openwrt 抓取流量包

编译内核时支持tcpdump工具

Network  ---> <*> tcpdump

#!/bin/ash

STIME=`date +%F"@"%H%M%S`
DUMPPID=`ps | grep "tcpdump" | grep "3g-ppp0"`

if [ -n $DUMPPID ]
then
	/usr/sbin/tcpdump -i 3g-ppp0 -C 100 -w /mnt/sda1/${STIME}.cap -s 0 &
fi

crontab -e

*/1 * * * *  /root/tcpdump.sh

openwrt 抓取流量包

原文：http://blog.csdn.net/u011641885/article/details/46548779