60 lines
2.1 KiB
Bash
60 lines
2.1 KiB
Bash
#!/bin/bash
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# 定义网络接口和限速参数
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INTERFACE="eno1"
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LIMIT_RATE="2mbit"
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add_limit() {
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echo "Applying bandwidth limit for ports 8337 and 8338..."
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# 加载 ifb 模块并确保 ifb0 存在且启用
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modprobe ifb 2>/dev/null
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ip link show ifb0 >/dev/null 2>&1 || ip link add ifb0 type ifb
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ip link set ifb0 up 2>/dev/null
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# 清理旧规则
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tc qdisc del dev "$INTERFACE" root 2>/dev/null || true
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tc qdisc del dev ifb0 root 2>/dev/null || true
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# 添加上行规则
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tc qdisc add dev "$INTERFACE" root handle 1: htb
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tc class add dev "$INTERFACE" parent 1: classid 1:1 htb rate "$LIMIT_RATE" ceil "$LIMIT_RATE"
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tc filter add dev "$INTERFACE" protocol ip parent 1:0 prio 1 u32 match ip dport 8337 0xffff flowid 1:1
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tc filter add dev "$INTERFACE" protocol ip parent 1:0 prio 1 u32 match ip dport 8338 0xffff flowid 1:1
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# 添加下行规则
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tc qdisc add dev ifb0 root handle 1: htb
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tc class add dev ifb0 parent 1: classid 1:1 htb rate "$LIMIT_RATE" ceil "$LIMIT_RATE"
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tc filter add dev ifb0 protocol ip parent 1:0 prio 1 u32 match ip sport 8337 0xffff flowid 1:1
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tc filter add dev ifb0 protocol ip parent 1:0 prio 1 u32 match ip sport 8338 0xffff flowid 1:1
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# 将 ingress 流量重定向到 ifb0
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tc qdisc add dev "$INTERFACE" ingress
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tc filter add dev "$INTERFACE" parent ffff: protocol ip prio 1 u32 match ip sport 8337 0xffff action mirred egress redirect dev ifb0
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tc filter add dev "$INTERFACE" parent ffff: protocol ip prio 1 u32 match ip sport 8338 0xffff action mirred egress redirect dev ifb0
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echo "Bandwidth limit applied successfully."
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}
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delete_limit() {
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echo "Removing bandwidth limit..."
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tc qdisc del dev "$INTERFACE" root 2>/dev/null || true
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tc qdisc del dev "$INTERFACE" ingress 2>/dev/null || true
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tc qdisc del dev ifb0 root 2>/dev/null || true
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ip link set ifb0 down 2>/dev/null || true
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echo "Bandwidth limit removed successfully."
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}
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case "$1" in
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add)
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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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;;
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*)
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echo "Usage: $0 {add|del}"
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exit 1
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;;
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esac
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