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Bug #11174

open

Incorrect traffic shaping on pppoe interface

Added by Alexey Ab 9 months ago. Updated 9 months ago.

Status:
Feedback
Priority:
Normal
Assignee:
-
Category:
Traffic Shaper (ALTQ)
Target version:
-
Start date:
12/19/2020
Due date:
% Done:

0%

Estimated time:
Plus Target Version:
Release Notes:
Affected Version:
2.4.5-p1
Affected Architecture:
amd64

Description

I am trying to set up shaping on pppoe WAN interface. Tried both 2.4.4-RELEASE-p1 and 2.4.5-RELEASE-p1 using VMWare Workstation 15.5.

For example, on 100 mbit pppoe WAN I am trying to apply 50 MBit limit:

altq on pppoe0 fairq qlimit 1000 bandwidth 50Mb queue { test }
queue test on pppoe0 bandwidth 50Mb priority 1 qlimit 1000 fairq ( default )

Which ends up WAN interface showing 50 Mbit during upload, LAN shows 25 Mbit, and actual data stream on receiver is 25 Mbit.
I have found similar bug report https://redmine.pfsense.org/issues/8463 , but it was resolved by changing adapter to em.
I am already using em, and tried to change it to vmxnet3, but issue is still present.

I've also tried to disable vm.pmap.pti=0, but no success.

When I try the same shaping on non-pppoe interface then it works normally.

Attaching the file showing discrepancy between wan and lan speed during test upload (to server with 160 ms RTT).


Files

pppoe-shaping.png (24 KB) pppoe-shaping.png wan speed is 2x lan speed when shaping enabled Alexey Ab, 12/19/2020 12:59 AM
PFSense-FairQ-Problem.zip (88.7 KB) PFSense-FairQ-Problem.zip Alexey Ab, 12/21/2020 11:18 PM
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