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Vigor 3910 and FW 4.3.1.1/v22 auto restart , stability problem

  • stratoliner
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26 Jul 2022 07:15 #101468 by stratoliner
After updating FW from 3.9.7.2 to 4.3.1.1 I have problems with the stability of the router:
- it restarts itself. Up Time is for several hours. It was weeks before the update.
- once after such launch, there was no contact (data exchange) with the VPN networks even though the VPNs were connected! Hard restart helped.

I checked the reboot time in the Log Server (another machine) and I have:


10.10.1.250 Jul 22 23:49:57 local0 info Tulce [FILTER][Pass][WAN->LAN/RT/VPN, 24:56:58 ][@S:R=51:1, 31.184.198.71:36881->77.65.XX.XX8:22][TCP][HLen=20, TLen=40, Flag=A, Seq=3266744084, Ack=4053789795, Win=64400]
10.10.1.250 Jul 22 23:49:57 local0 info Tulce [FILTER][Pass][WAN->LAN/RT/VPN, 24:56:58 ][@S:R=51:1, 31.184.198.71:36881->77.65.XX.XX8:22][TCP][HLen=20, TLen=40, Flag=A, Seq=3266744084, Ack=4053789845, Win=64350]
10.10.1.250 Jul 22 23:49:57 local0 info Tulce [FILTER][Pass][WAN->LAN/RT/VPN, 24:56:58 ][@S:R=51:1, 31.184.198.71:36881->77.65.XX.XX8:22][TCP][HLen=20, TLen=40, Flag=A, Seq=3266744084, Ack=4053789846, Win=64350]
10.10.1.250 Jul 22 23:49:57 local0 info Tulce [FILTER][Pass][WAN->LAN/RT/VPN, 24:56:58 ][@S:R=51:1, 31.184.198.71:33559->77.65.XX.X10:22][TCP][HLen=20, TLen=204, Flag=AP, Seq=1104448351, Ack=4180041352, Win=63113]
10.10.1.250 Jan 1 00:00:13 local2 info Tulce Local User (MAC=FC-EC-DA-19-DA-2C): 192.168.1.71 DNS -> 192.168.1.1 inquire 0.ubnt.pool.ntp.org
10.10.1.250 Jan 1 00:00:15 local2 info Tulce Local User (MAC=24-5E-BE-43-3D-BE): 10.10.1.90 DNS -> 8.8.8.8 inquire s3.eu-central-1.wasabisys.com
10.10.1.250 Jan 1 00:00:15 local0 info Tulce [FILTER][Pass][LAN/RT/VPN->WAN, 0:00:21 ][@S:R=51:1, 10.10.1.74:1024->194.146.251.101:123][UDP][HLen=20, TLen=76]
10.10.1.250 Jan 1 00:00:15 local2 info Tulce Local User (MAC=00-15-65-1B-CD-20): 10.10.1.74:1024 -> 194.146.251.101:123 (UDP)
10.10.1.250 Jan 1 00:00:15 local0 info Tulce [FW_Session][Pass][12/150000][@S:R=51:1, 10.10.1.74:1024->194.146.251.101:123]
10.10.1.250 Jan 1 00:00:15 local0 info Tulce [FILTER][Pass][LAN/RT/VPN->WAN, 0:00:21 ][@S:R=51:1, 10.10.1.5:49899->77.65.XX.XXX:2222][TCP][HLen=20, TLen=52, Flag=S, Seq=589409585, Ack=0, Win=8192]

Download LOG:

https://mega.nz/file/nrI1AbQS#B7rMQ1z9SXkltsBiQpN9SIatmiaqKfIYWkJECU69We0

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  • stratoliner
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26 Jul 2022 08:20 #101469 by stratoliner
I found the RC version on the Taiwanese website.
I updated. We'll see if it helps.

4.3.2_RC3 r220_3406_a5060ec/v23

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27 Jul 2022 15:34 #101474 by rolandrat
It doesnt, it makes it worse!

https://forum.draytek.co.uk/viewtopic.php?t=23586&start=160

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25 Aug 2022 16:13 #101655 by admin2
Thank you for the reports regarding 4.3.2_RC3 firmware. There are a couple of memory related issues in 4.3.2_RC3 that are fixed in the 4.3.2_RC5a firmware. One is related to SSL VPN and the other Wireguard.

4.3.2 RC5a can be downloaded from:
https://www.draytek.co.uk/download/support/Vigor3910_v4.3.2_RC5a.zip

If 4.3.1.1 is working for you then that's the recommended release version (4.3.1.1 link below) but I wanted to mention 4.3.2RC5a for anyone who'd tried 4.3.2_RC3.
https://www.draytek.co.uk/support/downloads/vigor-3910/send/773-vigor-3910/2593-v3910-4311

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25 Aug 2022 16:43 #101658 by rolandrat
Been on it since this morning, nothing to report so far. Memory use has stayed stable and I do have a 24/7 SSL vpn connection going.

Edit: Ive gone back to 4.3.1 as stability problems with the 2.5Gbe connections, my laptop wouldnt connect kept starting and dropping where as before it was fine, memory had also gone from 68% to 74% in less than a day, which may be fine, but I couldnt take the risk.

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26 Aug 2022 20:04 #101667 by thepit
have you tried setting back to default then reloading your backup configurations?

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