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{"title":"Flexible Ethernet Networking Huawei Network Switches Energy Saving Fan Free","imgUrl":"https:\/\/img.ismap.com\/nimg\/4e\/1a\/9f515c0edc75643d1c3e82c23e9f-200x200-1\/flexible_ethernet_networking_huawei_network_switches_energy_saving_fan_free_design.jpg","attrs":{"Brand Name":"Huawei","Model Number":"S5720S-28X-LI-24S-AC","Certification":"CE","Place of Origin":"China"}}
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Building on high-performance hardware and the Huawei Versatile Routing Platform (VRP), the S5720-LI series switches support intelligent stack (iStack), flexible Ethernet networking, and diversified security control. They support multiple Layer 3 routing protocols and provide high performance and service processing capabilities. The S5720-LI series switches are ideal for various scenarios such as enterprise campus network access and gigabit to the desktop.
Specifications
Huawei Switch S5720-52X-LI-DC Switch 48x10/100/1000 ports.4x10 Gig SFP+ DC -48V
Item
S5720-52X-LI-DC
Fixed Ports
48 x 10/100/1,000 Base-T, 4 x 10 Gig SFP+
MAC Address Table
16K MAC
Dimensions (W x D x H)
442 mm x 220 mm x 43.6 mm
Slot
N/A
Input Voltage
Rated voltage range: -48V to 60V DC; Maximum voltage range: -36V to 72V DC;
Maximum Power Consumption
51.6W
Typical Power Consumption (without PD)
33.1W
Operating Temperature
1,800m to 5,000m altitude: The operating temperature reduces by 1°C for each 220m increase in altitude.
Relative Humidity
5% to 95% (non-condensing)
Heat Dissipation
Heat dissipation with fan, intelligent fan speed adjustment
Flexible Ethernet networking
In addition to traditional Spanning Tree Protocol (STP), Rapid Spanning Tree Protocol (RSTP), and Multiple Spanning Tree Protocol (MSTP), the S5720-LI supports Huawei-developed Smart Ethernet Protection (SEP) technology and the latest Ethernet Ring Protection Switching (ERPS) standard. SEP is a ring protection protocol specific to the Ethernet link layer, and applies to various ring network topologies, such as open ring topology, closed ring topology, and cascading ring topology. This protocol is reliable, easy to maintain, and implements fast protection switching within 50 ms. ERPS is defined in ITU-T G.8032. It implements millisecond-level protection switching based on traditional Ethernet MAC and bridging functions.
The S5720-LI supports Smart Link, which implements backup of uplinks. One S5720-LI switch can connect to multiple aggregation switches through multiple links, significantly improving reliability of access devices.
The S5720-LI supports Ethernet OAM (IEEE 802.3ah/802.1ag) to fast-detect link faults.
Diversified security control
The S5720-LI supports 802.1x authentication, MAC address authentication, and combined authentication on a per port basis, as well as Portal authentication on a per VLANIF interface basis, and implements dynamic policy delivery (VLAN, QoS, and ACL) to users.
The S5720-LI provides a series of mechanisms to defend against DoS attacks and user-targeted attacks. DoS attacks are targeted at switches and include SYN flood, Land, Smurf, and ICMP flood attacks. User-targeted attacks include bogus DHCP server attacks, IP/MAC address spoofing, DHCP request flood, and changing of the DHCP CHADDR value.
The S5720-LI collects and maintains information about access users, such as IP addresses, MAC addresses, IP address leases, VLAN IDs, and interface numbers in a DHCP snooping binding table. In this way, IP addresses and access interfaces of DHCP users can be tracked. You can specify DHCP snooping trusted and untrusted ports to ensure that users connect only to the authorized DHCP server.
The S5720-LI supports strict ARP learning. This feature prevents ARP spoofing attackers from exhausting ARP entries so that users can connect to the Internet normally.
The Formation of Lonrise
My Company was founded in 2007 as Cisco distributor and integrator domestically.
After 4 years' steadfast development, it spotted the business abroad. Thus Lonrise stepped on the road as a global CISCO supplier which has owned a good reputation within ...
The Formation of Lonrise
My Company was founded in 2007 as Cisco distributor and integrator domestically.
After 4 years' steadfast development, it spotted the business abroad. Thus Lonrise stepped on the road as a global CISCO supplier which has owned a good reputation within ...
