Posted: Wed Dec 04, 2019 10:24 Post subject: Netgear R7800 bad lan(cable) streaming performance
Hi guys,
I don't know if this is the right sub forum.. but here's my problem:
When I try to use Netflix (or any steaming service) via Lan(cable) the quality is realy terrible. The video is dropping frames and the sound is not in sync. When doing the same thing over WiFi (2.4 Gh) it is fine ??
Until now I was assuming that a cabled connection should alway be better the a connection over WiFi.
Is there any tweak of setting to overcome this problem ?
Thnx.
My setup:
* Provider modem set in bridge mode
* Netgear Nighthawk R7800 with DD-WRT firmware V3.0-r41586
* Netgear GS108GE 8 port switch
* Samsung Smart TV connected by Lan cable.
Last edited by Dennis1974 on Wed Dec 04, 2019 11:38; edited 2 times in total
Joined: 16 Nov 2015 Posts: 6447 Location: UK, London, just across the river..
Posted: Wed Dec 04, 2019 12:12 Post subject:
well...do you use QoS, do you use SFE ?
OpenVPN, any scripts running...
as i pointed to an article to read all the answers are there...
with high WAN speeds 350Mbit+ R7800 tends to have a switch issues (those LAN ports on the back)...gets glitchy,
a lot of different reports about it...
so either check your cables, ISP connection, modem (restart) and so on,
you can try to force CPU to max speed add this script to commands>save startup script
for CPUFREQ in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do [ -f $CPUFREQ ] || continue; echo -n performance > $CPUFREQ; done
or you can use the old Kong build,
where those things ware a bit more settled...
i ll attach it here you have to log in to see it.. _________________ Atheros
TP-Link WR740Nv1 ---DD-WRT 55630 WAP
TP-Link WR1043NDv2 -DD-WRT 55723 Gateway/DoT,Forced DNS,Ad-Block,Firewall,x4VLAN,VPN
TP-Link WR1043NDv2 -Gargoyle OS 1.15.x AP,DNS,QoS,Quotas
Qualcomm-Atheros
Netgear XR500 --DD-WRT 55779 Gateway/DoH,Forced DNS,AP Isolation,4VLAN,Ad-Block,Firewall,Vanilla
Netgear R7800 --DD-WRT 55819 Gateway/DoT,AD-Block,Forced DNS,AP&Net Isolation,x3VLAN,Firewall,Vanilla
Netgear R9000 --DD-WRT 55779 Gateway/DoT,AD-Block,AP Isolation,Firewall,Forced DNS,x2VLAN,Vanilla
Broadcom
Netgear R7000 --DD-WRT 55460 Gateway/SmartDNS/DoH,AD-Block,Firewall,Forced DNS,x3VLAN,VPN
NOT USING 5Ghz ANYWHERE
------------------------------------------------------
Stubby DNS over TLS I DNSCrypt v2 by mac913
Last edited by Alozaros on Wed Dec 04, 2019 12:38; edited 1 time in total
Posted: Wed Dec 04, 2019 12:29 Post subject: Re: Netgear R7800 bad lan(cable) streaming performance
Dennis1974 wrote:
Hi guys,
I don't know if this is the right sub forum.. but here's my problem:
When I try to use Netflix (or any steaming service) via Lan(cable) the quality is realy terrible.
Most common issue:
One of the LAN ports involved has communication problem with speed/duplex connection, try to isolate the connection by ping every device on the LAN from WLAN, you should see ping packet loss on the failing connection. The connection from the router to the 8 port switch could fail, in that case every device on the 8 port switch is loosing packets on receive or transmit.
Is the tv connected to the 8 port switch or to one LAN port on the router? Try the opposite wired connection with netflix.
Joined: 16 Nov 2015 Posts: 6447 Location: UK, London, just across the river..
Posted: Wed Dec 04, 2019 12:41 Post subject: Re: Netgear R7800 bad lan(cable) streaming performance
servicetech wrote:
Dennis1974 wrote:
Hi guys,
I don't know if this is the right sub forum.. but here's my problem:
When I try to use Netflix (or any steaming service) via Lan(cable) the quality is realy terrible.
Most common issue:
One of the LAN ports involved has communication problem with speed/duplex connection, try to isolate the connection by ping every device on the LAN from WLAN, you should see ping packet loss on the failing connection. The connection from the router to the 8 port switch could fail, in that case every device on the 8 port switch is loosing packets on receive or transmit.
Is the tv connected to the 8 port switch or to one LAN port on the router? Try the opposite wired connection with netflix.
never seen this one port issue, never experienced it either....my R7800 has all his ports in use...all connected to various devices along with a 4(5) port switch...
but yep give a try... _________________ Atheros
TP-Link WR740Nv1 ---DD-WRT 55630 WAP
TP-Link WR1043NDv2 -DD-WRT 55723 Gateway/DoT,Forced DNS,Ad-Block,Firewall,x4VLAN,VPN
TP-Link WR1043NDv2 -Gargoyle OS 1.15.x AP,DNS,QoS,Quotas
Qualcomm-Atheros
Netgear XR500 --DD-WRT 55779 Gateway/DoH,Forced DNS,AP Isolation,4VLAN,Ad-Block,Firewall,Vanilla
Netgear R7800 --DD-WRT 55819 Gateway/DoT,AD-Block,Forced DNS,AP&Net Isolation,x3VLAN,Firewall,Vanilla
Netgear R9000 --DD-WRT 55779 Gateway/DoT,AD-Block,AP Isolation,Firewall,Forced DNS,x2VLAN,Vanilla
Broadcom
Netgear R7000 --DD-WRT 55460 Gateway/SmartDNS/DoH,AD-Block,Firewall,Forced DNS,x3VLAN,VPN
NOT USING 5Ghz ANYWHERE
------------------------------------------------------
Stubby DNS over TLS I DNSCrypt v2 by mac913
Posted: Thu Dec 05, 2019 8:06 Post subject: Re: Netgear R7800 bad lan(cable) streaming performance
Alozaros wrote:
never seen this one port issue, never experienced it either....my R7800 has all his ports in use...all connected to various devices along with a 4(5) port switch...
but yep give a try...
I have had this issue in the past on some ethernet - switch combinations, both show "link on" LED , but the device is not able to send or receive without a lot of packet loss or even does not get a dhcp IP with this link.
As the Gigabit ethernet interface on the Laptop was not changeable and no speed or duplex setting did create a errorfree link with the non manageble switch, the only solution was to exchange the switch (other chipset and manufacturer). With the other switch the laptop was able to connect with gigabit, retrieve a valid dhcp IP on every connect and store a backup to a NAS box connected to the switch. Same problem arised some time later on a friends network with a SIP phone (only 100Mbit Ethernet Interface) connected to a gigabit switch. As it was not possible to exchange the switch we installed another 5 port switch between the SIP phone and the gigabit switch that solved the link problem from the SIP phone (that showed 100M full duplex link on the interface but did not get a valid DHCP IP after every second reboot, could not resolve DNS and so on, and did not work with a static IP)
Joined: 16 Nov 2015 Posts: 6447 Location: UK, London, just across the river..
Posted: Thu Dec 05, 2019 11:50 Post subject:
well, in your case, its sounds like you had a faulty port, as mines are ok, been on Kong firmware no issues at all...
and as i said i've never seen anyone to complain about this single port issue... its just you...so faulty port
seems like...
the other issues are more switch related/latency...
not single port involved... _________________ Atheros
TP-Link WR740Nv1 ---DD-WRT 55630 WAP
TP-Link WR1043NDv2 -DD-WRT 55723 Gateway/DoT,Forced DNS,Ad-Block,Firewall,x4VLAN,VPN
TP-Link WR1043NDv2 -Gargoyle OS 1.15.x AP,DNS,QoS,Quotas
Qualcomm-Atheros
Netgear XR500 --DD-WRT 55779 Gateway/DoH,Forced DNS,AP Isolation,4VLAN,Ad-Block,Firewall,Vanilla
Netgear R7800 --DD-WRT 55819 Gateway/DoT,AD-Block,Forced DNS,AP&Net Isolation,x3VLAN,Firewall,Vanilla
Netgear R9000 --DD-WRT 55779 Gateway/DoT,AD-Block,AP Isolation,Firewall,Forced DNS,x2VLAN,Vanilla
Broadcom
Netgear R7000 --DD-WRT 55460 Gateway/SmartDNS/DoH,AD-Block,Firewall,Forced DNS,x3VLAN,VPN
NOT USING 5Ghz ANYWHERE
------------------------------------------------------
Stubby DNS over TLS I DNSCrypt v2 by mac913
well, in your case, its sounds like you had a faulty port, as mines are ok, been on Kong firmware no issues at all...
and as i said i've never seen anyone to complain about this single port issue... its just you...so faulty port
seems like...
the other issues are more switch related/latency...
not single port involved...
Every port on the 8 port gigabit unmanaged switch failed with the Laptop NIC connected. Other device connected to the same port without problem with the same cable. The same laptop connected to a old 100Mbit switch without problem, but I wanted to use the gigabit wired LAn switch for a complete backup on a NAS share, as 100Mbit backup takes 8 times longer. Switch exchange solved that problem with this one client. I use WLAN on this Laptop, LAN only for imaging backup.
