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https://github.com/Ysurac/openmptcprouter-feeds.git
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21 lines
No EOL
894 B
Bash
Executable file
21 lines
No EOL
894 B
Bash
Executable file
#!/bin/sh
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PKT_SIZE=1472
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INTERFACE="$1"
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HOSTNAME="$2"
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#count=$(ping -q -w 1 -M do -c 1 -s $PKT_SIZE -I $INTERFACE $HOSTNAME | grep -cE 'Message too long|100% packet loss')
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#count=$(ping -B -w 1 -M do -c 1 -s $PKT_SIZE -I $INTERFACE $HOSTNAME 2>&1 | grep -c 'Message too long')
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count=$(ping -6 -B -w 2 -M do -c 3 -s $PKT_SIZE -I $INTERFACE $HOSTNAME 2>&1 | grep -cE 'Message too long|100% packet loss')
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while [ $count -ge 1 ]; do
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PKT_SIZE=$((PKT_SIZE - 1))
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if [ "$PKT_SIZE" -lt "1252" ]; then
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exit 0
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fi
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#count=$(ping -q -w 1 -M do -c 1 -s $PKT_SIZE -I $INTERFACE $HOSTNAME | grep -cE 'Message too long|100% packet loss')
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#count=$(ping -B -w 1 -M do -c 1 -s $PKT_SIZE -I $INTERFACE $HOSTNAME 2>&1 | grep -c 'Message too long')
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count=$(ping -6 -B -w 2 -M do -c 3 -s $PKT_SIZE -I $INTERFACE $HOSTNAME 2>&1 | grep -cE 'Message too long|100% packet loss')
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done
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printf "$((PKT_SIZE + 28))" |