AutoInstall using DHCP for LAN Interfaces


You are the network engineer at a company specialized in creating virtual worlds. The last few months the company gained quite some new customers, for each customer a new router has to be installed and to save time you want to make sure you can automatically them using the auto-install feature.


  • All IP addresses have been preconfigured for you (except router Flynn).
  • EIGRP has been configured for connectivity.
  • Router Flynn should request an IP address for the FastEthernet 0/0 interface using DHCP.
  • Configure router Quorra so it forwards this DHCP request to router Jarvis.
  • Configure router Jarvis with DHCP server. It should give IP address to router Flynn with a default gateway IP address Make sure it also sends as the DNS server and a TFTP server called “Gem”.
  • Router Flynn has to receive its IP address through DHCP and ask router Jarvis for its hostname. The next step is to receive a config file called “Flynn” from router Gem through TFTP.




Auto install DHCP over LAN

Configuration Files

You need to register to download the GNS3 topology file. (Registration is free!)

Once you are logged in you will find the configuration files right here.

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Written by René Molenaar - CCIE #41726

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About the Author: Rene Molenaar

René - CCIE #41726 is the creator of where he shares CCNA, CCNP and CCIE R&S labs. He also blogs about networking on


  1. ip dhcp pool NEW
    hardware-address cc01.8f4c.0000
    option 66 ascii “Gem”

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