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prozak
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Posts: 45
Joined: Sat Jan 16, 2010 4:01 am

slow upload speed on ethernet

Fri Jul 01, 2022 12:54 am

Hello all.
Im facing a very weird problem.
Im having a 5G internet connection with average 350mbps down / 120up.
My router is a RB3011.
Thing is wheneven i try to speedtest through wired on my computers, i get capped upload on around 3-5Mbps, while speedtesting on my phone through an AP connected to the same router i get full upload speeds.
Ive been reading about disabling Large send Offload on computers NIC but no good.
I resetted winsock still nothing.
Does anyone have any idea why is this happening?
Is this windows issue?NIC? or it needs special mangle rule to change mss from windows computer hosts?
Im confused
 
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prozak
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Re: slow upload speed on ethernet

Fri Jul 01, 2022 12:30 pm

bump! anyone?
 
erlinden
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Re: slow upload speed on ethernet

Fri Jul 01, 2022 12:58 pm

Perhaps you can share your config? And make sure to remove any personal information (/export hide-sensitive file=anynameyoulike).
 
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prozak
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Re: slow upload speed on ethernet

Fri Jul 01, 2022 5:00 pm

/interface bridge
add name=Local_Bridge
add name=PUB_Bridge
/ip pool
add name=hs-pool-12 ranges=192.168.100.101-192.168.100.254
add name=hs-pool-13 ranges=192.168.1.151-192.168.1.254
/ip dhcp-server
add address-pool=hs-pool-12 interface=PUB_Bridge lease-time=1h name=dhcp1
add address-pool=hs-pool-13 interface=Local_Bridge lease-time=1h name=dhcp2
/port
set 0 name=serial0
/interface bridge port
add bridge=PUB_Bridge interface=ether3
add bridge=PUB_Bridge interface=ether4
add bridge=Local_Bridge interface=ether10
add bridge=Local_Bridge interface=ether9
add bridge=Local_Bridge interface=ether8
add bridge=Local_Bridge interface=ether7
add bridge=Local_Bridge interface=ether5
/ip address
add address=192.168.100.1/24 comment="hotspot network" interface=PUB_Bridge \
    network=192.168.100.0
add address=192.168.1.1/24 comment="hotspot network" interface=Local_Bridge \
    network=192.168.1.0
add address=192.168.5.3/24 interface=ether2 network=192.168.5.0
/ip cloud
set ddns-enabled=yes ddns-update-interval=5m
/ip dhcp-client
add interface=ether6 use-peer-dns=no use-peer-ntp=no
/ip dhcp-server network
add address=192.168.1.0/24 comment="hotspot network" gateway=192.168.1.1
add address=192.168.100.0/24 comment="hotspot network" gateway=192.168.100.1
/ip dns
set allow-remote-requests=yes servers=1.1.1.1,8.8.4.4
/ip firewall filter
add action=drop chain=input dst-port=53 in-interface=Internet protocol=udp
add action=drop chain=input dst-port=53 in-interface=Internet protocol=tcp
add action=drop chain=forward dst-port=53 out-interface=!Internet protocol=\
    udp
add action=drop chain=forward dst-port=53 out-interface=!Internet protocol=\
    tcp
/ip firewall mangle
add action=change-mss chain=forward log-prefix=change-mss new-mss=\
    clamp-to-pmtu out-interface=ether6 passthrough=yes protocol=tcp \
    tcp-flags=syn
add action=change-ttl chain=postrouting new-ttl=set:64 out-interface=ether6 \
    passthrough=no protocol=!icmp
add action=mark-routing chain=prerouting disabled=yes new-routing-mark=villa \
    passthrough=no port=80,443,8080 protocol=tcp src-address=192.168.100.0/24
/ip firewall nat
add action=masquerade chain=srcnat comment="masquerade hotspot network" \
    src-address=192.168.0.0/16
add action=dst-nat chain=dstnat dst-address=192.168.0.0/16 dst-port=44444 \
    protocol=udp to-addresses=10.98.0.1 to-ports=40004
add action=redirect chain=dstnat dst-port=53 in-interface=!Internet protocol=\
    udp
add action=redirect chain=dstnat dst-port=53 in-interface=!Internet protocol=\
    tcp
/ip firewall service-port
set sip ports=5060,5061,40004,40065
/ip hotspot user
add name=admin
/ip route
add disabled=no distance=2 dst-address=0.0.0.0/0 gateway=192.168.5.100 \
    pref-src=0.0.0.0 routing-table=main scope=30 suppress-hw-offload=no \
    target-scope=10
add disabled=no distance=1 dst-address=208.67.222.222/32 gateway=192.168.11.1 \
    pref-src=0.0.0.0 routing-table=main scope=11 suppress-hw-offload=no \
    target-scope=10
/system clock
set time-zone-name=Europe/Athens

 
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prozak
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Posts: 45
Joined: Sat Jan 16, 2010 4:01 am

Re: slow upload speed on ethernet

Fri Jul 01, 2022 6:11 pm

so it appears is a known windows bug?!?!

https://docs.microsoft.com/answers/ques ... dware.html
 
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rextended
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Re: slow upload speed on ethernet

Fri Jul 01, 2022 6:36 pm

you have cutted too much from the config export
 
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prozak
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Posts: 45
Joined: Sat Jan 16, 2010 4:01 am

Re: slow upload speed on ethernet

Fri Jul 01, 2022 10:41 pm

Well i haven't actually.
This is it after a clean reset config and updated as well to latest rOS 7.3 ( to see if any better)
 
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prozak
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Posts: 45
Joined: Sat Jan 16, 2010 4:01 am

Re: slow upload speed on ethernet

Fri Jul 01, 2022 11:05 pm

So... It was windows MTU issue.
Setting
netsh interface ipv4 set subinterface “Ethernet“ mtu=1380 store=persistent
did the job.

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