350-8P-2G 10 x Gigabit Ethernet 8 x Gigabit Ethernet 2 x Gigabit Ethernet combo
CBS350-8P-E-2G 10 x Gigabit Ethernet 8 x Gigabit Ethernet 2 x Gigabit Ethernet combo
CBS350-8FP-2G 10 x Gigabit Ethernet 8 x Gigabit Ethernet 2 x Gigabit Ethernet combo
CBS350-8FP-E-2G 10 x Gigabit Ethernet 8 x Gigabit Ethernet 2 x Gigabit Ethernet combo
CBS350-8S-E-2G 10 x Gigabit Ethernet 8 x Gigabit SFP Slots 2 x Gigabit Ethernet combo
CBS350-16T-2G 18 x Gigabit Ethernet 16 x Gigabit Ethernet 2 x SFP
CBS350-16T-E-2G 18 x Gigabit Ethernet 16 x Gigabit Ethernet 2 x SFP
CBS350-16P-2G 18 x Gigabit Ethernet 16 x Gigabit Ethernet 2 x SFP
CBS350-16P-E-2G 18 x Gigabit Ethernet 16 x Gigabit Ethernet 2 x SFP
CBS350-16FP-2G 18 x Gigabit Ethernet 16 x Gigabit Ethernet 2 x SFP
CBS350-24T-4G 28 x Gigabit Ethernet 24 x Gigabit Ethernet 4 x SFP
CBS350-24P-4G 28 x Gigabit Ethernet 24 x Gigabit Ethernet 4 x SFP
CBS350-24FP-4G 28 x Gigabit Ethernet 24 x Gigabit Ethernet 4 x SFP
CBS350-24S-4G 28 x Gigabit Ethernet 24 x Gigabit SFP Slots 4 x SFP
CBS350-48T-4G 52 x Gigabit Ethernet 48 x Gigabit Ethernet 4 x SFP
CBS350-48P-4G 52 x Gigabit Ethernet 48 x Gigabit Ethernet 4 x SFP
CBS350-48FP-4G 52 x Gigabit Ethernet 48 x Gigabit Ethernet 4 x SFP
Console port Cisco standard mini USB Type-B/RJ45 console port: CBS350-8T-E-2G, CBS350-8P-2G, CBS350-8P-E-2G, CBS350-8FP-2G, CBS350-8FP-E-2G, CBS350-16T-2G, CBS350-16T-E-2G, CBS350-16P-2G, CBS350-16P-E-2G, CBS350-16FP-2G, CBS350-24T-4G, CBS350-24P-4G, CBS350-24FP-4G, CBS350-48T-4G, CBS350-48P-4G, CBS350-48FP-4G
Cisco standard RJ45 console port: CBS350-8S-E-2G, CBS350-24S-4G
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 5e or better for 1000BASE-T
LEDs System, Link/Act, PoE, Speed
Flash 256 MB
Packet buffer All numbers are aggregate across all ports because the buffers are dynamically shared:
Model name Packet buffer
CBS350-8T-E-2G 1.5 MB
CBS350-8P-2G 1.5 MB
CBS350-8P-E-2G 1.5 MB
CBS350-8FP-2G 1.5 MB
CBS350-8FP-E-2G 1.5 MB
CBS350-8S-E-2G 1.5 MB
CBS350-16T-2G 1.5 MB
CBS350-16T-E-2G 1.5 MB
CBS350-16P-2G 1.5 MB
CBS350-16P-E-2G 1.5 MB
CBS350-16FP-2G 1.5 MB
CBS350-24T-4G 1.5 MB
CBS350-24P-4G 1.5 MB
CBS350-24FP-4G 1.5 MB
CBS350-24S-4G 1.5 MB
CBS350-48T-4G 3 MB
CBS350-48P-4G 3 MB
CBS350-48FP-4G 3 MB
Supported SFP/SFP+ modules SKU Media Speed Maximum distance
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
GLC-SX-MMD Multimode fiber 1000 Mbps 550 m
GLC-LH-SMD Single-mode fiber 1000 Mbps 10 km
GLC-BX-U Single-mode fiber 1000 Mbps 10 km
GLC-BX-D Single-mode fiber 1000 Mbps 10 km
GLC-TE UTP cat 5e 1000 Mbps 100 m
SFP-H10GB-CU1M Copper coax 10 Gig 1 m
SFP-H10GB-CU3M Copper coax 10 Gig 3 m
SFP-H10GB-CU5M Copper coax 10 Gig 5 m
SFP-10G-SR Multimode fiber 10 Gig 26 m - 400 m
SFP-10G-LR Single-mode fiber 10 Gig 10 km
SFP-10G-SR-S Multimode fiber 10 Gig 26 m - 400 m
SFP-10G-LR-S Single-mode fiber 10 Gig 10 km
Unit dimensions
(W x D x H)
Model name Unit dimensions
CBS350-8T-E-2G 268 x 185 x 44 mm (10.56 x 7.28 x 1.73 in)
CBS350-8P-2G 268 x 272 x 44 mm (10.56 x 10.71 x 1.73 in)
CBS350-8P-E-2G 268 x 185 x 44 mm (10.56 x 7.28 x 1.73 in)
CBS350-8FP-2G 268 x 272 x 44 mm (10.56 x 10.71 x 1.73 in)
CBS350-8FP-E-2G 268 x 185 x 44 mm (10.56 x 7.28 x 1.73 in)
CBS350-8S-E-2G 280 x 170 x 44 mm (11.0 x 6.69 x 1.73 in)
CBS350-16T-2G 268 x 272 x 44 mm (10.56 x 10.69 x 1.73 in)
CBS350-16T-E-2G 268 x 210 x 44 mm (10.56 x 8.26 x 1.73 in)
CBS350-16P-2G 268 x 297 x 44 mm (10.56 x 11.69 x 1.73 in)
CBS350-16P-E-2G 268 x 210 x 44 mm (10.56 x 8.26x 1.73 in)
CBS350-16FP-2G 268 x 308 x 44 mm (10.56 x 12.14 x 1.73 in)
CBS350-24T-4G 445 x 240 x 44 mm (17.5 x 9.45 x 1.73 in)
CBS350-24P-4G 445 x 299 x 44 mm (17.5 x 11.77 x 1.73 in)
CBS350-24FP-4G 445 x 345 x 44 mm (17.5 x 13.59 x 1.73 in)
CBS350-24S-4G 440 x 203 x 44 mm (17.3 x 7.99 x 1.73 in)
CBS350-48T-4G 445 x 288 x 44 mm (17.5 x 11.33 x 1.73 in)
CBS350-48P-4G 445 x 350 x 44 mm (17.5 x 13.78 x 1.73 in)
CBS350-48FP-4G 445 x 350 x 44 mm (17.5 x 13.78 x 1.73 in)
Unit weight Model name Unit weight
CBS350-8T-E-2G 1.39 kg (3.06 lb)
CBS350-8P-2G 2.59 kg (5.71 lb)
CBS350-8P-E-2G 1.53 kg (3.37 lb)
CBS350-8FP-2G 2.59 kg (5.71 lb)
CBS350-8FP-E-2G 1.53 kg (3.37 lb)
CBS350-8S-E-2G 1.0 kg (2.20 lb)
CBS350-16T-2G 1.78 kg (3.92 lb)
CBS350-16T-E-2G 1.42 kg (3.13 lb)
CBS350-16P-2G 2.38 kg (5.25 lb)
CBS350-16P-E-2G 1.42 kg (3.13 lb)
CBS350-16FP-2G 2.49 kg (5.49 lb)
CBS350-24T-4G 2.63 kg (5.80 lb)
CBS350-24P-4G 3.53 kg (7.78 lb)
CBS350-24FP-4G 4.6 kg (10.14 lb)
CBS350-24S-4G 2.7 kg (5.95 lb)
CBS350-48T-4G 3.95 kg (8.71 lb)
CBS350-48P-4G 5.43 kg (11.97 lb)
CBS350-48FP-4G 5.82 kg (12.83 lb)
Power 100-240V 50-60 Hz, internal, universal: CBS350-8P-2G, CBS350-8FP-2G, CBS350-16T-2G, CBS350-16P-2G, CBS350-16FP-2G, CBS350-24T-4G, CBS350-24P-4G, CBS350-24FP-4G, CBS350-24S-4G, CBS350-48T-4G, CBS350-48P-4G, CBS350-48FP-4G
100-240V 50-60 Hz, external: CBS350-8T-E-2G, CBS350-8P-E-2G, CBS350-8FP-E-2G, CBS350-8S-E-2G, CBS350-16T-E-2G, CBS350-16P-E-2G
Certification UL (UL 60950), CSA (CSA 22.2), CE mark, FCC Part 15 (CFR 47) Class A
Operating temperature 23° to 122°F (-5° to 50°C)
CBS350-8T-E-2G, CBS350-8P-2G, CBS350-8P-E-2G, CBS350-8FP-2G, CBS350-8FP-E-2G, CBS350-16T-2G, CBS350-16T-E-2G, CBS350-16P-2G, CBS350-16P-E-2G, CBS350-16FP-2G, CBS350-24T-4G, CBS350-24P-4G, CBS350-24FP-4G, CBS350-48T-4G, CBS350-48P-4G, CBS350-48FP-4G
32° to 122°F (0° to 50°C)
CBS350-8S-E-2G, CBS350-24S-4G
Storage temperature -13° to 158°F (-25° 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) Model name Fan (number) Acoustic noise MTBF at 25°C (hours)
CBS350-8T-E-2G Fanless N/A 2,171,669
CBS350-8P-2G Fanless N/A 1,786,412
CBS350-8P-E-2G Fanless N/A 1,706,649
CBS350-8FP-2G Fanless N/A 1,786,412
CBS350-8FP-E-2G Fanless N/A 1,706,649
CBS350-8S-E-2G Fanless N/A 2,242,229
CBS350-16T-2G Fanless N/A 2,165,105
CBS350-16T-E-2G Fanless N/A 2,165,105
CBS350-16P-2G Fanless N/A 706,983
CBS350-16P-E-2G Fanless N/A 706,983
CBS350-16FP-2G Fanless N/A 706,983
CBS350-24T-4G Fanless N/A 2,026,793
CBS350-24P-4G Fanless N/A 698,220
CBS350-24FP-4G 1 25°C: 34.8 dBA 698,220
CBS350-24S-4G Fanless N/A 258,544
CBS350-48T-4G 1 25°C: 29.7 dBA 1,452,667
CBS350-48P-4G 1 25°C: 37.3 dBA 856,329
CBS350-48FP-4G 1 25°C: 48.7 dBA 856,301
Warranty Limited lifetime
Package contents
  • Cisco Business 350 Series Smart Switch
  • Power cord (Power adapter for select 8-port and 16-port SKUs)
  • Mounting kit
  • Quick Start Guide
Minimum requirements
  • Web browser: Chrome, Firefox, Edge, Safari
  • Category 5e Ethernet network cable
  • TCP/IP, network adapter, and network operating system (such as Microsoft Windows, Linux, or Mac OS X) installed


Download the Cisco Business 350 Series Managed Switches Datasheet (PDF).

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Cisco Business 350 Series Managed Switches
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