The CloudEngine S6730-H28X6CZ-V2 series offers a range of next generation 10 GE routing switches with 24, 28, or 48 downlink ports plus 6 x 40 GE uplink ports — which can be expanded to 100 GE through licensing — and one extended slot. Built on Huawei's unified software platform , the series offers a range of various Intent-Driven Network (IDN) features, including support for Virtual Extensible Local Area Network (VXLAN) technology, which builds one network for multiple purposes. Meanwhile, a free mobility feature ensures a consistent user experience.
Specification of S6730-H28X6CZ-V2
Ports
28 x 10 Gig SFP+, 6 x 40/100 Gig QSFP28
Dimensions (H x W x D)
43.6 mm x 442.0 mm x 420.0 mm(1.72 in. x 17.4 in. x 16.5 in.)
Chassis height
1 U
Chassis weight (full configuration weight, including weight of packaging materials)
7.06 Kg(15.56 lb)
Extended slot
One extended slot, support 2 x 40GE and 8 x 25/10GE cards
ETH management port
Supported
Console port (RJ45)
Supported
USB port
USB 2.0
CPU Frequency
1.4 GHz
CPU Cores
4
Memory (RAM)
4GB
Flash
Hardware: 2 GB
Power supply type
600 W AC (pluggable)
1200 W AC (pluggable)
1200 W DC (pluggable)
Rated voltage range
AC input: 100V AC to 240V AC, 50/60 Hz
High-Voltage DC input: 240V DC
DC input: -48 V DC to -60 V DC
Maximum voltage range
AC input: 90 V AC to 290 V AC, 45 Hz to 65 Hz
High-Voltage DC input: 190V DC to 290V DC
DC input: -38.4V DC to -72V DC
Maximum input current
AC 600W:8A
DC 1000W:38A
Typical power consumption (30% of traffic load, tested according to ATIS standard)
203 W
Maximum power consumption (100% throughput, full speed of fans)
263 W
Heat dissipation mode
Air-cooled heat dissipation and intelligent fan speed adjustment
Number of fan modules
3, Fan modules are pluggable and support redudancy
Airflow
Air flows in from the front side and exhausts from the rear panel
Long-term operating temperature
0-1800 m: -5°C to 45°C
1800-5000 m: The operating temperature decreases 1°C for every 220m increase in altitude.
Storage temperature
-40°C to +70°
Relative humidity
5% to 95%, noncondensing
Operating altitude
0-5000 m
Acoustics (LpA) maximum
39.72 dB(A)
Acoustics (LwA) maximum
5.34B
Surge protection specification (power port)
Using AC power modules: ±6kV in differential mode, ±6 kV in common mode
Using DC power modules: ±2kV in differential mode, ±4 kV in common mode
MTBF (year)
52.24
MTTR
0.5
Availability
> 0.99999
Certification
EMC certification
Safety certification
Manufacturing certification
What is a Switch? A switch is a device that enables communication between two or more IT devices, such as computers, servers, printers, and more. It helps devices within a network share resources, including printers, file storage, internet access, and application processing. In simple terms, a switch acts as a "traffic hub" in a network.
Key Characteristics:
Intelligent Forwarding: Unlike a basic hub, a switch intelligently directs data packets only to the intended recipient device based on MAC addresses.
Efficient Communication: This targeted data transmission reduces unnecessary traffic, enhances network performance, and improves security within the local network.
Scalability: Switches come in various sizes, from small desktop models for home/office use to large modular switches for enterprise data centers.
Common Applications:
Connecting devices within a Local Area Network (LAN)
Building enterprise networks, data centers, or home networks
Supporting resource sharing and collaborative workflows
In summary, a switch is a fundamental networking device that efficiently manages and directs data flow, ensuring smooth and reliable communication between connected devices.
Core Functions of a Switch The primary functions of a switch include:
VLAN Segmentation – Enhances network security by isolating traffic into separate virtual networks.
Targeted Forwarding – Improves network performance by accurately identifying and forwarding data only to the intended destination device.
Traffic Control – Optimizes network reliability and stability through mechanisms like Quality of Service (QoS) and loop prevention (e.g., Spanning Tree Protocol).
Link Aggregation – Increases bandwidth and provides redundancy by combining multiple physical links into a single logical channel.
Working Principle of a Switch A switch operates at either the Data Link Layer (Layer 2) or the Network Layer (Layer 3) of the OSI model:
Layer 2 Switch: Forwards data based on MAC addresses.
Layer 3 Switch: Forwards data based on IP addresses.
A switch continuously learns the MAC addresses of connected devices and records them in its MAC address table. The core processes include:
Learning: Records the source MAC address and its corresponding port.
Forwarding: Precisely forwards frames to the destination port based on the target MAC address.
Flooding: If the target MAC address is not found in the table, the switch broadcasts the frame to all ports (except the source port).
Update: Periodically refreshes the MAC address table to ensure accuracy and remove stale entries.