HP A5120 EI Switch Series
Gigabit Ethernet switches that support static Layer 3 routing, diversified services, and IPv6 forwarding

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Overview:
The HP A5120 EI Switch Series are Gigabit Ethernet switches that support static Layer 3 routing, diversified services, and IPv6 forwarding and provide up to four 10-Gigabit Ethernet (10 GbE) extended interfaces. Unique Intelligent Resilient Framework (IRF) technology creates virtual fabric by virtualizing several switches into one logical device, which increases network resilience, performance, and availability while reducing operational complexity. These switches provide Gigabit Ethernet access and can be used at the edge of a network or to connect server clusters in data centers. High scalability provides investment protection with two expansion slots, each of which can support two-port 10 GbE expansion modules. High availability, simplified management, and comprehensive security control policies are among the key features that distinguish this series.
- High scalability for investment protection
- Support for multiple services
- Comprehensive security control policies
- Diversified Quality of Service (QoS) policies
- Excellent manageability
HP A5120 EI Switch Series Models:
Features and Benefits:
Quality of Service (QoS)
- Broadcast control — allows limitation of broadcast traffic rate to cut down on unwanted broadcast traffic on the network
- Advanced classifier-based QoS — classifies traffic using multiple match criteria based on Layer 2, 3, and 4 information; applies QoS policies such as setting priority level and rate limit to selected traffic on a port, VLAN, or whole switch
- Powerful QoS feature — supports the following congestion actions: strict priority (SP) queuing, weighted round robin (WRR), and SP+WRR
- Traffic policing — supports Committed Access Rate (CAR) and line rate
Management
- Friendly port names — allow assignment of descriptive names to ports
- Remote configuration and management — is available through a secure Web browser or a command-line interface (CLI)
- Manager and operator privilege levels — enable read-only (operator) and read-write (manager) access on CLI and Web browser management interfaces
- Command authorization — leverages HWTACACS to link a custom list of CLI commands to an individual network administrator's login; also provides an audit trail
- Secure Web GUI — provides a secure, easy-to-use graphical interface for configuring the module via HTTPS
- Multiple configuration files — can be stored to the flash image
- Complete session logging — provides detailed information for problem identification and resolution
- SNMPv1, v2c, and v3 — facilitate centralized discovery, monitoring, and secure management of networking devices
- Remote monitoring (RMON) — uses standard SNMP to monitor essential network functions; supports events, alarm, history, and statistics group plus a private alarm extension group
- IEEE 802.1AB Link Layer Discovery Protocol (LLDP) — automated device discovery protocol provides easy mapping by network management applications
- sFlow (RFC 3176) — provides scalable, ASIC-based wire-speed network monitoring and accounting with no impact on network performance; this allows network operators to gather a variety of sophisticated network statistics and information for capacity planning and real-time network monitoring purposes
- Management VLAN — segments traffic to and from management interfaces, including CLI/telnet, a Web browser interface, and SNMP
- Remote Intelligent Mirroring — mirrors ingress/egress ACL-selected traffic from a switch port or VLAN to a local or remote switch port anywhere on the network
- Device Link Detection Protocol (DLDP) — monitors cable between two switches and shuts down the ports on both ends if the cable is broken, preventing network problems such as loops
- IPv6 management — future-proofs networking, as the switch is capable of being managed whether the attached network is running IPv4 or IPv6; supports pingv6, tracertv6, Telnetv6, TFTPv6, DNSv6, syslogv6, FTPv6, SNMPv6, DHCPv6, and RADIUS for IPv6
- Troubleshooting — ingress and egress port monitoring enable network problem solving; virtual cable tests provide visibility into cable problems
Connectivity
- Auto-MDIX — automatically adjusts for straight-through or crossover cables on all 10/100/1000 ports
- Flow control — using standard IEEE 802.3x, it provides back pressure to reduce congestion in heavy traffic situations
- Jumbo packet support — supports up to 9216-byte frame size to improve performance of large data transfers
- High-density port connectivity — provides up to 48 fixed 10/100/1000BASE-T ports in a Layer 2/Layer 3 switch
- Optional 10 Gigabit Ethernet ports — allow the addition of 10 Gigabit Ethernet connections for uplinks or high-bandwidth server connections; flexibly supports XFP, SFP+, or CX4 local connections
- IEEE 802.3af Power over Ethernet (PoE) support — provides up to 15.4 W per port to IEEE 802.3af-compliant PoE-powered devices such as IP phones, wireless access points, and security cameras
- Ethernet OAM — provides a Layer 2 link performance and fault detection monitoring tool, which reduces failover and network convergence times
- High-bandwidth CX4 and SFP+ local stacking — when locally stacked using CX4 local stacking, achieves 12 Gbps per connection, allowing for up to 96 Gbps total stacking bandwidth (full duplex) in a resilient stacking configuration
Performance
- Nonblocking architecture — up to 192 Gbps nonblocking switching fabric provides wire-speed switching with up to 143 million pps throughput
- Hardware-based wire-speed access control lists (ACLs) — feature-rich ACL implementation (TCAM based) helps ensure high levels of security and ease of administration without impacting network performance
Resiliency and high availability
- Separate data and control paths — keeps control separated from services and keeps service processing isolated; increases security and performance
- External redundant power supply — provides high reliability
- Smart link — allows 50 ms failover between links
- Spanning Tree/MSTP, RSTP — provides redundant links while preventing network loops
- Rapid Ring Protection Protocol (RRPP) — connects multiple switches in a high-performance ring using standard Ethernet technology; traffic can be rerouted around the ring in less than 50 ms, reducing the impact on traffic and applications
- Virtual Router Redundancy Protocol (VRRP) — allows a group of routers to dynamically back each other up to create highly available routed environments,
- Intelligent Resilient Framework (IRF) — creates virtual resilient switching fabrics, where two or more switches perform as a single Layer 2 switch, Layer 3 router; switches do not have to be co-located and can be part of a disaster recovery system; servers or switches can be attached using standard LACP for automatic load-balancing and high availability; simplifies network operation by eliminating the complexity of Spanning Tree, Equal-Cost Multipath (ECMP), or VRRP
Layer 2 switching
- 16K MAC address table — provides access to many Layer 2 devices
- VLAN support and tagging — support IEEE 802.1Q, with 4094 simultaneous VLAN IDs
- GARP VLAN Registration Protocol (GVRP) — allows automatic learning and dynamic assignment of VLANs
- IEEE 802.1ad QinQ and Selective QinQ — increase the scalability of an Ethernet network by providing a hierarchical structure; connect multiple LANs on a high-speed campus or metro network
- 10 GbE port aggregation — allows grouping of ports to increase overall data throughput to a remote device
- IGMP and MLD snooping — effectively control and manage the flooding of multicast packets in a Layer 2 network
Layer 3 services
- Address Resolution Protocol (ARP) — determines the MAC address of another IP host in the same subnet; supports static ARPs; gratuitous ARP allows detection of duplicate IP addresses; proxy ARP allows normal ARP operation between subnets or when subnets are separated by a Layer 2 network
- Dynamic Host Configuration Protocol (DHCP) — simplifies the management of large IP networks; supports client; DHCP Relay enables DHCP operation across subnets
- Loopback interface address — defines an address that can always be reachable, improving diagnostic capability
- User Datagram Protocol (UDP) helper function — allows UDP broadcasts to be directed across router interfaces to specific IP unicast or subnet broadcast addresses and prevents server spoofing for UDP services such as DHCP
- Route maps — provide more control during route redistribution; allow filtering and altering of route metrics
- Static IP routing — provides manually configured routing for both IPv4 and IPv6 networks
- Access control lists (ACLs) — provide IP Layer 2 to Layer 4 traffic filtering; support global ACL, VLAN ACL, port ACL, and IPv6 ACL
- IEEE 802.1X — industry-standard method of user authentication using an IEEE 802.1X supplicant on the client in conjunction with a RADIUS server
- MAC-based authentication — authenticates the client with the RADIUS server based on the client's MAC address
- Identity-driven security and access control —
- Per-user ACLs — permit or deny user access to specific network resources based on user identity and time of day, allowing multiple types of users on the same network to access specific network services without risk to network security or unauthorized access to sensitive data
- Automatic VLAN assignment — automatically assigns users to the appropriate VLAN based on their identities
- Secure management access — securely encrypts all access methods (CLI, GUI, or MIB) through SSHv2, SSL, and/or SNMPv3
- Secure File Transfer Protocol (FTP) — allows secure file transfer to and from the switch; protects against unwanted file downloads or unauthorized copying of switch configuration file
- Guest VLAN — similar to IEEE 802.1X, it provides a browser-based environment to authenticated clients
- Endpoint Admission Defense (EAD) — provides security policies to users accessing a network
- Port security — allows access only to specified MAC addresses, which can be learned or specified by the administrator
- Port isolation — secures and adds privacy, and prevents malicious attackers from obtaining user information
- STP BPDU port protection — blocks Bridge Protocol Data Units (BPDUs) on ports that do not require BPDUs, preventing forged BPDU attacks
- STP Root Guard — protects root bridge from malicious attack or configuration mistakes
- DHCP protection — blocks DHCP packets from unauthorized DHCP servers, preventing denial-of-service attacks
- IP source guard — helps prevent IP spoofing attacks
- Dynamic ARP protection — blocks ARP broadcasts from unauthorized hosts, preventing eavesdropping or theft of network data
- RADIUS/HWTACACS — eases switch management security administration by using a password authentication server
Convergence
- IEEE 802.1AB Link Layer Discovery Protocol (LLDP) — is an automated device discovery protocol for easy mapping by network management applications
- LLDP-MED — is a standard extension that automatically configures network devices, including LLDP-capable IP phones
- LLDP-CDP compatibility — receives and recognizes CDP packets from Cisco's IP phones for seamless interoperation
- IEEE 802.3af Power over Ethernet — provides up to 15.4 W per port to PoE-powered devices such as IP phones, wireless access points, and video cameras
- PoE allocations — support multiple methods (automatic, IEEE 802.3af class, LLDP-MED, or user specified) to allocate PoE power for more efficient energy savings
- Voice VLAN — automatically assigns VLAN and priority for IP phones, simplifying network configuration and maintenance
- IP multicast snooping (data-driven IGMP) — automatically prevents flooding of IP multicast traffic
Device support
- Cisco prestandard PoE support — detects and provides power to Cisco's prestandard PoE devices such as wireless LAN access points and IP phones
Additional information
- Green IT and power — use the latest advances in silicon development, shut off unused ports, and use variable-speed fans to improve power efficiency
- Green initiative support — provides support for RoHS and WEEE regulations
Warranty and support
- 1-year warranty — with advance replacement and 10-calendar-day delivery (available in most countries)
- Electronic and telephone support — limited electronic and telephone support is available from HP; refer to www.hp.com/networking/warranty for details on the support provided and the period during which support is available
- Software releases — refer to www.hp.com/networking/warranty for details on the software releases provided and the period during which software releases are available for your product(s)
Specifications:
| A5120-24G EI (JE066A) | A5120-24G EI (JE068A) | A5120-24G-PoE EI (JE070A) | |
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| Physical characteristics | |||
| Dimensions | 11.81(d) x 17.32(w) x 17.17(h) in. |
11.81(d) x 17.32(w) x 17.17(h) in. (30 x 44 x 43.6 cm) (1U height) |
16.54(d) x 17.32(w) x 17.17(h) in. (42 x 44 x 43.6 cm) (1U height) |
| Weight | 9.92 lb. (4.5 kg) | 9.92 lb. (4.5 kg) | 15.43 lb. (7 kg) |
| Memory and processor | |||
| 128 MB SDRAM, 16 MB flash; packet buffer size: 2 MB | 128 MB SDRAM, 16 MB flash; packet buffer size: 2 MB | 128 MB SDRAM, 16 MB flash; packet buffer size: 2 MB | |
| Mounting | |||
| Mounts in an EIA standard 19-in. telco rack or equipment cabinet (hardware included) | Mounts in an EIA standard 19-in. telco rack or equipment cabinet (hardware included) | Mounts in an EIA standard 19-in. telco rack or equipment cabinet (hardware included) | |
| Performance | |||
| 1000 Mb Latency | < 3.2 µs | < 3.2 µs | < 3.2 µs |
| 10 Gbps Latency | < 2.6 µs | < 2.6 µs | - |
| Throughput | 107.2 million pps | 107.2 million pps | 35.7 million pps |
| Routing/Switching capacity | 144 Gbps | 144 Gbps | 48 Gbps |
| Routing table size | 32 entries | 32 entries | 32 entries |
| Environment | |||
| Operating temperature | 32°F to 113°F (0°C to 45°C) | 32°F to 113°F (0°C to 45°C) | 32°F to 113°F (0°C to 45°C) |
| Operating relative humidity | 10% to 90%, noncondensing | 10% to 90%, noncondensing | 10% to 90%, noncondensing |
| Non-Operating temperature | -40°F to 158°F (-40°C to 70°C) | -40°F to 158°F (-40°C to 70°C) | -40°F to 158°F (-40°C to 70°C) |
| Non-Operating relative humidity | 5% to 95%, noncondensing | 5% to 95%, noncondensing | 5% to 95%, noncondensing |
| Electrical characteristics | |||
| Maximum heat dissipation | 212 BTU/hr (223.66 kJ/hr) | 362 BTU/hr (381.91 kJ/hr) | 425 BTU/hr (448.38 kJ/hr) |
| Voltage | 100-240 VAC | 100-240 VAC | 100-240 VAC |
| DC voltage | - | - | -52 to -55 VDC |
| Idle power | 35 W | 36 W | 55 W |
| Maximum power rating | 62 W | 106 W | 495 W |
| PoE power | - | - | 370 W |
| Frequency | 50/60 Hz | 50/60 Hz | 50/60 Hz |
| Notes | Idle power is the actual power consumption of the device with no ports connected. Maximum power rating and maximum heat dissipation are the worst-case theoretical maximum numbers provided for planning the infrastructure with fully loaded PoE (if equipped), 100% traffic, all ports plugged in, and all modules populated. |
Idle power is the actual power consumption of the device with no ports connected. Maximum power rating and maximum heat dissipation are the worst-case theoretical maximum numbers provided for planning the infrastructure with fully loaded PoE (if equipped), 100% traffic, all ports plugged in, and all modules populated. |
Idle power is the actual power consumption of the device with no ports connected. Maximum power rating and maximum heat dissipation are the worst-case theoretical maximum numbers provided for planning the infrastructure with fully loaded PoE (if equipped), 100% traffic, all ports plugged in, and all modules populated. PoE Power is the power supplied by the internal power supply; it is dependent on the type and quantity of power supplies and may be supplemented with the use of an External Power Supply (EPS). |
| Safety | |||
| UL 60950-1EN 60825-1 Safety of Laser Products-Part 1EN 60825-2 Safety of Laser Products-Part 2IEC 60950-1CAN/CSA-C22.2 No. 60950-1AnatelULARGOSTEN 60950-1/A11FDA 21 CFR Subchapter JNOMROHS Compliance | |||
| A5120-48G EI (JE067A) | A5120-48G EI (JE069A) | A5120-48G-PoE EI (JE071A) | |
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| Physical characteristics | |||
| Dimensions | 11.81(d) x 17.32(w) x 1.72(h) in. |
11.81(d) x 17.32(w) x 1.72(h) in. (30 x 44 x 4.36 cm) (1U height) |
16.54(d) x 17.32(w) x 17.17(h) in. (42 x 44 x 43.6 cm) (1U height) |
| Weight | 11.02 lb. (5 kg) | 11.02 lb. (5 kg) | 16.53 lb. (7.5 kg) |
| Memory and processor | |||
| 128 MB SDRAM, 16 MB flash; packet buffer size: 4 MB | 128 MB SDRAM, 16 MB flash; packet buffer size: 4 MB | 128 MB SDRAM, 16 MB flash; packet buffer size: 4 MB | |
| Mounting | |||
| Mounts in an EIA standard 19-in. telco rack or equipment cabinet (hardware included) | Mounts in an EIA standard 19-in. telco rack or equipment cabinet (hardware included) | Mounts in an EIA standard 19-in. telco rack or equipment cabinet (hardware included) | |
| Performance | |||
| 1000 Mb Latency | < 3.2 µs | < 3.2 µs | < 3.2 µs |
| 10 Gbps Latency | < 2.6 µs | < 2.6 µs | - |
| Throughput | 142.9 million pps | 142.9 million pps | 71.4 million pps |
| Routing/Switching capacity | 192 Gbps | 192 Gbps | 96 Gbps |
| Routing table size | 32 entries | 32 entries | 32 entries |
| Environment | |||
| Operating temperature | 32°F to 113°F (0°C to 45°C) | 32°F to 113°F (0°C to 45°C) | 32°F to 113°F (0°C to 45°C) |
| Operating relative humidity | 10% to 90%, noncondensing | 10% to 90%, noncondensing | 10% to 90%, noncondensing |
| Non-Operating temperature | -40°F to 158°F (-40°C to 70°C) | -40°F to 158°F (-40°C to 70°C) | -40°F to 158°F (-40°C to 70°C) |
| Non-Operating relative humidity | 5% to 95%, noncondensing | 5% to 95%, noncondensing | 5% to 95%, noncondensing |
| Electrical characteristics | |||
| Maximum heat dissipation | 375 BTU/hr (395.63 kJ/hr) | 495 BTU/hr (522.23 kJ/hr) | 614 BTU/hr (647.77 kJ/hr) |
| Voltage | 100-240 VAC | 100-240 VAC | 100-240 VAC |
| DC voltage | - | - | -52 to -55 VDC |
| Idle power | 54 W | 55 W | 78 W |
| Maximum power rating | 110 W | 145 W | 920 W |
| PoE power | - | - | 740 W |
| Frequency | 50/60 Hz | 50/60 Hz | 50/60 Hz |
| Notes | Idle power is the actual power consumption of the device with no ports connected. Maximum power rating and maximum heat dissipation are the worst-case theoretical maximum numbers provided for planning the infrastructure with fully loaded PoE (if equipped), 100% traffic, all ports plugged in, and all modules populated. |
Idle power is the actual power consumption of the device with no ports connected. Maximum power rating and maximum heat dissipation are the worst-case theoretical maximum numbers provided for planning the infrastructure with fully loaded PoE (if equipped), 100% traffic, all ports plugged in, and all modules populated. |
Idle power is the actual power consumption of the device with no ports connected. Maximum power rating and maximum heat dissipation are the worst-case theoretical maximum numbers provided for planning the infrastructure with fully loaded PoE (if equipped), 100% traffic, all ports plugged in, and all modules populated. PoE Power is the power supplied by the internal power supply; it is dependent on the type and quantity of power supplies and may be supplemented with the use of an External Power Supply (EPS). With AC input, the Max power consumption is 550 W (370 W for PoE). |
| Safety | |||
| UL 60950-1EN 60825-1 Safety of Laser Products-Part 1EN 60825-2 Safety of Laser Products-Part 2IEC 60950-1CAN/CSA-C22.2 No. 60950-1AnatelULARGOSTEN 60950-1/A11FDA 21 CFR Subchapter JNOMROHS Compliance | |||
Additional Features:
(Applies to All Switches in Series)
| General Specifications | |
|---|---|
Emissions
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Management
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| Standards and Protocols | |
Device management
General protocols
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IPv6
Network management
Security
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Services and Support:
HP Care Packs for HP Networking (All Models in Series)
- 3-year, 4-hour onsite, 13x5 coverage for hardware (UV858E)
- 3-year, 4-hour onsite, 24x7 coverage for hardware (UV861E)
- 3-year, 4-hour onsite, 24x7 coverage for hardware, 24x7 SW phone support and SW updates (UV864E)
- 3-year, 24x7 SW phone support, software updates (UV867E)
- 4-year, 4-hour onsite, 13x5 coverage for hardware (UV859E)
- 4-year, 4-hour onsite, 24x7 coverage for hardware (UV862E)
- 4-year, 4-hour onsite, 24x7 coverage for hardware, 24x7 software phone (UV865E)
- 4-year, 24x7 SW phone support, software updates (UV868E)
- 5-year, 4-hour onsite, 13x5 coverage for hardware (UV860E)
- 5-year, 4-hour onsite, 24x7 coverage for hardware (UV863E)
- 5-year, 4-hour onsite, 24x7 coverage for hardware, 24x7 software phone (UV866E)
- 5-year, 24x7 SW phone support, software updates (UV869E)
- 3 Yr 6 hr Call-to-Repair Onsite (UW963E)
- 4 Yr 6 hr Call-to-Repair Onsite (UW964E)
- 5 Yr 6 hr Call-to-Repair Onsite (UW965E)
HP Networking Services
Services that add value to your business
The warranties on HP Networking products provide a robust foundation for ongoing network support, but many customers have advanced support needs. Today's enterprise businesses, regardless of their size, are under increasing pressure to reduce the cost and complexity of supporting their network infrastructures. Demand for new services from businesses and their end users is constantly increasing. HP offers an affordable, comprehensive portfolio of networking services for organizations of all sizes. HP has a unique services advantage you can benefit from, and HP is the only vendor in the IT industry that can provide integrated and consistent support for your entire technology infrastructure worldwide, including networking, servers and storage, and imaging and printing, as well as desktop and mobile computing, to help you grow your business with expert support that is affordable, personal, and scaled to your needs. HP Networking's implementation and design centers simplify your network planning, while HP Technology and Enterprise Services deliver choice and flexibility.
HP provides a full range of custom services to meet the end-to-end networking needs of our customers. HP Network Lifecycle Services form the core foundation of network consulting, assessments, planning, design, integration, deployment, and management. They are available as standalone services or can be crafted to deliver solutions across the services portfolio, spanning network performance, network security and risk management, global deployment, data center networking, wireless LAN/mobility, and Unified Communications and Collaboration.
Documentation:


