Activating the DHCP server in a Cisco router

This article was first written in July 2005 for the BeezNest technical
website (

Here is an example on how to configure a DHCP server on a Cisco router.

ip domain-name
ip dhcp excluded-address
ip dhcp excluded-address
ip dhcp pool DHCPPool
   import all
   option 150 ip

Note that the DHCP pool is and that there are excluded addresses. Note also there is an extra option (here TFTP-server) configured. Everything else should be straight-forward for anybody accustomed with DHCP servers configuration.

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