blindhog.net

In this tutorial, you will add a virtual machine for Ethernet connectivity to branch1 and branch2 of your virtual voice lab. Although I use a separate vm in this tutorial, you can also simply add two more interfaces to the headquarters virtual PC if you are running short on PC resources.

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I apologize for the delay in posting the next tutorial in the virtual voice lab but I ran into a problem communicating from the HQ router to the host Ubuntu server. I thought I was able to communicate from the HQ router to the host during the Headquarters build tutorial….but I was wrong.

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While poking around the new GNS3.net forum, I found two very interesting howto posts. Jeremy Grossman (gns3 author) describes the processes needed to bridge a wireless NIC to GNS3 using both Linux and Windows.

Here are the links:

Bridge with a Wireless NIC on Linux

Bridge with a Wireless NIC on Windows
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In the Virtual Voice lab series, I am using an Ubuntu Linux environment.  To eliminate permissions issues, it is best that you run GNS3 as root.

Here are a couple issues I have experienced when running GNS3 as a normal user.

Not able to start dynamips.
Error msg: Can’t Connect to the hypervisor on port 7200

Not able to connect to a cloud object.
Error Msg: 206-unable to create Linux raw ethernet NIO
Error Msg: 206-unable to create Linux generic ethernet NIO
Error Msg: 206-unable to create UDP NIO

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Most of us have used voice translations rules for digit manipulation to modify both ANI and DNIS. Did you know that you can also block calls based on ANI?

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This tutorial will demonstrate how to install GNS3 Router Emulation Software on a Linux platform. I used Ubuntu 7.10 because I use it as my home OS and the most user friendly.

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We all know dynamips is a great tool for creating virtual networks and testing router configurations.  However, I can never seem to really understand a concept unless I use it in a "real" scenario. I will show you how  I have started using dynamips as my personal internet router.

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This tutorial will walk you through creating a cdrom image file with the genisoimage command in Ubuntu linux.

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This tutorial is an update to a previous tutorial NoMachine install on Ubuntu 6.10. The NoMachine install on Ubuntu 7.04 is significantly easier than 6.10.

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PEMU is a Cisco Pix Firewall Emulator based on QEMU open source machine emulator and virtualizer. The original author of the Linux version is known as ‘mmm123′ on the hacki forum . Now, the amazing PEMU software has been ported to windows by a different user on the hacki forum known as ‘melifaro’. 

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