Looking for some practical experience with Cisco routers and switches for 
little to no cost? There's no shortage of free Cisco labs on the Web.
These sites are designed to assist network operators and Cisco certification 
students with common problems or challenges that crop up in configuring Cisco 
networks. In some instances, they may serve as teasers to get students to pay 
for more elaborate and comprehensive testing services.
Here's a sample of six free Cisco labs available either online or in 
person:
PacketLife Community Lab - Currently offline until 
November, the PacketLife community Lab provides free access to "modern" Cisco 
networking equipment for training purposes. Lab equipment and other costs are 
provided or sponsored by the site's owner, commercial sponsors, and voluntary 
contributions by community members.
Free Cisco Catalyst Switch Lab - This 
non-commercial effort provides free 24x7 access to Cisco Catalyst switches to 
learn networking, Cisco IOS, and prepare for certification exams. It requires no 
reservation or registration. Users telnet in to get 80-90 minutes per session on 
each console line, a one hour waiting period, and a two hour reset period. Users 
have many logins and sessions per day on each console, and can login to as many 
devices as they want that are available. Each line is timed separately.
Free Cisco Lab -- Free Cisco Lab is dedicated to 
providing educational help for students pursuing Cisco certifications. It 
provides exam preps, practice exams and free lab scenarios for routing, 
switching, security, wireless, and VOIP. It is operated by Barry Burdette, a 
15-year network industry veteran who has designed, installed and maintained 
network infrastructure during his career.
Free Cisco Lab Simulators - The Ciscoconsole site has a link to free Cisco lab 
simulators available for download. One is the GNS3 simulator, an open source 
program that allows users to design complex network topologies. The program 
enables emulation of many Cisco IOS router platforms, IPS, PIX and ASA 
firewalls, and Juniper's Junos. It also simulates simple Ethernet, ATM and frame 
relay switches, and enables connection of the simulated network to production 
networks. GNS3 also performs packet capture using Wireshark. It can be run on 
multiple operating systems, including Windows, Linux, and MacOS X.
Dynamips - Dynamips is an emulator 
program for Cisco routers. It emulates Cisco router hardware by booting a Cisco 
IOS image into the emulator. Dynamips emulates Cisco 1700, 2600, 3600, 3700, and 
7200 series routers for testing and experimenting with IOS features, and 
checking configuration before production deployment. GNS3 can be a graphical front-end for Dynamips; 
another front-end is Dynagen.  Dynamips runs on Linux, Mac OS X or 
Windows.
Free CCNA Workbook - This site provides a free lab 
to those that prefer to use real equipment over emulated gear from 
Dynamips/Dynagen/GNS3. The lab consists of Cisco 3725, 3550 and 2950 hardware 
running 12.4 images of IOS. Each lab session is limited to total of three 
consecutive hours, which equates to eight sessions per day. Users are only 
permitted to schedule one session at any given time.
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