Lenovo RackSwitch G7028 Manual del producto - Página 6
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Benefits
The RackSwitch G7028 switch is considered particularly suited for these clients:
Clients who want to leverage GbE in their infrastructure (both servers and networking)
Clients who are implementing a virtualized environment and require multiple GbE ports
Clients who require investment protection for 10 GbE ports
Clients who want to reduce TCO and improve performance while maintaining high levels of availability and
security
Clients who want to avoid or minimize oversubscription, which can result in congestion and loss of
performance
Clients who want to implement a converged infrastructure with NAS or iSCSI
The switch offers the following key benefits:
Increases network performance
The RackSwitch G7028 provides up to 128 Gbps of switching throughput, supports four SFP+ 10 Gb
uplink ports for zero oversubscription, and has a port to port latency of 3.3 microseconds.
Lower power and exceptional cooling
The RackSwitch G7028 typically consumes just 45 W of power. Unlike side-cooled switches, which can
cause heat recirculation and reliability concerns, the RackSwitch G7028 switch's rear-to-front cooling
design reduces data center air conditioning costs by matching airflow to the server's configuration in the
rack.
Fault tolerance
These switches learn alternative paths automatically and perform faster convergence if there is a link,
switch, or power failure. The switch uses technologies such as Virtual Link Aggregation, L2 trunk failover,
and HotLinks.
Seamless interoperability
RackSwitch switches interoperate seamlessly with other vendors' upstream switches.
Features and specifications
The G7028 switch has the following features and specifications:
Form factor: 1U rack mount switch
Ports
Twenty-four 10/100/1000 Mb Ethernet ports with RJ-45 connectors
Four ports for 1 Gb or 10 Gb Ethernet SFP/SFP+ transceivers (support for 1000BASE-SX,
1000BASE-LX, 1000BASE-T, 10GBASE-SR, or 10GBASE-LR) or SFP+ direct-attach copper (DAC)
cables. SFP/SFP+ modules or DAC cables are not included and must be purchased separately.
One Ethernet port (RJ-45 connector) for out of band (OOB) management
One RS-232 serial port (RJ-45 connector) that provides an additional means to configure the switch
module
One USB port for mass storage devices
Scalability and performance
10 Gb Ethernet ports for maximum network bandwidth
Autosensing 10/1000/1000 Gigabit Ethernet ports for bandwidth optimization
Non-blocking architecture with wire-speed forwarding of traffic; up to 128 Gbps of full duplex
switching throughput
Up to 96 Million packets per second (Mpps) with switching latency of 3.3 microseconds
Media access control (MAC) address learning: Automatic update, support of up to 8,000 MAC
addresses
RackSwitch G7028
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