1) Select credible technical indicators, such as switching speed, switching capacity (Gbps), backplane bandwidth (Gbps), processing capacity (Mpps), and throughput (Mpps).
2) Design the correct test plan, and prepare enough test ports to accurately evaluate the real performance of the switch.
3) Select the correct product module configuration, adopt a distributed switching processing structure, and all interface modules have the ability of local independent switching, so as to avoid the central switching bottleneck problem existing in the centralized switching structure.
4) Delay and delay jitter, select industry-leading switches with a delay of less than 10 microseconds.
5) Multicast support, commonly used multicast protocols include PIM and DVMRP. The product should support both multicast protocols.
6) Abundant interface types, choose a backbone switch that supports Gigabit Ethernet, POS and ATM broadband interfaces at the same time.
7) Stable routing protocol software implementation, the need for routing protocols (such as BGP, OSPF) that can be implemented on the switch.
8) Support MPLS, the backbone network that can be built with MPLS can support a variety of applications such as traffic engineering, VPN, etc.
9) The main technical conditions for switching orders are to choose a large network data transmission capacity, strong data exchange capacity, stable and reliable, and uninterrupted operation. Products should be selected based on high performance, manageability, high reliability, applicability, and performance-to-price ratio.
10) Select the specifications and dimensions of the switch in the main engine room and install it in the main cabinet.
The main specifications and parameters of the switch include 8, 16, and 24 RJ45 ports, rack-type 19-inch adaptive Ethernet switches, supporting network standards 802.3 10BaseT, 802.3u100BaseTX, backplane bandwidth: 4.8G packet forwarding rate 10M: 14,880pps; 100M: 148,800pps 10M/100Mbps MAC address table 4K. In addition, there are intelligent and optical switches, which can be selected according to the network conditions.
11) Four-port is generally fine for families, and multi-port is mostly used for enterprises
12) At present, there are many models and functions, and the grades are also different! Commonly used in general electronic markets can be purchased!
13) The switch cannot be applied to ADSL dialing, the telephone line cannot be used with the switch, the switch does not have the function of assigning IP address, and the router can automatically assign IP.
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