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AzDsL
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Joined: Sun May 22, 2022 4:17 am

Ethernet WAN Interface not getting the full ISP Bandwidth

Thu Aug 18, 2022 11:33 am

Hi All!

May I ask again for your expertise please to find out why my MT is not getting the full bandwidth from my ISP?
When I directly connect my PC to the LAN port of my ISP modem/router, I was able to get the full 800Mbps subscribed bandwidth BUT when I connect my PC to my MT and connect one of MT's ethernet port (ETHER3) to the LAN port of ISP modem/router, I only get less than 100Mbps (98Mbps was the highest with no other users connected).

NOTE: All other WAN interfaces (ether1 and ether2) were disabled during the speed test.

I already tried to delete and reconfigured DHCP Client and Firewall NAT as well as tick the /interface ethernet Auto-Negotiation and Advertisement options "off and on" but to no avail. Ether3 port still at 100Mbps rate and did not change to 1Gbps.

Please see below my MT ethernet config for your reference

# aug/17/2022 19:47:03 by RouterOS 6.49.6
# model = CCR1009-7G-1C-1S+
/interface ethernet
set [ find default-name=combo1 ] advertise=\
10M-half,10M-full,100M-half,100M-full,1000M-half,1000M-full rx-flow-control=\
auto tx-flow-control=auto
set [ find default-name=ether1 ] advertise=\
10M-half,10M-full,100M-half,100M-full,1000M-half,1000M-full disabled=yes name=\
ether1-ISP_20Mbps(Deactivated) rx-flow-control=auto tx-flow-control=auto
set [ find default-name=ether2 ] advertise=\
10M-half,10M-full,100M-half,100M-full,1000M-half,1000M-full disabled=yes name=\
ether2-ISP-25Mbps rx-flow-control=auto tx-flow-control=auto
set [ find default-name=ether3 ] advertise=\
10M-half,10M-full,100M-half,100M-full,1000M-half,1000M-full name=\
ether3-ISP-800Mbps rx-flow-control=auto tx-flow-control=auto
set [ find default-name=ether4 ] advertise=\
10M-half,10M-full,100M-half,100M-full,1000M-half,1000M-full name=\
"ether4 OLT 1 " rx-flow-control=auto tx-flow-control=auto
set [ find default-name=ether5 ] advertise=\
10M-half,10M-full,100M-half,100M-full,1000M-half,1000M-full name=\
"ether5-OLT 2" rx-flow-control=auto tx-flow-control=auto
set [ find default-name=ether6 ] advertise=\
10M-half,10M-full,100M-half,100M-full,1000M-half,1000M-full rx-flow-control=\
auto tx-flow-control=auto
set [ find default-name=ether7 ] advertise=\
10M-half,10M-full,100M-half,100M-full,1000M-half,1000M-full,10000M-full \
loop-protect=on name="ether7 " rx-flow-control=auto tx-flow-control=auto
set [ find default-name=sfp-sfpplus1 ] advertise=\
1000M-full,2500M-full,5000M-full,10000M-full

/ip firewall address-list
add address=192.168.10.0/24 list=VIP
add address=192.168.11.0/24 list=NORMAL
add address=192.168.12.0/24 list=MID
/ip firewall filter
add action=passthrough chain=unused-hs-chain comment="place hotspot rules here" \
disabled=yes
/ip firewall mangle
add action=mark-routing chain=prerouting comment=ISP_20Mbps new-routing-mark=\
to-gw1 passthrough=no src-address-list=VIP
add action=mark-routing chain=prerouting comment=ISP-25Mbps new-routing-mark=\
to-gw2 passthrough=no src-address-list=MID
add action=mark-routing chain=prerouting comment="ISP-800Mbps " \
new-routing-mark=to-gw3 passthrough=no src-address-list=NORMAL
/ip firewall nat
add action=masquerade chain=srcnat out-interface=\
ether1-ISP_20Mbps
add action=masquerade chain=srcnat out-interface=ether2-ISP-25Mbps
add action=masquerade chain=srcnat out-interface=ether3-ISP-800Mbps

Your help will always be appreciated. Thank you.

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