Asus RT-N66U Firmware Recommendation

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komradekristoph
DD-WRT Novice


Joined: 23 Feb 2014
Posts: 12

PostPosted: Sat Nov 24, 2018 15:22    Post subject: Asus RT-N66U Firmware Recommendation Reply with quote
Hi all

I am looking to change the firmware on my router and was hoping for suggestions, what's the best firmware currently?

I am currently running the following:

Router Model - Asus RT-N66U

Firmware Version
DD-WRT v24-sp2 (02/04/15) mega - build 26138M

Kernel Version
Linux 3.10.67 #6285 Wed Feb 4 06:45:05 CET 2015 mips

Any advice is appreciated.
Sponsor
Per Yngve Berg
DD-WRT Guru


Joined: 13 Aug 2013
Posts: 5798
Location: Romerike, Norway

PostPosted: Sat Nov 24, 2018 20:28    Post subject: Reply with quote
Use the Big Builds. It has more features.

This is the latest: ftp://ftp.dd-wrt.com/betas/2018/11-23-2018-r37837/broadcom_K3X/dd-wrt.v24-37837_NEWD-2_K3.x-big-RT-N66U.trx

See the New Build topics for reports on successful installation on that model.
Spacefuzz
DD-WRT Novice


Joined: 04 May 2014
Posts: 4

PostPosted: Thu Dec 13, 2018 20:29    Post subject: Asus RT-N66U - r37837 firmware Reply with quote
I've been running r37837 for a couple weeks on my RT-N66U routers.

Here's my config:
o Host RT-N66U running as AP
-> 5GHz radio for Repeater Bridge
-> 2.4GHz radio for clients
-> 2.4GHz VAP Guest network

o Repeater Bridge RT-N66U
-> 5GHz radio for Repeater Bridge
-> 2.4GHz radio disabled
-> Multiple wired clients

I haven't been able to get wireless clients to stay reliably connected to RB, so I had to disable the 2.4GHz radio. Wired clients seem to be fine. However, when wireless clients associate to Host, they get a 1 or 2 second drop every 2 minutes. Mobile phones flag my wireless as "Internet not available" and frequently flip back to cellular data. I've rebooted multiple times. No improvement. Guest VAP seems to work for whatever short period users need it, but it isn't used often. I'm looking for another firmware version now.

If you have success with 37837 on your RT-N66U, let us know--and post your setup.
lazardo
DD-WRT User


Joined: 17 Apr 2014
Posts: 102
Location: SF Bay Area

PostPosted: Sun Dec 30, 2018 0:43    Post subject: Re: Asus RT-N66U Firmware Recommendation Reply with quote
komradekristoph wrote:
Hi all

I am looking to change the firmware on my router and was hoping for suggestions
...
Router Model - Asus RT-N66U
...


Builds 35531 and 34311 are solid, builds prior to 33678 are missing KRACK patches and should be avoided.

Newer builds will work but may have quirks depending on your particular setup configuration, eg, VAPs.

Search for a combination of 'new build' 'bs' 'broadcom' (search engine, not forum), read postings with more than 2 pages of feedback.


Last edited by lazardo on Sun Dec 30, 2018 18:11; edited 2 times in total
Dr_K
DD-WRT User


Joined: 23 Mar 2018
Posts: 442

PostPosted: Sun Dec 30, 2018 1:49    Post subject: Re: Asus RT-N66U Firmware Recommendation Reply with quote
lazardo wrote:
build 35531 is solid but pre-KRACK if that makes a difference


Please do share your sourse of information to support this nonsense

Hear is just one of mine

https://svn.dd-wrt.com/ticket/6005#comment:11

I'll put in more effort and show more if your info bears any merit

_________________
Location 1
R6300V2- DD-WRT v3.0-r39345M kongac (04-03-19) Gateway
WNDR3400v1 DD-WRT.v3.0-r35531_mega-nv64k (03/26/18 ) Access Point
WRT160Nv3 DD-WRT ?v3?.0-r35531 mini (03/26/18 ) Access Point
WRT54GSv5 DD-WRT v24-r33555_micro_generic (10/20/17) Repeater
Location 2
R6300V2- DD-WRT v3.0-r39345M kongac (04/03/19) Gateway
R6300V2- DD-WRT v3.0-r39345M kongac (04/03/19) Access Point
WNDR3700v2 DD-WRT v3.0-r35531 std (03/26/18 ) Access Point
E1200 v2 DD-WRT v3.0-r35531 mega-nv64k (03/26/18 ) Gateway(for trivial reasons)
2 devices: SXT 5 ac (mipsbe) RB 6.46.4 (2/21/20) PTP Bridge (0.8km/0.5mi)tx/rx866.6Mbps-1GbpsLAN


Thank You BrainSlayer & <Kong> for ALL that you do & have done, also to "most" everyone here that shares their knowledge
Per Yngve Berg
DD-WRT Guru


Joined: 13 Aug 2013
Posts: 5798
Location: Romerike, Norway

PostPosted: Sun Dec 30, 2018 8:43    Post subject: Reply with quote
https://www.pcworld.com/article/3233308/security/krack-wi-fi-security-flaw-faq-tips.html
lazardo
DD-WRT User


Joined: 17 Apr 2014
Posts: 102
Location: SF Bay Area

PostPosted: Mon Dec 31, 2018 19:25    Post subject: Re: Asus RT-N66U Firmware Recommendation Reply with quote
Dr_K wrote:
lazardo wrote:
build 35531 is solid but pre-KRACK if that makes a difference
...


Good catch, private Zombie Day for me, corrected in place.

Cheers,
ccddwrtsr
DD-WRT Novice


Joined: 24 Jan 2019
Posts: 8

PostPosted: Thu Jan 24, 2019 23:20    Post subject: Reply with quote
For the ASUS RT-N66U with oem firmware 3.0.0.4.260, hardware B1, which is the safest/most featured stable dd-wrt firmware you would recommend?

What is bad about the oem firmware? Is it buggy or unsafe, does it have backdoors or why should I use dd-wrt?

Thank you!
ian5142
DD-WRT Guru


Joined: 23 Oct 2013
Posts: 2154
Location: Canada

PostPosted: Fri Jan 25, 2019 4:23    Post subject: KRACK Reply with quote
KRACK is patched in DD-WRT, it may not be in the OEM firmware. If you really want to risk that, go ahead. Also, DD-WRT is using a newer kernel I believe.

DD-WRT also has SFE, Shortcut Forwarding Engine. Should be disabled (at the moment) if you are using QoS, due to issues. Info on SFE is here: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=310677 (see the third post for a link explaining what it is).

_________________
Before asking a question on the forums, update dd-wrt: Where do I download firmware? I suggest reading it all.

Some dd-wrt wiki pages are up to date, others are not. PM me if you find an old one, I am trying to update them.

Atheros:
Netgear R7800 - gateway, DHCP, QoS, VPN
TP-Link Archer C7 v2 x2 - WDS AP, WDS Station
TP-Link TL-WDR3600 v1 - WDS Station
TP-Link 841nd v8 - WDS Station
D-Link 615 C1 x 4 - not used
D-Link 615 E3 x 2 - not used
D-Link 825 B1 - WDS Station
D-Link 862L A1 x2 - WDS Station
Netgear WNDR3700v2 - WDS Station
UBNT loco M2 x2 - airOS

Broadcom
Asus N66U - backup Gateway
Netgear r6300 v1 - AP
Linksys E2500 - not used
Linksys EA2700 - not used
Linksys 160N v3 x2 - not used
Netgear WNDR3700v3 - not used
MediaTek
UBNT EdgeRouter X - not used
ccddwrtsr
DD-WRT Novice


Joined: 24 Jan 2019
Posts: 8

PostPosted: Mon Jan 28, 2019 23:57    Post subject: Re: KRACK Reply with quote
ian5142 wrote:
KRACK is patched in DD-WRT, it may not be in the OEM firmware. If you really want to risk that, go ahead. Also, DD-WRT is using a newer kernel I believe.

DD-WRT also has SFE, Shortcut Forwarding Engine. Should be disabled (at the moment) if you are using QoS, due to issues. Info on SFE is here: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=310677 (see the third post for a link explaining what it is).


Thanks for the hint re KRACK, especially useful, since ASUS does not seem to have a changelog re their firmware!
Smile

Now I wonder, what the largest supported MicroSD card is, and at what write speed?
If it runs on a USB port (hopefully 3.0+), then maybe one could put in an SSD?
Or am I getting the concept wrong here (not read up on it at all)?
ian5142
DD-WRT Guru


Joined: 23 Oct 2013
Posts: 2154
Location: Canada

PostPosted: Tue Jan 29, 2019 13:59    Post subject: MicroSD Reply with quote
It probably supports large microSD cards (it has a built-in card slot on the board itself). It is most likely via USB 2.0 or something similar (not sure myself). You can run a SSD into one of the USB 2.0 ports on the outside of the case though. It should run near max USB 2.0 speed.
_________________
Before asking a question on the forums, update dd-wrt: Where do I download firmware? I suggest reading it all.

Some dd-wrt wiki pages are up to date, others are not. PM me if you find an old one, I am trying to update them.

Atheros:
Netgear R7800 - gateway, DHCP, QoS, VPN
TP-Link Archer C7 v2 x2 - WDS AP, WDS Station
TP-Link TL-WDR3600 v1 - WDS Station
TP-Link 841nd v8 - WDS Station
D-Link 615 C1 x 4 - not used
D-Link 615 E3 x 2 - not used
D-Link 825 B1 - WDS Station
D-Link 862L A1 x2 - WDS Station
Netgear WNDR3700v2 - WDS Station
UBNT loco M2 x2 - airOS

Broadcom
Asus N66U - backup Gateway
Netgear r6300 v1 - AP
Linksys E2500 - not used
Linksys EA2700 - not used
Linksys 160N v3 x2 - not used
Netgear WNDR3700v3 - not used
MediaTek
UBNT EdgeRouter X - not used
jwh7
DD-WRT Guru


Joined: 25 Oct 2013
Posts: 2590
Location: Indy

PostPosted: Tue Jan 29, 2019 15:20    Post subject: Re: KRACK Reply with quote
ccddwrtsr wrote:
If it runs on a USB port (hopefully 3.0+), then maybe one could put in an SSD?
Unfortunately, the N66U only has USB 2.0 (except the C1 rev that isn't supported by DD, but has a 3.0 and 2.0 port).
_________________
# NAT/SFE/CTF: limited speed w/ DD # Repeater issues # DD-WRT info: FAQ, Builds, Types, Modes, Changes, Demo #
x64 OPNsense 20.7.3|FT2020.6: EA6900v1.1@1GHz, F7D8302@532|DD 44528: DIR-810L, WNDR4500v2 & 4000@533,
R6300v1, RT-N66U@663, E1500@353, WRT54G{Lv1.1,Sv6}@250
|OpenWRT 19.7.3: RT-ACRH13, R6220, WNDR3700v4
ccddwrtsr
DD-WRT Novice


Joined: 24 Jan 2019
Posts: 8

PostPosted: Tue Jan 29, 2019 21:27    Post subject: Re: KRACK Reply with quote
ian5142 wrote:
It probably supports large microSD cards (it has a built-in card slot on the board itself). It is most likely via USB 2.0 or something similar (not sure myself). You can run a SSD into one of the USB 2.0 ports on the outside of the case though. It should run near max USB 2.0 speed.

Thanks, will check out how large MicroSD card it can take (maybe some user reports will tell). With the USB's being only 2.0, probly SSHD/JBOD will do perhaps enough re speed. Thanks for your advice!

jwh7 wrote:
ccddwrtsr wrote:
If it runs on a USB port (hopefully 3.0+), then maybe one could put in an SSD?
Unfortunately, the N66U only has USB 2.0 (except the C1 rev that isn't supported by DD, but has a 3.0 and 2.0 port).

Ah, good hint, not sure how to tell C1, only know it says "hardware B1" on the cover bottom, is that the revision indication?
ian5142
DD-WRT Guru


Joined: 23 Oct 2013
Posts: 2154
Location: Canada

PostPosted: Tue Jan 29, 2019 21:31    Post subject: Hardware Revision Reply with quote
Yes, your hardware is B1 then.
_________________
Before asking a question on the forums, update dd-wrt: Where do I download firmware? I suggest reading it all.

Some dd-wrt wiki pages are up to date, others are not. PM me if you find an old one, I am trying to update them.

Atheros:
Netgear R7800 - gateway, DHCP, QoS, VPN
TP-Link Archer C7 v2 x2 - WDS AP, WDS Station
TP-Link TL-WDR3600 v1 - WDS Station
TP-Link 841nd v8 - WDS Station
D-Link 615 C1 x 4 - not used
D-Link 615 E3 x 2 - not used
D-Link 825 B1 - WDS Station
D-Link 862L A1 x2 - WDS Station
Netgear WNDR3700v2 - WDS Station
UBNT loco M2 x2 - airOS

Broadcom
Asus N66U - backup Gateway
Netgear r6300 v1 - AP
Linksys E2500 - not used
Linksys EA2700 - not used
Linksys 160N v3 x2 - not used
Netgear WNDR3700v3 - not used
MediaTek
UBNT EdgeRouter X - not used
ccddwrtsr
DD-WRT Novice


Joined: 24 Jan 2019
Posts: 8

PostPosted: Tue Jan 29, 2019 22:11    Post subject: Re: Hardware Revision Reply with quote
ian5142 wrote:
Yes, your hardware is B1 then.

Thank you for the confirmation!
Smile
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