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QA Cafe ― IP Test Solutions

QA Cafe University

Navigating the world of CPE devices

If you are a vendor, provider, or user of home and business broadband CPE, you know that they are becoming increasingly complex and powerful devices. CPE operate in a world of hundreds of different protocols and topologies that are specific to each deployment.

QA Cafe University is our knowledge base of information related to this interesting and challenging world of CPE devices.

What will you find at QA Cafe University?



QA Cafe conducts regular webinars on both the basics of CPE protocols and how to test them in CDRouter.

Webinar: TR-069 Data Model Testing in CDRouter
Tags: Home Router, Service Provider Networks, ssl, TR-069

Join us on Jun 16, 2015 at 11:00 AM EDT Register Now The TR-069 add on turns CDRouter into a scriptable ACS to test your TR-069 enabled devices for protocol conformance and Interoperability. One of the most important series of tests is validating that your device’s TR-069 data model is accurate, valid, and can be more »

Webinar: CDRouter Basics (Video)

Join Brad Ritchie from our CDRouter support team as he shows you: - How to create an initial test configuration - How to create a test package for your test run - How to run, loop, and monitor tests in progress - How to analyze your results, logs, and packet captures Looking to attend in more »

Virtual CPE and Mobile Device Testing with CDRouter Live (Video)
Tags: Live

The CDRouter test platform is the industry standard test platform for broadband CPE, used by hundreds of vendors and service providers world-wide. It’s great for DUTs in a closed-loop lab environment, but how do you test virtual CPE, cloud dependent CPE, or mobile devices with expensive infrastructure requirements? Join the QA Cafe team as we more »


Our training guides give you an overview of how to correctly implement and test the common protocols used in today’s CPE devices.

Verifying TR-069 “real world” scenarios with a native ACS
Tags: ACS, Service Provider Networks, TR-069

When it comes to testing TR-069, there are three main stages: Testing that your device handles CWMP and the underlying protocols Testing that your data model objects and parameters are valid Testing that your CPE will behave as expected in production CDRouter’s automation platform can make it very easy to do all of these, and more »

Testing DNS effects on subscriber experience
Tags: DNS, Live, Service Provider Networks

What do you do when bandwidth isn’t the problem? One of the biggest reasons for poor subscriber experience (and as a result, more support calls) is not due to actual network speeds, but the perception of network speeds. This means that, although you may be delivering a high-speed connection on paper (and when the customer more »

Using XMPP for TR-069 Connection Requests
Tags: Home Router, Service Provider Networks, TR-069, XMPP

Though one of the fundamental principles of CWMP (TR-069) is that the CPE endpoint is always the one to initiate a connection, Autoconfiguration Servers (ACS) can use the TR-069 Connection Request feature to stimulate a CPE to begin a session. This is often used when the ACS must contact the CPE immediately, such as when more »

Testing Guides

Our testing guides give you an in-depth look at how to setup and configure your test environment and configure CDRouter to test complex deployment scenarios.

Is your device using valid TR-069 data models?
Tags: Home Router, Service Provider Networks, TR-069

The CPE WAN Management Protocol described by Broadband Forum TR-069 is a remote procedure call (RPC) based protocol. That is, it consists of two applications that interact directly with each other through a set of defined methods – in the case of TR-069, this includes device functions like Reboot, Download, etc., as well as operations more »

Testing devices with wireless WAN connections

At QA Cafe we continuously see new consumer broadband and home network devices come into the market and into our lab. One of the newest class of devices are “travel routers” – routers that are popular with people who frequently connect to public Wifi networks or those offered by hotels, restaurants, or hospitals. These devices more »

The Misfortune Cookie and Security in the Home Gateway
Tags: Home Router, security, TR-069

Several months ago we talked about the revelations at DEFCON22 concerning web server security of systems meant to deploy TR-069 in a subscriber network. Most of the investigation done surrounded vulnerable ACS – that is, malicious attackers gaining access to the auto-configuration server, allowing them to control many hundreds of thousands of home devices. Recently, more »