Q
What is the HPE FlexNetwork 5120 SI Switch series?
A
The HPE FlexNetwork 5120 SI Switch series is a family of high-performance, stackable access switches offering Gigabit and 10 Gigabit Ethernet connectivity with advanced Layer 3 features for enterprise and SMB networks.
Q
Which port configurations are available on the 5120 SI Switch?
A
The 5120 SI Switch is available in 24- or 48-port Gigabit Ethernet models, with optional 4 or 2 SFP+ 10 GbE uplink ports for flexible network expansion.
Q
What is the switching capacity and forwarding rate of the 5120 SI series?
A
The 24-port model delivers up to 176 Gbps switching capacity and 131 Mpps forwarding rate, while the 48-port model offers 176 Gbps and 131 Mpps for high-throughput environments.
Q
Does the HPE 5120 SI support stacking, and what is the stack limit?
A
Yes, the 5120 SI supports HPE IRF stacking technology with up to 9 units per stack, enabling up to 576 Gbps of virtual backplane bandwidth and unified management.
Q
What Layer 3 routing protocols are supported by the 5120 SI Switch?
A
The 5120 SI provides static routing, RIP, OSPF, VRRP, and Policy-Based Routing, delivering resilient and dynamic Layer 3 capabilities for complex networks.
Q
Can the 5120 SI series deliver Power over Ethernet (PoE)?
A
Yes, the 5120 SI PoE+ models supply up to 30 W per port and deliver a total budget of 370 W or 740 W, ideal for IP phones, wireless APs, and surveillance cameras.
Q
What management options are available for the HPE FlexNetwork 5120 SI?
A
Management can be performed via CLI, web GUI, SNMP v1/2c/3, RMON, and RESTful APIs, ensuring flexible, scalable, and automated network operations.
Q
Which quality of service (QoS) features does the 5120 SI offer?
A
The 5120 SI supports 8 priority queues per port, DiffServ, 802.1p priority tagging, traffic shaping, and policing for end-to-end performance assurance.
Q
What security features are built into the 5120 SI Switch series?
A
Built-in security includes 802.1X authentication, Access Control Lists (ACLs), DHCP snooping, IP Source Guard, and dynamic ARP inspection for network protection.
Q
How does the 5120 SI integrate with HPE’s FlexNetwork architecture?
A
The 5120 SI seamlessly integrates with HPE’s FlexNetwork fabric, enabling unified policy enforcement, centralized management via HPE IMC, and end-to-end visibility.
Q
What are the typical deployment scenarios for the 5120 SI Switch?
A
Ideal deployments include campus access, branch office aggregation, SMB core and edge, PoE for wireless LAN and IP telephony, and small data center top-of-rack.
Q
What is the environmental and power specification for the 5120 SI?
A
Operating range is 0–45 °C, power consumption starts at 20 W (non-PoE model), with acoustic levels under 45 dBA, and ENERGY STAR qualified on select models.
Q
How do I upgrade the firmware on an HPE FlexNetwork 5120 SI Switch?
A
Firmware upgrades can be performed via the switch’s web GUI, CLI (using TFTP/FTP/SCP), or through HPE Intelligent Management Center (IMC) for automated batch updates.
Q
What warranty and support options are available for the 5120 SI series?
A
The 5120 SI includes a lifetime warranty with next-business-day hardware replacement and optional HPE Foundation Care support for 24×7 coverage and mission-critical response.
Q
Is the HPE FlexNetwork 5120 SI compatible with third-party SFP and SFP+ modules?
A
Yes, the 5120 SI is interoperable with both HPE and industry-standard SFP/SFP+ transceivers, ensuring flexible connectivity with fiber and copper media.
Q
How do I monitor performance and troubleshoot issues on the 5120 SI?
A
Use built-in RMON, sFlow, syslog, and SNMP traps for real-time performance monitoring, plus diagnostic commands such as ping, traceroute, and port mirroring for rapid troubleshooting.