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RUT240: LAN cable unplugged / Terrible performance until reboot

0 votes
830 views 5 comments
by anonymous

I bought the Teltonika RUT240 to use in Bridge mode with Three.co.uk connect to my home Unifi network. It fixed my double NAT issue and performance is initially promising, but unfortunately it degrades quickly. Signal strength is reasonable, and it works nicely for about ten minutes or even up to an hour at a time, but then it just degrades to an unusable state. The IP lease time shouldn't be an issue, but the logs indicate "LAN cable unplugged / plugged" at regular intervals (even when the WAN IP hasn't changed) and at that point, it all breaks down, with only a reboot able to fix it. Any ideas why this is happening? Another thread suggested it's normal behaviour in order to force the connected router to recognise a new IP - but given the IP is usually the same, and the behaviour is precisely the opposite, I can't believe that would be true. 

Other details: Bridge mode - no other services enabled, user scripts installed, or packages. Running latest firmware according to the admin page, and 3.2.0 boot loader. Wi-Fi disabled. Accessing via direct IP, not RMS. 

Thanks in advance!
370 2020-02-06 09:12:49 Web UI Authentication was successful from HTTP WAN 10.21.104.190

369 2020-02-06 09:12:44 Web UI Authentication was not successful from HTTP WAN 10.21.104.190

368 2020-02-06 08:42:48 Web UI Authentication was successful from HTTP WAN 10.21.104.190

367 2020-02-06 08:31:42 Web UI Authentication was successful from HTTP WAN 10.21.104.190

366 2020-02-06 08:26:32 DHCP Leased 10.21.104.190 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

365 2020-02-06 08:26:29 Port LAN cable is plugged in

364 2020-02-06 08:26:23 Port LAN cable is unplugged

363 2020-02-06 08:25:50 DHCP Leased 10.1.239.249 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

362 2020-02-06 08:09:44 DHCP Leased 10.1.239.249 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

361 2020-02-06 08:09:03 DHCP Leased 10.86.165.71 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

360 2020-02-06 07:57:26 CONFIG Administration configuration has been changed

359 2020-02-06 07:53:45 DHCP Leased 10.86.165.71 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

358 2020-02-06 07:53:37 DHCP Leased 10.86.165.71 IP address for client - SecurityGateway in LAN

357 2020-02-06 07:53:34 CONFIG Wireless configuration has been changed

356 2020-02-06 07:53:34 CONFIG Firewall configuration has been changed

355 2020-02-06 07:52:54 Web UI Authentication was successful from HTTP WAN 10.86.165.71

354 2020-02-06 07:43:03 Web UI Authentication was successful from HTTP WAN 10.86.165.71

353 2020-02-06 07:39:40 DHCP Leased 10.86.165.71 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

352 2020-02-06 07:39:36 Port LAN cable is plugged in

351 2020-02-06 07:39:30 Port LAN cable is unplugged

350 2020-02-06 07:38:30 DHCP Leased 192.168.1.237 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

349 2020-02-06 07:38:27 Port LAN plugged in / Wired WAN connection non operational

348 2020-02-06 07:36:38 Reboot Request from Web UI

347 2020-02-06 07:36:19 Web UI Authentication was successful from HTTP LAN 192.168.1.158

346 2020-02-06 07:35:53 DHCP Leased 192.168.1.158 IP address for client D0:D2:B0:3D:20:67 - James-iphone-6 in WiFi

345 2020-02-06 07:22:43 Web UI Authentication was successful from HTTP LAN 192.168.1.158

344 2020-02-06 07:22:25 DHCP Leased 192.168.1.158 IP address for client D0:D2:B0:3D:20:67 - James-iphone-6 in WiFi

343 2020-02-06 07:11:18 DHCP Leased 100.113.173.51 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

342 2020-02-06 06:11:17 DHCP Leased 100.113.173.51 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

341 2020-02-06 05:11:17 DHCP Leased 100.113.173.51 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

340 2020-02-06 05:11:15 Port LAN cable is plugged in

339 2020-02-06 05:11:09 Port LAN cable is unplugged

338 2020-02-06 04:11:17 DHCP Leased 100.113.173.51 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

337 2020-02-06 03:11:17 DHCP Leased 100.113.173.51 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

336 2020-02-06 02:11:15 DHCP Leased 100.113.173.51 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

335 2020-02-06 02:11:14 Port LAN cable is plugged in

334 2020-02-06 02:11:09 Port LAN cable is unplugged

333 2020-02-06 01:11:16 DHCP Leased 100.113.173.51 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

332 2020-02-06 01:11:11 Port LAN cable is plugged in

331 2020-02-06 01:11:06 Port LAN cable is unplugged

330 2020-02-06 00:11:51 DHCP Leased 100.113.173.51 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

329 2020-02-06 00:11:09 DHCP Leased 10.143.129.202 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

328 2020-02-05 23:17:35 DHCP Leased 10.143.129.202 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

327 2020-02-05 22:17:32 DHCP Leased 10.143.129.202 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

326 2020-02-05 22:17:30 Port LAN cable is plugged in

325 2020-02-05 22:17:24 Port LAN cable is unplugged

324 2020-02-05 21:17:31 DHCP Leased 10.143.129.202 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

323 2020-02-05 21:17:26 Port LAN cable is plugged in

322 2020-02-05 21:17:21 Port LAN cable is unplugged

321 2020-02-05 20:18:45 DHCP Leased 10.143.129.202 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

320 2020-02-05 20:17:34 DHCP Leased 192.168.1.237 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

319 2020-02-05 20:17:30 Port LAN plugged in / Wired WAN connection non operational

318 2020-02-05 20:15:41 Reboot Request from Web UI

317 2020-02-05 20:14:18 Web UI Authentication was successful from HTTP LAN 192.168.1.118

316 2020-02-05 20:14:10 DHCP Leased 192.168.1.118 IP address for client F0:18:98:0A:8A:42 - macbookpro in WiFi

315 2020-02-05 20:11:39 DHCP Leased 10.56.50.201 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

314 2020-02-05 19:11:15 DHCP Leased 10.56.50.201 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

313 2020-02-05 19:11:12 Port LAN cable is plugged in

312 2020-02-05 19:11:06 Port LAN cable is unplugged

311 2020-02-05 18:11:15 DHCP Leased 10.56.50.201 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

310 2020-02-05 18:11:11 Port LAN cable is plugged in

309 2020-02-05 18:11:06 Port LAN cable is unplugged

308 2020-02-05 17:11:15 DHCP Leased 10.56.50.201 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

307 2020-02-05 17:11:13 Port LAN cable is plugged in

306 2020-02-05 17:11:08 Port LAN cable is unplugged

305 2020-02-05 16:13:17 Web UI Authentication was successful from HTTP LAN 192.168.1.118

304 2020-02-05 16:12:52 DHCP Leased 10.56.50.201 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

303 2020-02-05 16:12:47 DHCP Leased 192.168.1.118 IP address for client F0:18:98:0A:8A:42 - macbookpro in WiFi

302 2020-02-05 16:11:20 DHCP Leased 192.168.1.118 IP address for client F0:18:98:0A:8A:42 - macbookpro in LAN

301 2020-02-05 16:11:19 DHCP Leased 100.101.239.42 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

300 2020-02-05 16:11:19 DHCP Leased 192.168.1.118 IP address for client F0:18:98:0A:8A:42 - macbookpro in LAN

299 2020-02-05 16:07:27 Web UI Authentication was successful from HTTP LAN 192.168.1.118

298 2020-02-05 16:07:12 DHCP Leased 192.168.1.118 IP address for client F0:18:98:0A:8A:42 - macbookpro in WiFi

297 2020-02-05 16:07:03 DHCP Leased 100.101.239.42 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

296 2020-02-05 16:05:44 DHCP Leased 10.89.138.219 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

295 2020-02-05 15:52:00 DHCP Leased 10.89.138.219 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

294 2020-02-05 15:51:17 DHCP Leased 10.1.27.163 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

293 2020-02-05 15:34:23 DHCP Leased 10.1.27.163 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

292 2020-02-05 15:32:53 DHCP Leased 10.124.225.161 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

291 2020-02-05 15:32:52 DHCP Leased 192.168.1.118 IP address for client F0:18:98:0A:8A:42 - macbookpro in LAN

290 2020-02-05 15:32:52 DHCP Leased 192.168.1.118 IP address for client F0:18:98:0A:8A:42 - macbookpro in LAN

289 2020-02-05 14:53:58 DHCP Leased 10.124.225.161 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN

288 2020-02-05 14:53:50 DHCP Leased 10.124.225.161 IP address for client - SecurityGateway in LAN

287 2020-02-05 14:53:47 CONFIG Ping Reboot configuration has been changed

286 2020-02-05 14:53:47 CONFIG Network configuration has been changed

285 2020-02-05 14:53:46 CONFIG Firewall configuration has been changed

284 2020-02-05 14:52:50 Web UI Authentication was successful from HTTP LAN 192.168.1.118

283 2020-02-05 14:52:48 Web UI Authentication was successful from HTTP LAN 192.168.1.118
by anonymous
No ping response.

Sorry to say I've returned the product to Amazon. I work from home so having to climb into the loft and pull the power plug two or three times an hour sometimes was really not something I can endure.

1 Answer

0 votes
by anonymous

Hello,

please generate the troubleshoot file and send it to me via private message. Go to System → Administration → Troubleshoot.

by anonymous
Any updates on this, Marius?
by anonymous
Hello,

Perhaps you can see to what level the signal strength drops? Do you use one or two LTE antennas?

I check your configurations and see that everything is fine with them, lease time is standard.
However, when using Bridge mode, lease time depends on your mobile operator. Usually, the lease time on the operator side is set every hour or two hours.
by anonymous

I don't think it's the signal strength; I use both antenna ports to an external thing, not the supplied ones. Signal does drop, but its usually for a moment, then recovers fine. I dont think it's the lease either, as that regularly changes and keeps working. It's the LAN CABLE PLUGGED IN action that the modem seemingly initiates every so often. When that happens, it become inaccessible to web management too, and my only option is to physically power off and on the device to restart. How do we disable that behaviour?!

It happened again literally just now. 

959 2020-02-13 11:40:08 Port LAN cable is plugged in
958 2020-02-13 10:40:53 DHCP Leased 10.105.249.203 IP address for client FC:EC:DA:47:46:9E - SecurityGateway in LAN
by anonymous
when you can no longer access the product via WebUI, can you send it a ping command? Do you get a response from the router?

Can you try rewrite Firmware and uncheck “Keep all settings”:
https://wiki.teltonika.lt/view/RUT2xx_Firmware