GNS3 Lab & Exercise: Inter-VLAN Routing using Catalyst Switch
Written by LBSources from http://www.gns3-labs.com on November 9th, 2011 | 4 CommentsHello Everyone! I hope everyone is doing well and is stomping out all of certification exams 1-by-1. As for me, I’m moving slow, but with great momentum – if that even makes sense. I haven’t posted in a long long while, but since then all you need to know is I failed my SWITCH exam [...]
GNS3 Lab & Exercise: OSPF Case Study & Lab Scenario 3
Written by LBSources from http://www.gns3-labs.com on August 13th, 2010 | 20 CommentsHow are we doing? So! As for me, I’ve beat the deadline for my CCNA expiration as well as the BSCI deadline! Wohoo! Very happy to say the least. Right now I’m working on SWITCH and hope to have this completed by the end of September.. There is a new site online that took the [...]
Core and 2 distribution blocks with L3 and L2 access switches
Written by pierky from http://pierky.tel/ on March 7th, 2009 | 24 CommentsI just arranged this lab I used when I was studying for CCNP, I hope someone will find it useful. We have a 2 distribution blocks network linked with the core layer; all elements are dual linked to the upstream layer for redundancy. Block 1 has L3 access switches, running EIGRP as stub routers. Distribution [...]
VLAN Database Lost When Restarting? – Saving VLAN.dat To NVRam
Written by LBSources from http://www.gns3-labs.com on November 30th, 2008 | 21 CommentsCame 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 [...]
Topology: Multilayer Switching in a “Campus” Network
Written by pierky from http://pierky.tel/ on September 22nd, 2008 | 45 CommentsHey we have yet another great lab from a contributor. His name is Pierky and this is one great lab .. You can also post your labs by sending them to me or by creating an account or making the post yourself and I will approve it once its complete .. I’m working on CCNP [...]
GNS3 Tutorials: BlindHog – How to build a switching lab Part 2
Written by LBSources from http://www.gns3-labs.com on July 29th, 2008 | 6 CommentsSo Josh (BlindHog) came around with part 2 pretty quick. As per the his blog This is part two of my gns3 switching tutorial series. In part 1, you learned how to use a 16 port network module (NM-16ESW) to simulate many features of a Cisco switch. In this tutorial, you will learn how to [...]
GNS3 Tutorials: BlindHog – How to build a switching lab
Written by LBSources from http://www.gns3-labs.com on July 25th, 2008 | 2 CommentsIn case you have had a look at our Topology: VLAN Trunking GNS3 Lab – 802.1Q – Router On A Stick & need some help with configurations have a look over at BlindHog. As per BlindHog: In this tutorial, you will learn how to build a Cisco switching lab … even though GNS3 cannot emulate [...]
Topology: VLAN Trunking GNS3 Lab – 802.1Q – Router On A Stick
Written by LBSources from http://www.gns3-labs.com on June 15th, 2008 | 58 CommentsThis is a lab testing VLAN trunking, subinterfaces, router on a stick and 802.1q (DOT1Q) using 3640 routers as routers using the NM-16ESW module. The PCs are also 3640 routers. Routers Used: 3640 w/ NM-16ESW modules IOS: c3640-jk9s-mz.124-16a Feature of Topology: VLAN testing. Router On A Stick / Subinterfaces. Communicating with VLANs VIA the DOT1Q trunking protocol.








