24 lines
475 B
Bash
24 lines
475 B
Bash
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#!/bin/bash
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MAC_BEF=$(cat /sys/class/net/lan0/address |cut -b -6)
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MAC=$(cat /sys/class/net/lan0/address |cut -b 7-)
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MAC=${MAC//:/""}
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MAC=$((16#$MAC))
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MAC=$(($MAC-1))
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MAC=`printf %x $MAC`
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NUM=`expr 8 - ${#MAC}`
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while [ $NUM -ne 0 ]
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do
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MAC=0$MAC
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let "NUM--"
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done
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echo ${MAC} >> /usr/local/test.log
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echo ${MAC_BEF} >> /usr/local/test.log
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MAC=${MAC_BEF}${MAC:0:2}:${MAC:2:2}:${MAC:4:2}:${MAC:6}
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ifconfig eth0 down
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ifconfig eth0 hw ether $MAC
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ifconfig eth0 up
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