Cisco Catalyst 2918 series switch
Cisco Catalyst 2918 series,Cisco switch is face to the China market and small or medium-sized network deployment of the entry-level fixed configuration switches. Cisco Catalyst 2918 switch use simplified Chinese equipment panel and graphical interface, with excellent performance and price and for entry-level wiring workshop and small branches provide desktop fast Ethernet and gigabit uplink network connection. Cisco Catalyst 2918 series switch providing complete entry level security policy, service quality (QoS) and usable sexual function, reduce the total cost of ownership enterprise network. This series of switches also provide the users from the intelligence and not the management hub to facilitate the expansion switches for Chinese enterprise,it can be management network migration of the simple way.
Cisco Catalyst 2918 switches contain a variety of model,for example,cisco catalyst WS-C2918-48TC-C , WS-C2918-48TT-C , WS-C2918-24TC-C , WS-C2918-24TC-C , WS-C2918-24TT-C
Cisco Catalyst 2918 switches provide:
Two gigabit uplink way:
Based on copper and optical fiber dual purpose of gigabit Ethernet port, each of the dual purpose of uplink port has a / 10/100 Ethernet port and a SFP based on the gigabit Ethernet ports, a activate a port;
Based on the 10/100/1000 copper Ethernet port
According to the user, port and MAC address provide security network access control
Based on Chinese graphics interface fast network configuration
Smartports use automatic configuration
To enhance the link connection troubleshooting ability and cable diagnosis ability
Provide excellent service quality, support the multicast service
Limited life cycle hardware warranty
Free software update
Figure 1. Cisco Catalyst 2918 switch
Configuration
Cisco Catalyst 2918 series switch are consist of the switch components (see chart 1) :
Cisco Catalyst 2918-24 TT-C: 24 10/100 Ethernet port and two 10/100/1000 BAST-T uplink port
Cisco Catalyst 2918-24 TC-C: 24 10/100 Ethernet port and 2 dual purpose of uplink port (10/100/1000 base-t or SFP)
Cisco Catalyst 2918-48 TT-C: 48 10/100 Ethernet port and two 10/100/1000 BAST-T uplink port
Cisco Catalyst 2918-48 TC-C: 48 10/100 Ethernet port and 2 dual purpose of uplink port (10/100/1000 base-t or SFP)
Based on the SFP support gigabit Ethernet ports Cisco 1000 BASE-SX, 1000 BASE-LX and 100 BASE-FX SFP transceiver.
Security
Cisco Catalyst 2918 switch support security features ,The series switch can help enterprises to protect the important information, make illegal workers can’t access network, ensure privacy and keep continuous operation.
Use 802.1 x standard can realize the dynamic, based on the safety of the port, provide the user identity authentication function.
Port security can according to the MAC address of equipment to limit the Ethernet port of the visit, and through the control every port equipment connect Numbers, the switch from MAC the flood attack, ensure access the legitimacy of the user.
Availability and expansibility
Cisco Catalyst 2918 switch through the multicast filter and strengthen the complete set of Spanning Tree Protocol (Spanning Tree Protocol, STP), realize the network expansibility and higher usability.
For standard spanning tree protocol (STP) of improvement, such as PVST +, UplinkFast and PortFast, can realize the longest network normal operation time. PVST + can in the redundant links on the second load sharing, in order to effectively use redundancy design of the additional capacity. UplinkFast, PortFast and BackboneFast greatly reduces the standard of 30 to 60 seconds spanning tree protocol convergence time. Loop circuit protection and Bridges protocol data unit (BPDU) protection enhancement to avoid the spanning tree agreement the emergence of the loop.
Service quality
Cisco Catalyst 2918 switches provide QoS characteristics of multi-layer flow to ensure network classification and priority classified, and the best way to avoid network congestion. Cisco Catalyst 2918 series switches use 802.1 p (CoS) on the discharge of classification. Cisco Catalyst 2918 switches support every port four output queue. In the export, switches implementation schedule and congestion control. Cisco Catalyst 2918 switches support plastic recycling (Shaped Round Robin, SRR) and strict priority queues. SRR algorithm help ensure priority distinction.
Management
The user can select the Chinese graphical interface Web browser to set the switch, need not end simulation program and command line interface (CLI). Quick setup allows no rich technical knowledge staff can simple, quick to set switch, so as to reduce the cost of deployment.
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