Speed issues with netgear R7800

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Frakko
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Joined: 06 May 2016
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PostPosted: Tue Nov 05, 2024 11:47    Post subject: Speed issues with netgear R7800 Reply with quote
Hello,
or done numerous tests to be able to get a speed at least equal to the ZTE that the provider gave me. At most I can have a speed equal to half. ZTE 934mips Netgear R7800 504mips. It is true that I have VLANs active but it is also true that the ZTE processor is single. I attach the CFG to understand what is wrong, if any, in my configuration. Thank you.
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ho1Aetoo
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Joined: 19 Feb 2019
Posts: 3427
Location: Germany

PostPosted: Tue Nov 05, 2024 12:07    Post subject: Reply with quote
https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=1308153#1308153

I don't understand what questions are still open, I have already posted the current speeds in the other thread.

The router does not manage 1000Mbit.
Not with kernel 6 and not without tricks like SFE/NSS.

If this is too slow for you then you have to flash an old kernel 4 build or buy a router with more CPU power.

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VLAN configuration via GUI - 2 CPU ports (R7800, EA8500 etc)

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Frakko
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Joined: 06 May 2016
Posts: 562

PostPosted: Tue Nov 05, 2024 15:40    Post subject: Reply with quote
ho1Aetoo wrote:
https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=1308153#1308153

I don't understand what questions are still open, I have already posted the current speeds in the other thread.

The router does not manage 1000Mbit.
Not with kernel 6 and not without tricks like SFE/NSS.

If this is too slow for you then you have to flash an old kernel 4 build or buy a router with more CPU power.


Thank you for your reply. I'd rather have it updated. Can you tell me what tricks there are to improve performance? In any case, what is the latest version with kernel 4?
ho1Aetoo
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Joined: 19 Feb 2019
Posts: 3427
Location: Germany

PostPosted: Tue Nov 05, 2024 16:16    Post subject: Reply with quote
SFE = Shortcut forwarding Engine
NSS= Network SubSystem

However, it does not work properly with various configurations.
ordinary QoS does not work
there are problems with unbridged network interfaces (e.g. VAPs)
general stability problems (router crashes and reboots)

I don't know, I don't use it.
My gateway has enough CPU power for several Gbit

Quote:
In any case, what is the latest version with kernel 4?


See link - r53562

_________________
Quickstart guides:
use Pi-Hole as simple DNS-Server with DD-WRT
VLAN configuration via GUI - 1 CPU port
VLAN configuration via GUI - 2 CPU ports (R7800, EA8500 etc)

Routers
Marvell OCTEON TX2 - QHora-322 - OpenWrt 23.05.3 - Gateway
Qualcomm IPQ8065 - R7800 - DD-WRT - WAP
kernel-panic69
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Joined: 08 May 2018
Posts: 15395
Location: Texas, USA

PostPosted: Tue Nov 05, 2024 21:26    Post subject: Reply with quote
Last K4.9 R7800 build
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Frakko
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Joined: 06 May 2016
Posts: 562

PostPosted: Wed Nov 06, 2024 7:55    Post subject: Reply with quote
Are these problems being resolved or will they remain so for a long time Question
Bye
stalonge
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Joined: 21 Jul 2006
Posts: 1939
Location: Fortaleza Ce Brazil

PostPosted: Wed Nov 06, 2024 9:10    Post subject: Reply with quote
for some unknown reason , Samba doesnt work with K 6.1 , for use samba i need to downgrade to last K4.9 to run a samba server.

Very Happy Very Happy

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Frakko
DD-WRT Guru


Joined: 06 May 2016
Posts: 562

PostPosted: Wed Nov 06, 2024 11:00    Post subject: Reply with quote
I understand that a switch from one kernel to another always brings problems, sometimes deep, because environment variables change, more or less important functions that generate unexpected errors. The hope is that they can be solved. Unfortunately, there are some things that remain very useful and currently unavailable. Open source has this limitation.
Do you think there are predictable times or are they without timing?
ho1Aetoo
DD-WRT Guru


Joined: 19 Feb 2019
Posts: 3427
Location: Germany

PostPosted: Wed Nov 06, 2024 11:18    Post subject: Reply with quote
SFE has been around for many years (~6) and has always had such restrictions.
What is new is the performance degradation with kernel 6 - nobody knows if this can be fixed.

Maybe you should also read the forum instead of just asking questions because the whole issue has been hotly debated since the kernel 6 images

_________________
Quickstart guides:
use Pi-Hole as simple DNS-Server with DD-WRT
VLAN configuration via GUI - 1 CPU port
VLAN configuration via GUI - 2 CPU ports (R7800, EA8500 etc)

Routers
Marvell OCTEON TX2 - QHora-322 - OpenWrt 23.05.3 - Gateway
Qualcomm IPQ8065 - R7800 - DD-WRT - WAP
Frakko
DD-WRT Guru


Joined: 06 May 2016
Posts: 562

PostPosted: Sat Nov 09, 2024 6:35    Post subject: Reply with quote
After so long I had hoped there would be news.
Bye.
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