Description
High Availability Features
The HP JE071A high-speed connectivity module supports several high-availability features that help to ensure that the network remains up and running even in case of a failure. Some of the main high-availability features supported by the JE071A include:
- Link Aggregation Control Protocol (LACP): LACP allows for the creation of link aggregation groups (LAGs) to bundle multiple physical links together to form a single logical link. This increases the available bandwidth and provides redundancy in case one of the physical links fails.
- Link Aggregation Control Protocol (LACP) with Rapid Reconvering (RR) : LACP with RR is a feature that enables the switch to quickly detect and recover from a failure of a link in a LAG. This feature improves the recovery time of the link failure and reduces the traffic loss.
- Quality of Service (QoS): QoS allows for prioritizing different types of network traffic. This can help to ensure that critical traffic such as voice or video is given priority over less critical traffic, which can help to ensure that the network remains responsive even in case of high traffic loads.
- Virtual LAN (VLAN) tagging: VLAN tagging allows for the creation of multiple virtual networks on a single physical network. This can help to improve security and traffic management, which can help to ensure that the network remains stable even in case of a failure.
- Loop Protection: Loop protection is a feature that prevents network loops from occurring, which can cause network outages. The module has Loop protection feature that can be used to detect and disable links that are causing loops in the network.
- Dual image support: Dual image support allows for the use of two different firmware images, which can be used to provide redundancy in case of a firmware failure.
These features help to ensure that the network remains stable and responsive even in case of a failure, which can help to minimize downtime and ensure that the network can continue to operate at a high level of performance.
Energy Efficient Ethernet
The HP JE071A high-speed connectivity module supports Energy Efficient Ethernet (EEE), also known as IEEE 802.3az. EEE is a set of standards that aim to reduce the power consumption of Ethernet devices by putting certain devices in a low-power idle state when they are not transmitting or receiving data.
EEE works by detecting when a device is idle and then putting it into a low-power idle state. When the device is ready to transmit or receive data again, it wakes up and returns to its normal operating state. This can help to reduce the power consumption of the device and can result in significant energy savings.
The JE071A module supports EEE on all of its ports, which can help to reduce the power consumption of the device and can result in significant energy savings. This feature can be particularly useful in data centers, where a large number of devices are connected to the network and energy costs can be a significant factor.
In addition to EEE, the JE071A also supports other energy-saving features such as Link Aggregation Control Protocol (LACP) with Rapid Reconvering (RR) which allows the switch to quickly detect and recover from a failure of a link in a LAG, and reduces the traffic loss.
EEE is a useful feature that can help to reduce the power consumption of devices and can result in significant energy savings. The JE071A module supports EEE, which can help to reduce the power consumption of the device and can result in significant energy savings in data center environments.
Multicast Support
The HP JE071A high-speed connectivity module supports multicast traffic, which is a method of transmitting data to multiple recipients simultaneously. Multicast is used for applications such as video streaming, online gaming, and IPTV (Internet Protocol Television) where the same data needs to be sent to multiple recipients at the same time.
The JE071A module supports Internet Group Management Protocol (IGMP) snooping which is a feature used to optimize multicast traffic in a network. IGMP snooping allows the switch to listen in on the IGMP conversations between hosts and routers and keep track of which hosts belong to which multicast groups. This allows the switch to forward multicast traffic only to the ports where the multicast group members are connected, instead of flooding the traffic to all ports, which can result in increased network efficiency and reduced network congestion.
Additionally, the JE071A also supports PIM-SM (Protocol Independent Multicast-Sparse Mode) which is a multicast routing protocol that enables multicast traffic to be forwarded across a network in a more efficient manner. PIM-SM allows the switch to forward multicast traffic only to the ports where the multicast group members are connected, reducing the amount of unnecessary multicast traffic on the network.
Detail Description
- Manufacturer: HP
- MPN: JE071A
- Type : Networking
- Switch-Type : Switch 48 Ports
- SKU: JE071A
- Enclosure Type : Rack-Mountable – 1u
- Advanced Switching : Layer 3
Networking
- Ports Qty : 48 X Ethernet 10base-T, Ethernet 100base-Tx, Ethernet 1000base-T
- Data Transfer Rate : 1 Gbps
- Data Link Protocol : Ethernet, Fast Ethernet, Gigabit Ethernet
- Routing Protocol : Static Ipv4 Routing, Static Ipv6 Routing
- Remote Management Protocol : Snmp 1, Rmon 1, Rmon 2, Rmon 3, Rmon 9, Telnet, Snmp 3, Snmp 2c, Http, Https, Cli
- Connectivity Technology : Wired
- Communication Mode : Full-Duplex
- Switching Protocol : Ethernet
- Mac Address Table Size : 16k Entries
Power
- Power Over Ethernet (Poe) : Yes
- Power Device : Power Supply
- Voltage Required : Ac 120/230 V ( 50/60 Hz )
Dimension and Weight
- Height: 1.7inch
- Width: 17.3inch
- Depth: 16.5inch
- Weight: 17 Lbs
Expansions and Connectivity
- Expansion Slots Total (Free) : 4 ( 4 ) X Sfp (Mini-Gbic) 2 ( 2 ) X Expansion Slot
- Interfaces : 48 X Network – Ethernet 10base-T/100base-Tx/1000base-T – Rj-45 1 X Management – Console – Rj-45