5 Reasons Why Ethernet Networks Fail!!
- Problems with the transmission medium (copper, fiber, wireless); the connectors themselves; dust oxidation or other environmental problems; attenuation; accidental disconnection of cables; incorrect reconnection of cables during maintenance; wireless transmission interference.
- Poor choice of hardware; consumer switches work well in IT office environments but not in hot humid vibration prone, EMI ridden industrial environments. The switches must be industrially-hardened to at least UL Class 1, Div 2 (like N-Tron 700 series); power supply failure can bring a network down - either wire two redundant power supplies to each switch, or choose one with minimum 1M hrs MTBF (like PULS ML30.100).
- Poor documentation leads to accidents and mistakes when trying to make changes to the network and incorrect reconnection during maintenance.
- Lack of network diagnostics. You want to be able to view the status and activity of every port in the network (N-VIEW is standard on all 500 and 700 series); you want SNMP which monitors networks attached devices for conditions that warrant administrative attention (standard on 500 and 700 series); you want rapid spanning tree protocol to prevent loops (standard); and you want IGMP snooping (standard).
- Improper VLAN configuration leads to segmentation issues and broadcast storms. Networks can be designed to be resilient against failures through teaming of switches with automatic rerouting of data through redundantly placed switches.
View How to Set-up your switch:
N-Tron Switch Configuration - Youtube Training
Differences between Hubs Switches Routers.pdf
N-Tron Training Seminar
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