Command for Network Monitoring

The topic describes the netstat command that is used to monitor network status.

Command output example:

# netstat -i
Kernel Interface table
Iface      MTU    RX-OK RX-ERR RX-DRP RX-OVR    TX-OK TX-ERR TX-DRP TX-OVR Flg
docker0   1500    70712      0      0 0        131086      0      0      0 BMRU
eno1      1500 124457829      0 101794 0      57907365      0      0      0 BMRU
eno2      1500        0      0      0 0             0      0      0      0 BMU
eno3      1500        0      0      0 0             0      0      0      0 BMU
eno4      1500        0      0      0 0             0      0      0      0 BMU
enp130s0  1500        0      0      0 0             0      0      0      0 BMU
lo       65536     1123      0      0 0          1123      0      0      0 LRU
vethed74  1500      269      0      0 0           407      0      0      0 BMRU

Parameter description:

Parameter	Description
Iface	The name of the network adapter.
MTU	The maximum transmission unit. Default value: 1500.
OK	The number of error-free packets.
ERR	The number of damaged packets.
DRP	The number of dropped packets.
OVR	The number of packets that exceeds the threshold.
Flg	The flag set for the interface. The value can be: - B: A broadcast address is configured. - L: The interface is a loopback device. - M: All packets are received. - R: The interface is running. - U: The interface is active.

info

RX indicates received. TX indicates sent.