Slow upload speed when fast track is on
Posted: Sun Jul 21, 2024 5:39 pm
I'm evaluating Mikrotik CHR on DELL vep 1445
Mikrotik CHR has some compatibility issues with x553, as the result, I can't passthrough the x553(10g sfp+) to Mikrotik CHR directly, I have to do it in this way
CHR(VMXNET3)<--> port group(VLAN ID:4095) <--> vswitch(uplink x553 sfp+)
as described viewtopic.php?t=209279
Now I register a P10 trial license and evaluate via iperf.
I placed this Mikrotik CHR in my home LAN, as a dhcp client, my desktop is connected to this Mikrotik CHR, and iperf the server in my home LAN, like
My desktop(iperf client, 192.168.88.10)<---> Mikrotik CHR(DELL vep 1445, 192.168.88.1) as dhcp client(192.168.1.200)<---> iperf server( 192.168.1.100)
everything looks pretty solid, until I tried to iperf upload,
When fast track is on, iperf hits 1.3Gbps upload
When fast track is off,iperf hits 6.3Gbps upload (with fast track on, iperf download (-R) speed is way more stable)
The red arrow is when I disable fast track The config is simple
Mikrotik CHR has some compatibility issues with x553, as the result, I can't passthrough the x553(10g sfp+) to Mikrotik CHR directly, I have to do it in this way
CHR(VMXNET3)<--> port group(VLAN ID:4095) <--> vswitch(uplink x553 sfp+)
as described viewtopic.php?t=209279
Now I register a P10 trial license and evaluate via iperf.
I placed this Mikrotik CHR in my home LAN, as a dhcp client, my desktop is connected to this Mikrotik CHR, and iperf the server in my home LAN, like
My desktop(iperf client, 192.168.88.10)<---> Mikrotik CHR(DELL vep 1445, 192.168.88.1) as dhcp client(192.168.1.200)<---> iperf server( 192.168.1.100)
everything looks pretty solid, until I tried to iperf upload,
When fast track is on, iperf hits 1.3Gbps upload
When fast track is off,iperf hits 6.3Gbps upload (with fast track on, iperf download (-R) speed is way more stable)
The red arrow is when I disable fast track The config is simple
Code: Select all
# 2024-07-21 14:28:53 by RouterOS 7.15.2
# software id =
#
/interface bridge
add name=bridge1
/interface ethernet
set [ find default-name=ether3 ] name=ether2
set [ find default-name=ether4 ] name=ether3
set [ find default-name=ether2 ] name=ether4
set [ find default-name=ether1 ] disable-running-check=no name=ether5
set [ find default-name=ether2 ] disable-running-check=no name=ether6
/interface list
add name=WAN
add name=LAN
/ip pool
add name=dhcp ranges=192.168.88.10-192.168.88.250
/ip dhcp-server
add address-pool=dhcp interface=bridge1 lease-time=30s name=dhcp1
/port
set 0 name=serial0
set 1 name=serial1
/interface bridge port
add bridge=bridge1 interface=ether2
add bridge=bridge1 interface=ether3
add bridge=bridge1 interface=ether4
add bridge=bridge1 interface=ether6
/interface list member
add interface=ether5 list=WAN
add interface=bridge1 list=LAN
/ip address
add address=192.168.88.1/24 interface=bridge1 network=192.168.88.0
/ip dhcp-client
add interface=ether5
/ip dhcp-server network
add address=192.168.88.0/24 dns-server=114.114.114.114 gateway=192.168.88.1 \
netmask=24
/ip firewall filter
add action=fasttrack-connection chain=forward hw-offload=yes
/ip firewall nat
add action=masquerade chain=srcnat out-interface-list=WAN
/system identity
set name=MikroTikCHR
/system note
set show-at-login=no