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ER605 VPN Speed after firmware 2.3

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ER605 VPN Speed after firmware 2.3

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ER605 VPN Speed after firmware 2.3
ER605 VPN Speed after firmware 2.3
2025-06-25 17:18:01
Tags: #Firmware
Model: ER605 (TL-R605)  
Hardware Version: V2
Firmware Version: 2.3

Hello, I have noticed that since installing the latest firmware 2.3 VPN speeds have been cut in half. Wireguard previousely 120mbps OpenVPN 20mbps  Is anyone else experiencing this. Just to test I purchased another ER605 and installed the previous firmware. The previous speeds returned. Rolling back the firmware or trying to install the previous one failed so i had to resort to buying a new router.Has anyone else noticed this? or any suggestions

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5 Reply
Re:ER605 VPN Speed after firmware 2.3
2025-06-25 17:29:11 - last edited 2025-06-25 17:30:32

  @Mike876 on 2.2.6_20240718 i have 19mbps openvpn and 60mbps wireguard

and I dont want to install 2.3.0

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#2
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Re:ER605 VPN Speed after firmware 2.3
2025-06-25 18:10:57 - last edited 2025-06-25 18:14:16

  @Mike876 

 

I can confirm, All VPN has significantly lower speed.

 

but it is not necessary to buy a new router to downgrade :-), log in to the router with SSH and type enable, then roll-back

 

 

 

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#3
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Re:ER605 VPN Speed after firmware 2.3
2025-06-25 19:02:34
I can only roll back to the first beta .I even tried the emergency mode to install 2.2.6 but it failed
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#4
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Re:ER605 VPN Speed after firmware 2.3
2025-07-29 22:27:46

  @Mike876 

Just Upgraded to v2.3.0 firmware HardWare v2.0

NAT on L2TP VPN Client not working anymore, Very high CPU, I had to rollback to v2.2.6 firmware

I might needed to hard reset and config all manualy

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#5
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Re:ER605 VPN Speed after firmware 2.3
2025-08-09 09:23:41 - last edited 2025-08-09 09:27:41

I have a ER605 hardware version 2.20. firmware 2.3.0

There is a IPSec VPN tunnel between ER605 and Linksys LRT224.

The VPN speeds are matching the 50/10 Mbit of the LTR224 internet access limit. But sometimes the speed drops down to 20 kbit. After reboot of the ER605 the speed goes back to 50Mbit.

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