您好，我也遇到了类似的问题，校园网和北京移动的家宽nas，smb协议也很慢。
tailscale netcheck --verbose ─╯
2025/02/15 16:29:23 netcheck: sent to 162.248.221.248:3478
2025/02/15 16:29:23 netcheck: sent to 102.67.167.188:3478
2025/02/15 16:29:23 netcheck: sent to 49.13.204.141:3478
2025/02/15 16:29:23 netcheck: sent to 68.183.90.120:3478
2025/02/15 16:29:23 netcheck: sent to 102.67.165.36:3478
2025/02/15 16:29:23 netcheck: sent to 185.34.3.75:3478
2025/02/15 16:29:23 netcheck: sent to 185.40.234.77:3478
2025/02/15 16:29:23 netcheck: sent to 45.159.98.145:3478
2025/02/15 16:29:23 netcheck: sent to 103.84.155.46:3478
2025/02/15 16:29:23 netcheck: sent to 208.111.34.178:3478
2025/02/15 16:29:23 netcheck: sent to 209.177.156.197:3478
2025/02/15 16:29:23 netcheck: sent to 43.245.48.250:3478
2025/02/15 16:29:23 netcheck: sent to 176.58.93.154:3478
2025/02/15 16:29:23 netcheck: sent to 192.73.242.204:3478
2025/02/15 16:29:23 netcheck: sent to 148.163.220.210:3478
2025/02/15 16:29:23 netcheck: sent to 199.38.181.104:3478
2025/02/15 16:29:23 netcheck: sent to 5.161.218.233:3478
2025/02/15 16:29:23 netcheck: sent to 176.58.92.254:3478
2025/02/15 16:29:23 netcheck: sent to 43.245.49.144:3478
2025/02/15 16:29:23 netcheck: sent to 192.73.243.141:3478
2025/02/15 16:29:23 netcheck: sent to 176.58.90.104:3478
2025/02/15 16:29:23 netcheck: sent to 205.147.105.78:3478
2025/02/15 16:29:23 netcheck: sent to 45.159.97.233:3478
2025/02/15 16:29:23 netcheck: sent to 199.38.182.118:3478
2025/02/15 16:29:23 netcheck: sent to 208.111.40.216:3478
2025/02/15 16:29:23 netcheck: sent to 192.73.240.132:3478
2025/02/15 16:29:23 netcheck: sent to 208.72.155.133:3478
2025/02/15 16:29:23 netcheck: sent to 176.58.93.248:3478
2025/02/15 16:29:23 netcheck: sent to 43.245.48.220:3478
2025/02/15 16:29:23 netcheck: sent to 192.73.242.187:3478
2025/02/15 16:29:23 netcheck: sent to 167.235.72.200:3478
2025/02/15 16:29:23 netcheck: sent to 192.73.244.245:3478
2025/02/15 16:29:23 netcheck: sent to 43.245.49.105:3478
2025/02/15 16:29:23 netcheck: sent to 103.6.84.152:3478
2025/02/15 16:29:23 netcheck: sent to 45.159.98.196:3478
2025/02/15 16:29:23 netcheck: sent to 185.40.234.219:3478
2025/02/15 16:29:23 netcheck: sent to 68.183.90.120:3478
2025/02/15 16:29:23 netcheck: sent to 192.73.243.135:3478
2025/02/15 16:29:23 netcheck: sent to 176.58.92.144:3478
2025/02/15 16:29:23 netcheck: sent to 103.84.155.178:3478
2025/02/15 16:29:23 netcheck: sent to 209.177.156.94:3478
2025/02/15 16:29:23 netcheck: sent to 148.163.220.129:3478
2025/02/15 16:29:23 netcheck: sent to 185.34.3.232:3478
2025/02/15 16:29:23 netcheck: sent to 199.38.181.93:3478
2025/02/15 16:29:23 netcheck: sent to 178.156.152.106:3478
2025/02/15 16:29:23 netcheck: sent to 102.67.167.245:3478
2025/02/15 16:29:23 netcheck: sent to 176.58.90.147:3478
2025/02/15 16:29:23 netcheck: sent to 162.248.221.199:3478
2025/02/15 16:29:23 netcheck: sent to 192.73.252.65:3478
2025/02/15 16:29:23 netcheck: sent to 102.67.165.90:3478
2025/02/15 16:29:23 netcheck: sent to 208.83.234.151:3478
2025/02/15 16:29:23 netcheck: sent to 209.177.158.246:3478
2025/02/15 16:29:23 netcheck: sent to 45.159.97.144:3478
2025/02/15 16:29:23 netcheck: sent to 192.73.240.161:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 103.84.155.46:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 68.183.90.120:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 205.147.105.78:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 208.111.34.178:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 208.111.40.216:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 192.73.240.132:3478
2025/02/15 16:29:23 netcheck: sent to 43.245.49.83:3478
2025/02/15 16:29:23 netcheck: sent to 209.177.145.120:3478
2025/02/15 16:29:23 netcheck: sent to 192.73.243.229:3478
2025/02/15 16:29:23 netcheck: sent to 208.83.233.233:3478
2025/02/15 16:29:23 netcheck: sent to 45.159.97.61:3478
2025/02/15 16:29:23 netcheck: sent to 102.67.165.185:3478
2025/02/15 16:29:23 netcheck: sent to 148.163.220.134:3478
2025/02/15 16:29:23 netcheck: sent to 192.73.248.83:3478
2025/02/15 16:29:23 netcheck: sent to 49.12.193.137:3478
2025/02/15 16:29:23 netcheck: sent to 43.245.48.50:3478
2025/02/15 16:29:23 netcheck: sent to 178.156.152.91:3478
2025/02/15 16:29:23 netcheck: sent to 176.58.88.183:3478
2025/02/15 16:29:23 netcheck: sent to 209.177.158.15:3478
2025/02/15 16:29:23 netcheck: sent to 176.58.90.207:3478
2025/02/15 16:29:23 netcheck: sent to 45.159.98.253:3478
2025/02/15 16:29:23 netcheck: [v2] attempting to do captive portal detection on interface enx50fa84cf1a07
2025/02/15 16:29:23 netcheck: [v2] 5 available captive portal detection endpoints; trying 5
2025/02/15 16:29:23 netcheck: sent to 185.40.234.113:3478
2025/02/15 16:29:23 netcheck: sent to 162.248.221.215:3478
2025/02/15 16:29:23 netcheck: sent to 192.73.242.28:3478
2025/02/15 16:29:23 netcheck: sent to 176.58.93.147:3478
2025/02/15 16:29:23 netcheck: sent to 185.34.3.207:3478
2025/02/15 16:29:23 netcheck: sent to 102.67.167.37:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 103.84.155.178:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 43.245.48.250:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 208.72.155.133:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 162.248.221.248:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 176.58.93.154:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 192.73.243.141:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 199.38.181.104:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 185.40.234.77:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 68.183.90.120:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 49.13.204.141:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 209.177.156.197:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 103.6.84.152:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 192.73.252.65:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 45.159.98.145:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 192.73.240.161:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 178.156.152.106:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 209.177.158.246:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 148.163.220.210:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 162.248.221.199:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 199.38.181.93:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 192.73.243.135:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 209.177.156.94:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 176.58.93.248:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 102.67.165.36:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 167.235.72.200:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 45.159.98.196:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 185.40.234.219:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 43.245.48.220:3478
2025/02/15 16:29:23 netcheck: sent to 35.73.27.213:1203
2025/02/15 16:29:23 netcheck: sent to 35.73.27.213:1203
2025/02/15 16:29:23 netcheck: sent to 35.73.27.213:1203
2025/02/15 16:29:23 netcheck: received STUN packet from 209.177.158.15:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 178.156.152.91:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 43.245.48.50:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 148.163.220.129:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 162.248.221.215:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 209.177.145.120:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 102.67.167.188:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 192.73.243.229:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 185.40.234.113:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 45.159.98.253:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 49.12.193.137:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 102.67.167.245:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 176.58.93.147:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 148.163.220.134:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 35.73.27.213:1203
2025/02/15 16:29:23 netcheck: received STUN packet from 35.73.27.213:1203
2025/02/15 16:29:23 netcheck: received STUN packet from 35.73.27.213:1203
2025/02/15 16:29:23 netcheck: received STUN packet from 102.67.165.90:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 102.67.167.37:3478
2025/02/15 16:29:23 netcheck: received STUN packet from 102.67.165.185:3478
2025/02/15 16:29:23 netcheck: DetectCaptivePortal(found=false)
2025/02/15 16:29:26 netcheck: portMap done
2025/02/15 16:29:26 netcheck: [v1] report: udp=true v6=false v6os=true mapvarydest=true portmap= v4a=114.246.197.190:51975 captiveportal=false derp=900 derpdist=1v4:240ms,2v4:170ms,4v4:254ms,5v4:224ms,6v4:154ms,7v4:116ms,9v4:261ms,10v4:187ms,11v4:313ms,12v4:218ms,14v4:243ms,15v4:370ms,16v4:243ms,17v4:190ms,20v4:159ms,21v4:236ms,22v4:255ms,24v4:234ms,25v4:362ms,26v4:255ms,27v4:207ms,900v4:115ms
2025/02/15 16:29:26 netcheck: GetReport took 3.002s; err=<nil>
Report:
* Time: 2025-02-15T08:29:26.114241601Z
* UDP: true
* IPv4: yes, 114.246.197.190:51975
* IPv6: no, but OS has support
* MappingVariesByDestIP: true
* PortMapping:
* CaptivePortal: false
* Nearest DERP: hongkong
* DERP latency:
- jp1-1521: 114.9ms (derp900, hongkong)
- tok: 116.4ms (derp7, Tokyo)
- blr: 154ms (derp6, Bangalore)
- hkg: 158.9ms (derp20, Hong Kong)
- sfo: 169.8ms (derp2, San Francisco)
- sea: 186.8ms (derp10, Seattle)
- lax: 189.5ms (derp17, Los Angeles)
- iad: 207.4ms (derp27, Ashburn)
- ord: 217.6ms (derp12, Chicago)
- syd: 224.4ms (derp5, Sydney)
- hnl: 233.9ms (derp24, Honolulu)
- tor: 235.8ms (derp21, Toronto)
- nyc: 240.5ms (derp1, New York City)
- mia: 243.3ms (derp16, Miami)
- ams: 243.3ms (derp14, Amsterdam)
- fra: 254.4ms (derp4, Frankfurt)
- waw: 254.6ms (derp22, Warsaw)
- nue: 254.7ms (derp26, Nuremberg)
- dfw: 260.9ms (derp9, Dallas)
- sao: 313.1ms (derp11, São Paulo)
- nai: 362.3ms (derp25, Nairobi)
- jnb: 369.6ms (derp15, Johannesburg)
- sin: (derp3, Singapore)
- lhr: (derp8, London)
- den: (derp13, Denver)
- par: (derp18, Paris)
- mad: (derp19, Madrid)
- dbi: (derp23, Dubai)
香港和日本都试了，都差不错）这可能是什么原因？
我们学校校园网最早是可以打通的，最近可能拓扑变了。能p2p的时候是8mb/s。家宽上传应该是100M的
