#!/bin/bash
# 统计网卡流量
n=10
  
date
rm -rf /tmp/ifconfig_log
while (( $n >= 0 ))
do
 n=$(($n - 1));
 date >> /tmp/ifconfig_log
 ifconfig eth1 >> /tmp/ifconfig_log
 sleep 1
done
  
grep "RX bytes:" /tmp/ifconfig_log | awk

 

#!/bin/bash
if [ -n "$1" ]; then
 eth_name=$1
else
 eth_name="eth0"
fi
i=0
send_o=`ifconfig $eth_name | grep bytes | awk '{print $6}' | awk -F : '{print $2}'`
recv_o=`ifconfig $eth_name | grep bytes | awk '{print $2}' | awk -F : '{print $2}'`
send_n=$send_o
recv_n=$recv_o
while [ $i -le 100000 ]; do
 send_l=$send_n
 recv_l=$recv_n
 sleep 1
 send_n=`ifconfig $eth_name | grep bytes | awk '{print $6}' | awk -F : '{print $2}'`
 recv_n=`ifconfig $eth_name | grep bytes | awk '{print $2}' | awk -F : '{print $2}'`
 i=`expr $i + 1`
 send_r=`expr $send_n - $send_l`
 recv_r=`expr $recv_n - $recv_l`
 total_r=`expr $send_r + $recv_r`
 send_ra=`expr \( $send_n - $send_o \) / $i`
 recv_ra=`expr \( $recv_n - $recv_o \) / $i`
 total_ra=`expr $send_ra + $recv_ra`
 sendn=`ifconfig $eth_name | grep bytes | awk -F \( '{print $3}' | awk -F \) '{print $1}'`
 recvn=`ifconfig $eth_name | grep bytes | awk -F \( '{print $2}' | awk -F \) '{print $1}'`
 clear
 echo "=================================================="
 echo "Last second :  Send rate: $send_r Bytes/sec Recv rate: $recv_r Bytes/sec Total rate: $total_r Bytes/sec"
 echo "Average value:  Send rate: $send_ra Bytes/sec Recv rate: $recv_ra Bytes/sec Total rate: $total_ra Bytes/sec"
 echo "Total traffic after startup:  Send traffic: $sendn Recv traffic: $recvn"
 echo "=================================================="
done