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Standard User Banger
(eat-sleep-adslguide) Mon 06-Jul-20 01:17:59
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My Journey with Asus routers


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I bought a DSL-N55U in 2015 on recommendation of someone on this forum. It was ok as a modem/router but excellent as a router. I converted the it into a pure router in 2015 and never looked back. Wifi has been rock solid over the past 5 years but security updates stopped in 2016 with a beta firmware where a few security holes were fixed.

Having had good service from the hardware of the N55U I decided to upgrade to faster wifi as I had purchased a laptop with ac wifi and the N55U is only N. After trying the ZyXel VMG3925-B10A (second hand) and VMG-8924-B10A both had weak wifi performance. So I decided to buy new as I had no come back on Second hand out of manufacture routers.

So I intially went for RT-AC58U but after a week found the wifi unreliable and TV streaming was dropping out. So I did some research and located a review that recommended the RT-AC1200G+ so sent the AC58 back for refund and bought the 1200G+ in Feb.

Every now and then when downloading a 1gb file on the 1200G+ on a wired connection it would get to 886mb then the PPP session would drop. This was usually after the router had been idle overnight. I could then download the same 1gb file after the PPP session had re-connected several time and it was fine.

This became annoying when I was trying to update my laptop to Windows 10 2004 over wifi as it would download updates but the PPP session would fall over and the setup would fail so I decided after advice from Asus Technical support to return the 1200G+ for replacement. Which I did.

The replacement turned up on Saturday gone, (kudos Amazon) and has been on test since then. I did a basic Quick setup not using any of the advanced features like IPV6 or QoS. So far so good. After lots of testing the PPP session has stayed up through lots of large downloads and large file transfers over wifi which would also make the last one fall over too. I will test for a week before I start changing configuration gradually but I have noticed that when downloading on the faulty 1200G+, CPU use on the router was 100% but with this basic config and the new router the CPU use is 20% when downloading the same 1gb file.

The testing continues, so far so good.

Tim
www.uno.net.uk & freenetname
Asus RT-AC1200G+ and ZyXEL VMG1312-B10A Bridge on 80/20 Meg Fibre
Speed Test

Current Sync: 79993/19661

BQM
Standard User jchamier
(eat-sleep-adslguide) Mon 06-Jul-20 08:03:18
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Re: My Journey with Asus routers


[re: Banger] [link to this post]
 
Some of the advanced features have to look at every packet going through the router. This uses a lot of CPU. When these are off, the router uses something called "acceleration" which moves the packets without using the main CPU.

20 years of broadband connectivity since 1999 trial - Live BQM
Standard User Banger
(eat-sleep-adslguide) Mon 06-Jul-20 11:09:12
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Re: My Journey with Asus routers


[re: jchamier] [link to this post]
 
Thanks for the info that would explain CPU use.

Edit: Enabling QoS makes the CPU jump to 80-90% when downloading a 1gb file.

Tim
www.uno.net.uk & freenetname
Asus RT-AC1200G+ and ZyXEL VMG1312-B10A Bridge on 80/20 Meg Fibre
Speed Test

Current Sync: 79993/19661

BQM

Edited by Banger (Mon 06-Jul-20 11:25:47)


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Standard User Banger
(eat-sleep-adslguide) Mon 06-Jul-20 18:42:29
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Re: My Journey with Asus routers


[re: Banger] [link to this post]
 
Do I need QoS on a 60mbps line?

Tim
www.uno.net.uk & freenetname
Asus RT-AC1200G+ and ZyXEL VMG1312-B10A Bridge on 80/20 Meg Fibre
Speed Test

Current Sync: 79993/19661

BQM
Standard User jchamier
(eat-sleep-adslguide) Mon 06-Jul-20 18:56:53
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Re: My Journey with Asus routers


[re: Banger] [link to this post]
 
In reply to a post by Banger:
Do I need QoS on a 60mbps line?

QoS is useful when you have a lot of people in your home using high load (e.g. all watching netflix) and you want to balance their download with upload e.g. sending emails.

I've never used it.

20 years of broadband connectivity since 1999 trial - Live BQM
Standard User Banger
(eat-sleep-adslguide) Mon 06-Jul-20 19:37:50
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Re: My Journey with Asus routers


[re: jchamier] [link to this post]
 
Many thanks.

Tim
www.uno.net.uk & freenetname
Asus RT-AC1200G+ and ZyXEL VMG1312-B10A Bridge on 80/20 Meg Fibre
Speed Test

Current Sync: 79993/19661

BQM
Standard User Banger
(eat-sleep-adslguide) Tue 07-Jul-20 23:16:11
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Re: My Journey with Asus routers


[re: Banger] [link to this post]
 
Well I have tested a 1gb download while transferring 4gb over wifi and so far it seems stable, little bit of a slowdown on the 1gb file when uploading over wifi but no problem when downloading over wifi the 1gb remained constant speed.

Tim
www.uno.net.uk & freenetname
Asus RT-AC1200G+ and ZyXEL VMG1312-B10A Bridge on 80/20 Meg Fibre
Speed Test

Current Sync: 79993/19661

BQM
Standard User Banger
(eat-sleep-adslguide) Wed 08-Jul-20 21:55:14
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Re: My Journey with Asus routers


[re: Banger] [link to this post]
 
Further info after 2 days uptime downloads slow down to about 44mbps and after a reboot back to 65 mbps. Going to try another 2 day uptime see if it is repeatable.

Tim
www.uno.net.uk & freenetname
Asus RT-AC1200G+ and ZyXEL VMG1312-B10A Bridge on 80/20 Meg Fibre
Speed Test

Current Sync: 79993/19661

BQM
Standard User Banger
(eat-sleep-adslguide) Fri 10-Jul-20 21:58:09
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Re: My Journey with Asus routers


[re: Banger] [link to this post]
 
Further thinking I have 3 options at this point. If the 1200G fails to download at full speed after 2 days, I can turn my ZyXel modem into a router and use the 1200G as an access point. Or use the reboot scheduler once a day for the 1200G as a router. The third option is for Asus to fix the firmware which may take a while if at all.

Tim
www.uno.net.uk & freenetname
Asus RT-AC1200G+ and ZyXEL VMG1312-B10A Bridge on 80/20 Meg Fibre
Speed Test

Current Sync: 79993/19661

BQM
Standard User Highland76
(member) Fri 10-Jul-20 22:19:50
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Re: My Journey with Asus routers


[re: Banger] [link to this post]
 
Or maybe buy a better Asus router such as the RT-AC86U?

BT Business FTTP 330/50 -- Netgear RAX200
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