[Cerowrt-devel] Anyone using PPPoE with Sugarland?

dpreed at reed.com dpreed at reed.com
Sat Jan 5 17:25:14 EST 2013

I am using 3.7.1-1, and comparing my simple_qos.sh config with yours, I don't see any QDISC=... line in yours.
So is it possible you need that?  The egress() interface setup in simple_qos.sh uses that to set the queue discipline.
-----Original Message-----
From: "William Katsak" <wkatsak at gmail.com>
Sent: Saturday, January 5, 2013 4:37pm
To: "cerowrt-devel at lists.bufferbloat.net" <cerowrt-devel at lists.bufferbloat.net>
Subject: [Cerowrt-devel] Anyone using PPPoE with Sugarland?


I am experimenting with using Cero/Sugarland on a PPPoE connection, and can't seem to find a config of simple_qos that works well.

The service is DSL, PPPoE, 3M/768K. Without any qos, the router works well, as expected. When I try to use simple_qos, the clients have trouble loading websites (hangs while loading, etc).

Netlyzer shows upstream buffering of about 650ms, consistently. I have tried various higher and lower values for UPLINK and DOWNLINK, but nothing seems to help. Anyway, I think 15-20% below link should be fine.

Here is my config:
PERTURB="perturb 0" # Permutation is costly, disable
FLOWS=16000 # 
BQL_MAX=3000 # it is important to factor this into the RED calc


Couple of things I am unsure about:
1) Should the IFACE be ge00 or pppoe-ge00?
2) Should the MTU be the pppoe mtu (1492) or the ethernet (1500)

One last thing: I have the lan split up into VLAN interfaces se00.1, se00.100, and se00.200. Everything otherwise works as expected with these, but could the naming be breaking something?

If anyone is willing to share a working configuration it would be much appreciated.

Bill Katsak

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