linux 开启双网卡脚本

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#!/usr/bin/env bash   file=`cat /proc/net/dev | awk '{i++; if(i>2){print $1}}' | sed 's/^[\t]*//g' | sed 's/[:]*$//g'` for i in all default $file do echo "0">/proc/sys/net/ipv4/conf/$i/rp_filter done