Posted: Mon Apr 26, 2021 19:14 Post subject: Resolved slow 5ghz on WRT1900AC V1
I know this is old hardware but wanted to post for future readers. As it took me a lot of playing and testing to sort out.
I just installed V3.0-r44715 std on my WRT1900AC V1. I only have a 200 down 10 up circuit.
Prior to installing DD-WRT, I was averaging 70-90 down on my 5ghz circuit. After installing DD-WRT, I was getting 30-50 down. Yes I did a factory reset after installing DD-WRT
The resolution for me was to set the Wireless Network Mode to AC-Only and the Channel Width to VHT80.
With this change I am now seeing down of 150-199 and up of 10-13.
After this change I have a couple of old 5ghz devices that can't connect but the ones I care about can. I moved these older devices to the 2.4ghz side. Which on a side note is averaging 35 down compared to 18-20 on the factory firmware.
I tried that on my WRT1200ACv2 -- it made no difference. The 5GHz network speeds drop off to about 11Mbps after an hour or so. _________________ Netgear R9000
Netgear R7800 (spare)
Linksys WRT1200ac v2 (spare)
Joined: 30 May 2017 Posts: 582 Location: Rural Manitoba
Posted: Sun Jun 06, 2021 13:50 Post subject:
I recently posted elsewhere how I was finally able to get my 1900 V1's away from r31924. After years of failing builds including r44048 which was the most stable I did complete resets on all my routers. Red button reset before upgrade and after, both partitions, and configuration from scratch. Both partitions at more recent builds (r46772 or later) and able to upgrade without problem or reset.
Likely overkill procedure but all routers running without WiFi problems for the first time in years. _________________ Starlink & DSL -> TPLink TL-R470T+
->
WRT3200acm Master WDS 5GHz 80Mhz CH 100 (+6) r55460
Ath1 2.4Ghz Disabled
99 Static Leases
ExpressVPN
WRT3200acm r55460 WDS Station 5Ghz
Ath1 AP N/G Mixed Channel 11 HT40
WRT1900Ac V1 5Ghz r55460 WDS Station
(Defective, no 2.4Ghz but 5Ghz works great)
WRT1900AC V1 5Ghz AC 80Mhz WDS Station r55460
2.4Ghz AP Ch1 HT20 Mixed
WRT1900ACS SPARE r54914
WRT1900AC SPARE r54914
WRT1900AC V1 5Ghz AC 80Mhz WDS-AP r55460
2.4Ghz AP Ch1 HT20 Mixed
WRT54G DD-WRT v3.0-r37305 micro AP CH 6 Mixed - Not in use
I've repeatedly reset the configuration on my WRT1200ACv2, and the reconfigured it from scratch. Still have terrible wifi performance within an hour or two with any version of DD-WRT more recent than r44048. I've definitely tried r46069 with no improvement. _________________ Netgear R9000
Netgear R7800 (spare)
Linksys WRT1200ac v2 (spare)