How to apply a bandwidth or latency limitation to network interface or protocol?

Solution Verified - Updated -

Issue

  • How to apply a bandwidth or latency limitation to network interface or protocol?
  • How to configure latency on Ethernet interfaces in a test environment to simulate production?
  • How do I use the tc traffic control command and qdisc (queueing disciplines)?
  • How to limit bandwidth for a single protocol like NFS?
  • We found excessive use of bandwidth, how can we restrict it?
  • How can a QoS (Quality of Service) policy be setup on a system to prioritize the network bandwidth usage?
  • Outage is experienced at times when NetBackup jobs starts running. Is there a way to throttle bandwidth on the network interface that will provide lower priority to the backup traffic and reserve the network bandwidth on the interface?

Environment

  • Red Hat Enterprise Linux
  • Networking

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