New Build - 07/22/2021 - r47086

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kernel-panic69
DD-WRT Guru


Joined: 08 May 2018
Posts: 12482
Location: Texas, USA

PostPosted: Thu Jul 22, 2021 15:59    Post subject: New Build - 07/22/2021 - r47086 Reply with quote
[WARNING]: This thread is only for feedback on this beta release for developers and the community's benefit.
DO NOT flash this beta release unless you understand the risks involved and device specific recovery methods.
Avoid discussions! Create threads for questions, general problems or use search; this thread is not for support.
Please list router model & revision, operating & wireless mode(s) and exact filename/firmware image flashed.


Downloads: (DD-WRT website) HTTPS & FTP (try another if a link does not work)

CLI Flash: 'cd /tmp' then 'wget {file URL}' (or 'curl -k {file URL} -o {file}') with http (not https) or ftp. Then 'write {file} linux'.

Repository: Trac SVN changelog since last build r47040 (GitHub mirror)

Notes:
OpenVPN 2.5.3: Guides, Server, PBR, Reverse PBR, Client (see second post), Kill Switch, update tips, scripts and more.
WireGuard 1.0.20210606/Tools: Guides, Client, Server, Advanced, PBR, KS, update tips, scripts & more. Thanks BS & egc!
• CVE-2019-14899 VPN fix (applicability depends on VPN setup) and GUI toggle since r41813.
SmartDNSMiniDLNAUnboundCoovaChilliOpenSSLdnsmasqPrivoxyTorSquidFreeRADIUSiperf3 cake
In-kernel Samba (ksmbd 3.3.9+): default min/max versions changed. • WSD updateANTFS/NTFS3 kernel mode driver++
CVE-2020-26147, CVE-2020-24586, CVE-2020-24587 & CVE-2020-24588 (Fragattack) fixed.
• "Assign WAN port to Switch" feature removed to be reworked in a future release.

Issues:
• Show us your findings with steps to reproduce, configuration, output, logs and important information below!

Important:
• For issues provide applicable info: 'dmesg', 'cat /tmp/var/log/messages', syslog, klog, serial, strace, tcpdump, wireshark etc.
• Any firewall NAT or WAN issues, show output: 'iptables -vnL', 'iptables -t nat -vnL', 'iptables -t mangle -vnL' and /tmp/.ipt file.
• Search SVN tickets & discuss in forum before opening. Before reporting: reset & manually set up, not restore from a backup.
• Please include operating & wireless modes (e.g. Gateway, Router, AP, CB, WDS, Mesh) & relevant configuration information.

Example Template:
Code:
[b]Router/Version: [/b]
[b]File/Kernel: [/b]
[b]Previous/Reset: [/b]
[b]Mode/Status: [/b]
[b]Issues/Errors: [/b]

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Monza
DD-WRT User


Joined: 01 Jul 2018
Posts: 367

PostPosted: Thu Jul 22, 2021 19:38    Post subject: Reply with quote
Upgraded WRT1200AC v1's from r47074 to r47086 using Brave 1.10.97 (64-bit) running on Linux Mint 20.2 OS hardwired via Cat6.

Successful update and reboot. No reset, nothing disabled prior to update, uptime approx 3+ hrs, wired/wireless connected, vpn up immediately (Expressvpn). SFE, QoS and IPv6 are always disabled. OpenVPN client/DNSMasq and radios always enabled. I do not have any Apple devices. I do not use NAS.

Kernel Version Linux 4.9.276 #2755 SMP Thu Jul 22 01:23:52 +07 2021 armv7l

No issues with a routine update session.
tom2tom
DD-WRT Novice


Joined: 24 May 2020
Posts: 19

PostPosted: Sat Jul 24, 2021 2:11    Post subject: Reply with quote
Upgraded WRT1900AC v1 from r44048 to r47086 via web interface

No issues with the upgrade.

Successful update and reboot.
No reset
run time - 12 hours +

Wired connections - no issues
Wifi connections - disconnected after about an hour. Disabled and enabled wifi on mobile works okay.

However changed the default Beacon Interval to 100 and the DTIM Interval to 2

currently no wireless drop out - running 6hrs +
Very Happy
raywan
DD-WRT User


Joined: 16 Jun 2020
Posts: 56

PostPosted: Sat Jul 24, 2021 9:41    Post subject: Reply with quote
Router/Version: Linksys WRT32x
File/Kernel: DD-WRT v3.0-r47086 std (07/22/21) Linux 4.9.276 #2755 SMP Thu Jul 22 01:23:52 +07 2021 armv7l
Previous/Reset: 07-20-2021-r47074/
Mode/Status: AP only
Issues/Errors: Uptime 17 hours without any problem. Reboot after boot update. 2.4/5GHz works normal
Rickers
DD-WRT User


Joined: 10 May 2015
Posts: 56

PostPosted: Sat Jul 24, 2021 15:11    Post subject: Reply with quote
tom2tom wrote:
Upgraded WRT1900AC v1 from r44048 to r47086 via web interface

No issues with the upgrade.

Successful update and reboot.
No reset
run time - 12 hours +

Wired connections - no issues
Wifi connections - disconnected after about an hour. Disabled and enabled wifi on mobile works okay.

However changed the default Beacon Interval to 100 and the DTIM Interval to 2

currently no wireless drop out - running 6hrs +
Very Happy

Hi, I have the same router as you. Been up five minutes on this version. I looked at the two settings you mentioned thinking I would try them if I had an issue. However, my default values for those two are 100 and 2. If I do a factory reset, they are still 100 and 2.

Are your values something else by default? Looks like those settings are only on the physical interfaces.
Rick
Justanotherbrokenrouter
DD-WRT User


Joined: 27 Apr 2019
Posts: 166

PostPosted: Sat Jul 24, 2021 15:45    Post subject: Reply with quote
Rickers wrote:
Are your values something else by default? Looks like those settings are only on the physical interfaces.
Rick


Beacon Interval 100, and DTIM Interval 2 are the defaults settings. Changing these settings never help my WRT3200ACM wifi interface with devices any better. Picking another wifi channel is the better setting to change.
7heblackwolf
DD-WRT User


Joined: 21 Nov 2019
Posts: 66

PostPosted: Sat Jul 31, 2021 16:02    Post subject: Reply with quote
Justanotherbrokenrouter wrote:
Rickers wrote:
Are your values something else by default? Looks like those settings are only on the physical interfaces.
Rick


Beacon Interval 100, and DTIM Interval 2 are the defaults settings. Changing these settings never help my WRT3200ACM wifi interface with devices any better. Picking another wifi channel is the better setting to change.


https://www.sniffwifi.com/2016/05/go-to-sleep-go-to-sleep-go-to-sleep.html

_________________
Linksys WRT3200ACM
Justanotherbrokenrouter
DD-WRT User


Joined: 27 Apr 2019
Posts: 166

PostPosted: Sat Jul 31, 2021 19:11    Post subject: Reply with quote
7heblackwolf wrote:
Justanotherbrokenrouter wrote:
Rickers wrote:
Are your values something else by default? Looks like those settings are only on the physical interfaces.
Rick


Beacon Interval 100, and DTIM Interval 2 are the defaults settings. Changing these settings never help my WRT3200ACM wifi interface with devices any better. Picking another wifi channel is the better setting to change.


https://www.sniffwifi.com/2016/05/go-to-sleep-go-to-sleep-go-to-sleep.html


I don't have any Apple clients. Hey maybe this will also help all the other random Android devices that also drops wifi connections. Apple recommends a DTIM setting of at least 3 surely after all these years using the WRT3200ACM someone would have shared this fix a long time ago. Or is it a fix 🤔. Maybe its an improvement 🤔. Did the user comment with use of Apple devices changes to DTIM helped, or are we speculating its a Apple issue 🤔. With build r44048 Beacon Interval 100, and DTIM Interval 2 are the default setting, and most Apple, and Android users had mostly reliable wifi. Sounds like false hope.
7heblackwolf
DD-WRT User


Joined: 21 Nov 2019
Posts: 66

PostPosted: Sun Aug 01, 2021 0:02    Post subject: Reply with quote
Justanotherbrokenrouter wrote:
7heblackwolf wrote:
Justanotherbrokenrouter wrote:
Rickers wrote:
Are your values something else by default? Looks like those settings are only on the physical interfaces.
Rick


Beacon Interval 100, and DTIM Interval 2 are the defaults settings. Changing these settings never help my WRT3200ACM wifi interface with devices any better. Picking another wifi channel is the better setting to change.


https://www.sniffwifi.com/2016/05/go-to-sleep-go-to-sleep-go-to-sleep.html


I don't have any Apple clients. Hey maybe this will also help all the other random Android devices that also drops wifi connections. Apple recommends a DTIM setting of at least 3 surely after all these years using the WRT3200ACM someone would have shared this fix a long time ago. Or is it a fix 🤔. Maybe its an improvement 🤔. Did the user comment with use of Apple devices changes to DTIM helped, or are we speculating its a Apple issue 🤔. With build r44048 Beacon Interval 100, and DTIM Interval 2 are the default setting, and most Apple, and Android users had mostly reliable wifi. Sounds like false hope.


This fact is mentioned all over the internet and dd-wrt forums. Apple advice is for any router, to improve battery life over wifi from analysis they made on their products (which uses intel and qualcomm stuff, which exists for practically any wireless device brand). Which clearly will also affect any wireless device connected to it. It's not a fix, is a fine tune setting that some find usefull, some want the interface wake all the time (like wireless gamers yuk).

In this pandemic era, where people mostly stay at home, I find this usefull to not leave devices in the charger because they go full promiscuous with the radio.

_________________
Linksys WRT3200ACM
blkt
DD-WRT Guru


Joined: 20 Jan 2019
Posts: 3901

PostPosted: Sun Aug 01, 2021 7:00    Post subject: Mmm Bacon Reply with quote
Previous Marvell threads indicate BI/DTIM do not behave very well outside of default, surely we remember.

Feel free to play with Beacon Interval / DTIM; ignore known SNAFU history with Linksys Marvell WRT series.

Maybe try a build from this year before making recommendations because it is all over the internet forums.

Who knows maybe results have changed, then one can report this information into respective build threads.
7heblackwolf
DD-WRT User


Joined: 21 Nov 2019
Posts: 66

PostPosted: Mon Aug 02, 2021 4:03    Post subject: Re: Mmm Bacon Reply with quote
I have been using that settings more than a year from what I remember. I don't see any problems on that, maybe it's a placebo if this settings don't truly change anything behind scenes for dd-wrt. But at least is not a downside.

Not following the hype on internet, following Apple hints https://twitter.com/revolutionwifi/status/725489216768106496?s=20.

The analysis has ben made here: https://www.sniffwifi.com/2016/05/go-to-sleep-go-to-sleep-go-to-sleep.html

Cheers,

blkt wrote:
Previous Marvell threads indicate BI/DTIM do not behave very well outside of default, surely we remember.

Feel free to play with Beacon Interval / DTIM; ignore known SNAFU history with Linksys Marvell WRT series.

Maybe try a build from this year before making recommendations because it is all over the internet forums.

Who knows maybe results have changed, then one can report this information into respective build threads.

_________________
Linksys WRT3200ACM
SurprisedItWorks
DD-WRT Guru


Joined: 04 Aug 2018
Posts: 1328
Location: Appalachian mountains, USA

PostPosted: Mon Aug 02, 2021 16:00    Post subject: Reply with quote
By way of a quick review, it's the Beacon Interval moving off of the default 100 that leads to huge issues with these routers. No problem changing DTIM in my experience.
_________________
Six Linksys WRT1900ACSv2 routers on 48141: VLANs, VAPs, NAS, client mode, OpenVPN client (AirVPN), DDNS, wireguard servers and clients (AzireVPN), three DNSCrypt DNS providers (incl Quad9) via VPN clients.
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