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被控端 - 修复 MTU 问题:夹 MSS + 路径 MTU 探测(公网可用率 48% -> 100%) - 复用 HTTP 连接(免掉每次新建 TLS 的 30% 握手失败) - 每分钟回头找局域网,自动切回快 400 倍的路径 - 画面心跳帧:静止时省流量,客户端仍知道流是活的 - 锁屏时给出可操作的提示 手表端 - 内置 GTS Root R4 / GlobalSign Root CA,修 SSLHandshakeException - 连接错误翻译成人话(证书/时间/解析/超时分别提示) - 经中转连上后用服务器报的地址刷新已配对记录 - 新增局域网连接页面、服务器延迟检测 服务器端 - 支持 chunked 请求体(修每 16 秒一次的连接错乱与大面积 502) - 网络调优脚本 net-tune.sh(开机自动应用) - 管理页:批量删除、网络体检、下载区 - 隧道改 HTTP/2 + 双连接 文档 - 许可协议 / 安装前必读 / 安装后须知(作者:小麦子)
70 lines
2.7 KiB
Bash
70 lines
2.7 KiB
Bash
#!/bin/bash
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# 部署重启之后可用率掉到 76%,查清楚原因。
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#
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# 要排除的可能:
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# 1. MSS 规则被部署脚本清掉了 -> 查规则
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# 2. 隧道重建时没带上 MSS(规则生效于新连接)-> 查隧道建立时间
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# 3. 链路本身在这个时段变差 -> 分组对比测量
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set -u
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RELAY_DIR=/root/lanremote-relay
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URL=https://relay.xxmxxs.top
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echo "===== 1. 调优还在不在 ====="
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echo " tcp_mtu_probing = $(cat /proc/sys/net/ipv4/tcp_mtu_probing)"
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echo " MSS 规则 $(iptables -t mangle -L -n 2>/dev/null | grep -ci mss) 条"
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iptables -t mangle -L -n 2>/dev/null | grep -i mss | sed 's/^/ /'
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echo
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echo "===== 2. 隧道什么时候建的(要比 MSS 规则晚才对)====="
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echo " MSS 规则最早(服务启动时间):"
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systemctl show lanremote-nettune.service -p ActiveEnterTimestamp --value
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echo " 隧道启动时间:"
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systemctl show lanremote-tunnel -p ActiveEnterTimestamp --value
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echo " 隧道最近的注册记录:"
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grep 'Registered tunnel connection' "$RELAY_DIR/tunnel.log" 2>/dev/null \
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| tail -3 | sed 's/^/ /'
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echo
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echo "===== 3. 服务状态 ====="
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for s in lanremote-nettune.service lanremote-relay lanremote-tunnel; do
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printf " %-28s %s\n" "$s" "$(systemctl is-active "$s")"
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done
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echo " 连接数 = $(curl -s --max-time 5 http://127.0.0.1:20241/metrics 2>/dev/null | grep '^cloudflared_tunnel_ha_connections' | awk '{print $2}')"
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echo
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echo "===== 4. 分组测量:连续 3 组,每组 20 次 ====="
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for group in 1 2 3; do
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ok=0
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for i in $(seq 1 20); do
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c=$(timeout 12 curl -4 -s -o /dev/null -w '%{http_code}' \
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-H 'User-Agent: LanRemote/1.4.0' "$URL/v1/health" 2>/dev/null)
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[ "$c" = "200" ] && ok=$((ok+1))
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sleep 1
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done
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echo " 第 $group 组: $ok/20 = $((ok * 5))%"
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done
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echo
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echo "===== 5. 路径 MTU 现状(MSS 1400 是否仍然合适)====="
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for size in 1400 1440 1452 1460 1472; do
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out=$(ping -c 3 -W 3 -M do -s "$size" 1.1.1.1 2>&1)
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loss=$(echo "$out" | grep -oE '[0-9]+% packet loss' | head -1)
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rtt=$(echo "$out" | grep -oE 'min/avg/max[^=]*= [0-9./]+' | head -1)
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printf " 包 %-5s 丢包 %-14s %s\n" "$((size + 28))" "${loss:-?}" "${rtt:-}"
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done
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echo
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echo "===== 6. 强制让隧道用上最新参数重建 ====="
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systemctl restart lanremote-tunnel
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sleep 40
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echo " 连接数 = $(curl -s --max-time 5 http://127.0.0.1:20241/metrics 2>/dev/null | grep '^cloudflared_tunnel_ha_connections' | awk '{print $2}')"
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ok=0
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for i in $(seq 1 20); do
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c=$(timeout 12 curl -4 -s -o /dev/null -w '%{http_code}' \
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-H 'User-Agent: LanRemote/1.4.0' "$URL/v1/health" 2>/dev/null)
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[ "$c" = "200" ] && ok=$((ok+1))
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sleep 1
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done
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echo " 重建后: $ok/20 = $((ok * 5))%"
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