Name: B5K125-24P2-G Extreme 24-Port GbE PoE+ 2x10GbE Stackable Switch
Brand: Extreme Networks
SKU: B5K125-24P2-G
Price: 921.08 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The Extreme B5K125-24P2-G is a stackable network switch that provides 24 Gigabit Ethernet ports with PoE+ functionality and 2 10 Gigabit Ethernet uplink ports. It is designed to support medium to large network deployments requiring both data connectivity and power delivery to devices.

General Information
Brand	Extreme Networks
Condition	Refurbished

Technical Information
Switch Type	Layer 3, Managed Switch, Stackable Switch, PoE Switch, Gigabit Switch
Form Factor	Rack-Mountable
Mount Type	1U Rack
Switch Ports	24
Number of Ports	24-Ports
Port Type	10/100/1000Base-T, 10G SFP+, USB Console, Serial Console (RJ-45)
Port Speed	1 Gbps,10 Gbps
UpLink Ports	2 x 10GbE SFP+
POE Support	PoE+
Switching Capacity	88 Gbps
Switch Forwarding Rate	171.875 Mpps
VLAN Support	Yes
Max VLANs Supported	4094
Stackable	Yes
Layer Support	Layer 3
Connector Type	RJ-45,SFP+

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Routing Protocols	Static, RIP, OSPF, OSPFv3, BGP, VRRP, HSRP, PIM-SM, IGMP
Remote Protocols	Yes
Management Interfaces	CLI,Web GUI,SSH,Telnet,SNMPv1/v2/v3,REST API
Security Features	802.1X,ACLs,RADIUS/TACACS+,Port Security,SSH
Management Type	Local and Remote (CLI/Web/SNMP)
Remote Management Protocol	SSH,HTTPS,HTTP,Telnet,SNMP

Physical Characteristics
Weight	3.00

Miscellaneous
Eco Friendly	Yes
Assembly Required	No
Compliance Standards	RoHS, CE, FCC, UL

Product Description
The Extreme B5K125-24P2-G is a network switch designed to deliver 24 Gigabit Ethernet ports equipped with Power over Ethernet Plus (PoE+) capabilities. This device facilitates network connectivity while providing power to compatible devices such as IP phones, wireless access points, and security cameras. Featuring 2 10 Gigabit Ethernet ports, the switch supports stacking, allowing multiple units to be combined and managed as a single entity. The stackable design enables scalable network expansion in enterprise or campus environments. This switch is typically deployed by network administrators in organizations requiring reliable wired connections with integrated power delivery, suitable for medium to large network infrastructures. Key Features 24 Gigabit Ethernet PoE+ ports supporting powered devices 2 10 Gigabit Ethernet uplink ports for stacking capabilities Stackable design to simplify network expansion and management Supports high-density Ethernet connectivity environments Designed by Extreme Networks for network infrastructure deployments In practical terms, the B5K125-24P2-G switch serves as a critical component for consolidating network access points while delivering power where needed. Its stacking feature helps streamline network topology, reducing complexity and easing management in growing enterprise environments.

Use Cases
The Extreme B5K125-24P2-G switch is commonly used in enterprise or campus networks where multiple powered devices need both network connectivity and PoE+ power. It is suitable for environments with growing network demands that benefit from switch stacking for simplified management. How It's Used: Connecting and powering IP phones, wireless access points, and security cameras in office environments Supporting network access in educational campuses requiring scalable switch stacking Providing centralized PoE+ services in mid-sized enterprise data closets Enabling network expansion through stackable switch architecture in corporate settings Facilitating high-density Gigabit Ethernet deployments in branch offices Overall, this switch plays an operational role by combining connectivity and power delivery in one device while allowing scaling through stacking, helping administrators efficiently manage network growth.

FAQ's
What does PoE+ mean on the B5K125-24P2-G switch? PoE+ indicates the switch ports can deliver up to 30 watts of power per port to connected devices, supporting devices like IP phones and wireless access points requiring higher power levels. What is the purpose of the 2x 10GbE ports? The 2 10 Gigabit Ethernet ports serve as uplink or stacking ports, allowing high-speed connections to other switches or the network core and enabling stacking multiple switches together. Can the B5K125-24P2-G be stacked with other switches? Yes, this model supports stackable switch design, allowing multiple units to be interconnected and managed as a single switch for network scalability. Who typically uses the Extreme B5K125-24P2-G switch? Network administrators in medium to large enterprise or campus environments typically deploy this switch to provide PoE+ connectivity and stacking capabilities. What kind of devices can be powered via PoE+ on this switch? The switch can power compatible devices such as IP telephones, wireless access points, security cameras, and other PoE-enabled network devices. Is the Extreme B5K125-24P2-G suitable for high-density deployments? Yes, it provides 24 Gigabit Ethernet ports with PoE+ and stacking support, making it appropriate for environments with high port density requirements.