Introduce Linux’s tool for viewing bandwidth network card traffic: iftop
The function of iftop:
- real-time traffic
- Reverse IP resolution
- Display port information
install iftop
yum install iftop -y
Introduction of related parameters
Identification Description
- “<=”/”=>”: direction of traffic
- “TX”: traffic sent by the network card (outbound direction)
- “RX”: Traffic received by the network card (inbound)
- “TOTAL”: total network traffic (sum of outbound and inbound directions)
- “cum”: the total flow of iftop running to the current time
- “peak”: the traffic peak of the network card
- “rates”: Represents the average flow of 2s, 10s, 40s
Effect screenshot omitted
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