What is a Packet Loss?

5 pts.
Tags:
Networking
Packet Loss
Wi-Fi
I am testing my computer for a work from home job and they are saying everything passed but I have 4% packet loss. What is this and how do I fix it. I even turned off all my Wi-Fi to do this test as the requested.

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Packet loss occurs when one or more packets of data travelling across a computer network fail to reach their destination. Packet loss is typically caused by network congestion. Packet loss is measured as a percentage of packets lost with respect to packets sent.

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  • Subhendu Sen
    If the network device is falling very far behind, then this is one of the cause for packet loss. Other is If bandwidth is adequate, though you can still face an issue if router/switch/firewall is not able to keep up with the traffic. In general, packet loss is almost always bad when it occurs at the final destination. Packet loss happens when a packet doesn't make it there and back again. Anything over 2% (you mentioned 4%) packet loss over a period of time is a strong indicator of problems. Most internet protocols can correct for some packet loss.
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  • Subhendu Sen
    For your assistance, here is a good link to know the concept/apply of troubleshooting for the same issue, (Cisco): https://documentation.meraki.com/zGeneral_Administration/Tools_and_Troubleshooting/Troubleshooting_packet_loss_between_devices
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