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VLAN Database Lost When Restarting? – Saving VLAN.dat To NVRam

Written by LBSources from http://www.gns3-labs.com on November 30th, 2008 | 25 Comments

Came across a post online that I thought would help those who have been through the problem and upset of losing VLAN configurations once a router in GNS3 or Dynamips is reloaded. This post explains how to prevent this from happening. ok, when you restart your Router or you turn off the GNS3, the VLAN [...]

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GNS3 Topology: EvilRouters.Net – Basic IPSec VPN Over Frame-Relay Lab

Written by LBSources from http://www.gns3-labs.com on November 23rd, 2008 | 2 Comments

Jeremy (AKA Jlgaddis) over at EvilRouters.net created 2 cool labs. 1 was a basic frame-relay lab and the other was adding IPSec VPN to the lab. He gave some great details and outlined the configuration – step by step. I compiled the lab for GNS3 specifically. Jeremy has an awesome blog .. check him out [...]

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GNS3 Announcement: Want To Run An ASA? At Least Run The Code On PEMU

Written by LBSources from http://www.gns3-labs.com on November 22nd, 2008 | 47 Comments

From the GNS3.net official site.. A new tool called “Cisco image unpacker” has been added on the download page. This tool which is simple to use, can unpack Cisco ASA and IOS images to be used with GNS3, Pemu or Qemu. Please note that at the moment only ASA v7 and early images are supported [...]

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GNS3 Topology: Multicasting – PIM Sparse-Mode – Anycast RP and MSDP – IPmc Lab

Written by pierky from http://pierky.tel/ on November 22nd, 2008 | 15 Comments

Here is a very new lab to GNS3-Labs which we havent had before. We have plenty of OSPF, RIP and all the other common routing protocols and what not. Pierky has created this very cool lab featuring Multicast, PIM Sparse-mode, Anycast RP, MSDP. Hope you enjoy! A source (Sender) needs to send a multicast ping [...]

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GNS3 Topology: Featuring – Virtual Area Links, Multi and Inter Area OSPF & Some Redistribution

Written by LBSources from http://www.gns3-labs.com on November 21st, 2008 | 12 Comments

Found a nice OSPF lab over at the GNS3.net forums, but it wasn’t properly exported and packaged. So I did what I always do .. Put it together, cleaned it up and tested and it works flawlessly. Very nice lab with virtual area links, RIP redistribution, inter-area and multi-area OSPF. Routers Used: 3640 IOS: c3640-ik9o3s-mz.124-17a [...]

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Video Tutorial: How to run Multi-PC topology using distributed hypervisors in GNS3

Written by LBSources from http://www.gns3-labs.com on November 16th, 2008 | 9 Comments

The guys over at BrainBump put together a great tutorial on using distributed hypervisors to improve the overall performance and increase the ability to run more routers in your labs. Onto the video intro.. This tutorial will walk you through the process of settting up a distributed GNS3 topology where you can use different external [...]

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BSCI OSPF Excercise Sim Question From Jim Shank

Written by LBSources from http://www.gns3-labs.com on November 15th, 2008 | 4 Comments

A fellow reader by the name of Jim has submitted a great SIM lab for all of us BSCI seekers. In the lab he provides a scenario and within the archive he provides a solution file with all the steps to correctly solve the lab. Jim put some great effort into putting the lab together [...]



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