I would expect the service provider to provide tested configuration templates and recommendations... but I've seen too many examples of completely different behavior :)

From: Lukas Eisenberger <lukas.eisenberger.mailinglist@gmail.com>
To: swinog@lists.swinog.ch
Sent: Tuesday, March 13, 2012 11:51 AM
Subject: [swinog] Swisscom Business Light VDSL with Cisco Router

Hi

I need to configure a Cisco router (VDSL) for a customer with Swisscom Business light contract. Does somebody has a config template of an existing cisco router?
Please contact me off list.
Thanks in advance.