15 lines
338 B
Bash
15 lines
338 B
Bash
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#!/bin/bash
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destination_ip="${1:-1.1.1.1}"
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# Set initial packet size
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packet_size=1200
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# Loop to find the maximum MTU size
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while true; do
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ping -4 -M do -c 1 -s $packet_size $destination_ip &> /dev/null
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if [ $? -ne 0 ]; then
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echo "Maximum MTU size: $((packet_size + 28 - 2))"
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break
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fi
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packet_size=$((packet_size + 2))
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done
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