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ntmanxp
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Posts: 26
Joined: Fri Feb 15, 2008 9:04 pm

PPPoE rates beyond 400mbps

Tue Sep 20, 2022 10:05 pm

Hi there
We use PPPoE, freeradius with MySQL, and send attributes to control Framed-IP-Address, Rate-Limit, Pool-Name, etc.
So far so good, until tested rate limit is higher than 400 Mbps.
Using a CCR 1036 12G 4S ROS 7.5 in test lab like PPPoE Server -extracted from field, working OK- and set a Rate-Limit of 600 Mpbs for a test user.
The simple queue was done Ok, and the traffic is going trought it.
But can't go beyond 400 mbps download.
CPU is 2/3%. Only this user.
Simple Queues are ok ( 600M/600M ) as shown in the Winbox for the test client. It goes yellow, when testing with iperf3/SpeedTest -local server in the WAN side of the lab.
Changed default-small queue type -the type that the PPPoE dynamicaly generates to the connection- to 1,10, 50,100, 500 packets.... no impact.
Changed MTU/MRU in PPPoE Server, but nothing.
Commented ALL firewall Rules,Mangle rules,but no way.
If I do just DHCP in the PPPoE interface, no queue, no limit, the test reachs 920Mbps to those servers.
If set up a simple queue for the DHCP client, 600M/600M, then the test goes to 600 turning it red. The way it shoufd be!
But no way in PPPoE to go beyond 400 mbps.
Any advice/clues will be appreciated!
Regards

Andres

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