linux 查看丢包率

ifconfig eth0

netstat -i

ip -s link show eth0

#!/bin/bash

INTERFACE="eth0"
while true; do
    RX_PACKETS=$(cat /sys/class/net/$INTERFACE/statistics/rx_packets)
    RX_ERRORS=$(cat /sys/class/net/$INTERFACE/statistics/rx_errors)
    RX_DROP=$(cat /sys/class/net/$INTERFACE/statistics/rx_dropped)

    TX_PACKETS=$(cat /sys/class/net/$INTERFACE/statistics/tx_packets)
    TX_ERRORS=$(cat /sys/class/net/$INTERFACE/statistics/tx_errors)
    TX_DROP=$(cat /sys/class/net/$INTERFACE/statistics/tx_dropped)

    RX_LOSS=$(echo "scale=2; $RX_DROP / $RX_PACKETS * 100" | bc)
    TX_LOSS=$(echo "scale=2; $TX_DROP / $TX_PACKETS * 100" | bc)

    echo "Interface: $INTERFACE"
    echo "RX Packets: $RX_PACKETS, Errors: $RX_ERRORS, Dropped: $RX_DROP, Loss: $RX_LOSS%"
    echo "TX Packets: $TX_PACKETS, Errors: $TX_ERRORS, Dropped: $TX_DROP, Loss: $TX_LOSS%"
    echo "----------------------------------------"
    sleep 5
done