74 lines
2.0 KiB
Bash
74 lines
2.0 KiB
Bash
#!/bin/bash
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# 网络接口名称
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INTERFACE="eno1"
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# 带宽限制
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LIMIT_RATE="2mbit"
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# 检查是否提供操作参数
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if [ "$#" -lt 1 ]; then
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echo "Usage: $0 {add|del}"
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exit 1
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fi
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# 添加限速规则
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add_limit() {
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echo "Applying new bandwidth limit..."
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# 清理旧规则
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tc qdisc del dev "$INTERFACE" root 2>/dev/null
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tc qdisc del dev ifb0 root 2>/dev/null
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# 添加上行规则
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tc qdisc add dev "$INTERFACE" root handle 1: htb default 11
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tc class add dev "$INTERFACE" parent 1: classid 1:1 htb rate "$LIMIT_RATE"
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tc class add dev "$INTERFACE" parent 1:1 classid 1:11 htb rate "$LIMIT_RATE"
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tc filter add dev "$INTERFACE" protocol ip parent 1:0 prio 1 u32 match ip dport 8337 0xffff flowid 1:11
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tc filter add dev "$INTERFACE" protocol ip parent 1:0 prio 1 u32 match ip dport 8338 0xffff flowid 1:11
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# 添加下行规则
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tc qdisc add dev ifb0 root handle 1: htb default 11
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tc class add dev ifb0 parent 1: classid 1:1 htb rate "$LIMIT_RATE"
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tc class add dev ifb0 parent 1:1 classid 1:11 htb rate "$LIMIT_RATE"
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tc filter add dev ifb0 protocol ip parent 1:0 prio 1 u32 match ip sport 8337 0xffff flowid 1:11
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tc filter add dev ifb0 protocol ip parent 1:0 prio 1 u32 match ip sport 8338 0xffff flowid 1:11
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echo "Bandwidth limit applied successfully."
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}
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# 删除限速规则
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delete_limit() {
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echo "Removing bandwidth limit from interface $INTERFACE..."
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# 删除上行规则
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tc qdisc del dev "$INTERFACE" root
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# 删除下行规则
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tc qdisc del dev ifb0 root
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echo "Bandwidth limit removed successfully."
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}
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# 根据用户输入执行操作
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case "$1" in
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add)
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# 启用下行流量接口 ifb0
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modprobe ifb
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ip link set ifb0 up
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add_limit
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;;
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del)
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delete_limit
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# 禁用下行流量接口 ifb0
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ip link set ifb0 down
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;;
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*)
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echo "Invalid option: $1"
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echo "Usage: $0 {add|delete}"
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exit 1
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;;
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esac
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