19 lines
445 B
Bash
19 lines
445 B
Bash
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function get_client_mac_address() {
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# Usage: get_client_mac_address <interface_name>
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local ETH_IFACE="$1"
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local TARGET_IP="192.168.2.2"
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# Check if the interface is plugged in
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if ip link show "$ETH_IFACE" | grep -q "state UP"; then
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local MAC_ADDRESS=$(arp -i "$ETH_IFACE" -n | grep "$TARGET_IP" | awk '{print $3}')
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if [ -n "$MAC_ADDRESS" ]; then
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echo "$MAC_ADDRESS"
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else
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exit 1
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fi
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else
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exit 1
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fi
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}
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