Netgear WNDR3800 WAN Speed in half

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Jonelli
DD-WRT Novice


Joined: 18 Mar 2008
Posts: 15

PostPosted: Thu Nov 28, 2019 3:56    Post subject: Netgear WNDR3800 WAN Speed in half Reply with quote
I'm totally happy with this unit, except I just upgraded my ISP speed to 400Mbps and through this router using DD-WRT i'm getting about half speed. It will peak close to 300 but then drop down to about 200 or a little less.
Direct connections to the modem using same PC hardware are 495Mbps. The interwebs tells me that the unit should be able to throughput of about 335Mbps WAN-LAN.

Currently using DD-WRT v3.0-r39508 std (04/14/19) but will try some updates.
Is this what I'm stuck with unless I update to newer hardware?
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Jonelli
DD-WRT Novice


Joined: 18 Mar 2008
Posts: 15

PostPosted: Thu Nov 28, 2019 4:20    Post subject: Reply with quote
Just updated to: DD-WRT v3.0-r41586 std (11/21/19)
and it actually peaked now over 400Mbps and slowed back down to 300 ish over a few moments.
tatsuya46
DD-WRT Guru


Joined: 03 Jan 2010
Posts: 7141
Location: YWG, Canada

PostPosted: Thu Nov 28, 2019 4:23    Post subject: Reply with quote
assuming qos is off (or if its on, will only work on upload after this), enable shortcut forwarding engine on main setup page. and have latest build running. and the wifi radios in this router are incapable of getting ur line speed under the best conditions, 2x2 40mhz 802.11n just cant attain that
_________________
LATEST FIRMWARE(S) || Qualcomm Atheros Wi-Fi Settings Guide || Qualcomm Atheros Repeating

BrainSlayer wrote:
we just do it since we do not like any restrictions enforced by stupid cocaine snorting managers

[x86_64] Haswell i3-4150 ------------> DD-WRT v3.0-r41659 std
[QUALCOMM] R7800 -----------------> DD-WRT v3.0-r41659 std
[QUALCOMM] DIR-862L --------------> DD-WRT v3.0-r41659 std
[QUALCOMM] DIR-862L --------------> DD-WRT v3.0-r41659 std
[QUALCOMM] WNDR4300 v1 --------> DD-WRT v3.0-r41659 std
▲ ACTIVE / INACTIVE ▼
[BROADCOM] DIR-860L A1 ----------> DD-WRT v3.0-r41631 std


If you use DSLReports please enable hi-res bufferbloat.


Sigh.. why do i exist anyway..
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