MPN
MPN: 3CR1766291UK
Main features
Type: Hubs: the hub may apply to a large number of devices: some can not be used on Ethernet networks, others are of the Ethernet hubs. In the case of a network of small size, the choice of a hub is limited often to find the best price and to predict the evolution of your network. Switches: these devices filter and forward data packets from one LAN segment to another. Switches KVM (keyboard, video, mouse) allow to control several computers. They are very popular for users who have upgraded their personal computer systems and who wish to continue to use their old computer without having to buy another keyboard, another display, or an other Ethernet souris.Commutateur
Level OSI: Switches of level 2 (data link)
Level 2 switches operate on the basis of physical network addresses. These addresses, also known as MAC, or level of binding, physical addresses are used to identify each device. Most devices receive a permanent physical address during the manufacturing process.
Level 2 switches are very fast because they just sorting physical addresses, without trying to en more on the destination of the packets of data.
Switches of level 3 (network)
Level 3 switches use network or IP addresses that identify the locations on the network. Unlike the switches of level 2, they carefully examine network addresses to identify the network and the physical device locations. Location, means a LAN workstation, a location of computer memory, or even a different data packet transmitted over a network.
Switches that operate at level 3 are intelligent systems which include routing functions to actively calculate the best way to send a package to its destination. Despite their "intelligence", they are sometimes slower than level 2 switches, especially when their algoritlmes, their matrix or their processor do not high flows.Level 2/3
Manageable system: Manageable
A manageable device includes management, monitoring and configuration functions that allow to control and manage the network through different indicators of State.
Not manageable
A non-manageable device cannot be configured or managed via a network. You therefore do not need to define settings or configure the device.Manageable
Interfaces
Ports: 44 x 10/100/1000Base-T (RJ-45)
Additional ports: 4 x SFP/1000Base-T Combo, 1 x XENPAK
Performance
Switch fabric capacity: 136 Gbps
MAC address entries: 8196
VLAN: All switches do not support the same number of VLANS.
A VLAN (virtual LAN or) is a local network designed to associate positions on the basis of criteria other than the simple geographic location. For example, it can make associations by Department, type of user or primary application. The virtual LAN controller to change or to add workstations, as well as to manage the load balancing and bandwidth allocation, more easily that makes a simple physical picture of the LAN.
The VLAN is a switch function able to share the network into several parts. It is used for reasons of security and (in the case of larger networks) in order to more easily move the computers and services. A VLAN allows to modify only the switch instead of reconfiguring 20 computers separately. 256
Groups of research/aggregations of links: 25
Standards and protocols
LAN standards: It's standards of connection supported by the device. Don't forget to make sure that they are compatible with the device that you want toconnect you.IEEE 802.1 d (spanning tree)
IEEE 802.1 p LAN level 2 (Protocol priority traffic management QoS/CoS)
IEEE 802 .1Q (VLAN)
IEEE 802.3 CSMA/CD or Ethernet
IEEE 802.3U 100 Mbps (Fast Ethernet)
IEEE 802.3ad (link aggregation)
IEEE 802.3AE 10 Gigabit Ethernet
IEEE.3z Gigabit Ethernet standard fibre (1000BaseX)
IEEE 802.3 x (flow control)
IEEE 802.1 x (port for WLAN access control)
IEEE 802.3i
IEEE 802.1 s
Switching/transfer method: Store-and-forward
Management protocols: protocols of management, refers to the protocols that the device uses to perform its operations management, configuration and monitoring.HTTP
Telnet
RMON 2
RMON 1
SNMP 1
SNMP 3
RMON 3
RMON 9
SNMP 2 c
TFTP
SSH
Protocols: The protocols indicate signals that the switch or hub connected to the device will support. They define the syntax (arrangements, formats and patterns of bits and bytes) and semantics (control of the system, context of the information or meaning of the patterns of bits and bytes) data exchanged, and other parameters such as synchronization and data flow.ACL
ARP
IGMP
IP
RADIUS
TCP
UDP
HTTP
DHCP
TFTP
SSHv2
Routing protocols: static routing
Dimension
Mounting heightRack: 1U
Width: 44.2 cm
Depth: 30 cm
Height: 4.3 cm
Weight: 4.71 kg
Various
Product no.: 36501114
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