Quickly expand your business’s network capacity to support powered devices such as IP security cameras, wireless access points, VoIP phones, and more with the CBS350-24P-4G 24-Port Gigabit PoE+ Compliant Managed Switch with SFP. This managed rackmount switch features 24 PoE+ compliant Gigabit Ethernet ports with a 195W budget to operate compatible devices. There are also four Gigabit SFP ports available for high-speed fiber connections. Its extensive Layer 2 and Layer 3 features include secure connections, clear communications, and link aggregation to create up to eight groups of 16 ports for multi-Gig connections to compatible devices. Its 56 Gb/s switching capacity and 41.66 Mpps forwarding rate help to ensure smooth and reliable data transfers. Use the Cisco Business Dashboard portal and mobile app to configure and monitor the Cisco CBS350-24P-4G and its connected devices. The fanless design helps to reduce power consumption while allowing the switch to operate silently in the background.
- Support for features such as IEEE 802.1x and port security limit access to specific segments of your network while web-based authentication provides a consistent interface to all types of host devices and operating systems.
- Advanced defense mechanisms, such as dynamic Address Resolution Protocol (ARP) inspection, IP Source Guard, and Dynamic Host Configuration Protocol (DHCP) snooping, help to detect and block network attacks. When combined, these protocols may be referred to as IP-MAC port binding (IPMB).
- The IPv6 First Hop Security suite includes ND inspection, RA guard, DHCPv6 guard, and neighbor binding integrity check to protect your IPv6 network against a range of address spoofing and man-in-the-middle attacks.
Support for the Energy Efficient Ethernet (IEEE 802.3az) standard helps to significantly reduce energy consumption by monitoring the amount of traffic an active link receives and putting it to sleep during down times.
CBS350-24P-4G Specification
CBS350-24P-4G Specification |
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Feature |
Description |
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Capacity in Millions of Packets per Second (mpps) (64-byte packets) |
41.66 |
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Switching Capacity in Gigabits per Second (Gbps) |
56.0 |
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Total System Ports |
28 x Gigabit Ethernet |
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RJ-45 Ports |
24 x Gigabit Ethernet |
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Combo Ports (RJ45 + Small form-factor pluggable [SFP]) |
4 x SFP |
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Packet Buffer |
1.5 MB |
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Unit dimensions (W x D x H) |
445 x 299 x 44 mm (17.5 x 11.77 x 1.73 in) |
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Layer 3 |
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IPv4 routing |
Wirespeed routing of IPv4 packets Up to 990 static routes and up to 128 IP interfaces |
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IPv6 routing |
Wirespeed routing of IPv6 packets |
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Layer 3 Interface |
Configuration of Layer 3 interface on physical port, Link Aggregation (LAG), VLAN interface, or loopback interface |
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Classless Interdomain Routing (CIDR) |
Support for classless interdomain routing |
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RIP v2 |
Support for Routing Information Protocol version 2 for dynamic routing |
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Policy-Based Routing (PBR) |
Flexible routing control to direct packets to different next hop based on IPv4 or IPv6 Access Control List (ACL) |
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DHCP Server |
Switch functions as an IPv4 DHCP server serving IP addresses for multiple DHCP pools/scopes Support for DHCP options |
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DHCP relay at Layer 3 |
Relay of DHCP traffic across IP domains |
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User Datagram Protocol (UDP) relay |
Relay of broadcast information across Layer 3 domains for application discovery or relaying of Bootstrap Protocol (BOOTP)/DHCP packets |
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Quality of Service |
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Priority levels |
8 hardware queues |
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Scheduling |
Strict priority and Weighted Round-Robin (WRR) |
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Rate limiting |
Ingress policer; egress shaping and rate control; per VLAN, per port, and flow based; 2R3C policing |
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Congestion avoidance |
A TCP congestion avoidance algorithm is required to minimize and prevent global TCP loss synchronization |
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iSCSI traffic optimization |
A mechanism for giving priority to iSCSI traffic over other types of traffic |
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Green (power efficiency) |
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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 up |
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Cable length detection |
Adjusts the signal strength based on the cable length. Reduces the power consumption for shorter cables. |
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EEE Compliant (802.3az) |
Supports IEEE 802.3az on all copper Gigabit Ethernet ports |
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Disable port LEDs |
LEDs can be manually turned off to save on energy |
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Time-based port operation |
Link up or down based on user-defined schedule (when the port is administratively up) |
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Time-based PoE |
PoE power can be on or off based on user-defined schedule to save energy |
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General |
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Jumbo frames |
Frame sizes up to 9K bytes. The default MTU is 2K bytes |
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MAC table |
16K addresses |
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Hardware |
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USB slot |
USB Type-A slot on the front panel of the switch for easy file and image management |
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Buttons |
Reset button |
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Cabling type |
Unshielded Twisted Pair (UTP) Category 5e or better for 1000BASE-T |
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LEDs |
System, Link/Act, PoE, Speed |
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Flash |
256 MB |
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CPU |
800 MHz ARM |
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DRAM |
512 MB |
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Environmental |
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Storage temperature |
-13° to 158°F (-25° to 70°C) |
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Operating humidity |
10% to 90%, relative, noncondensing |
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Storage humidity |
10% to 90%, relative, noncondensing |
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Warranty |
Limited lifetime with next business day advance replacement (where available) |
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Package Contents |
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● Cisco Business 350 Series Managed Switch ● Power Cord (Power adapter for select 8-port and 16-port SKUs) ● Mounting Kit ● Quick Start Guide |
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Minimum Requirements |
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● 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 |
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