Combining Dynamic & Static DHCP

Unanswered Question
Jul 19th, 2010
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Hi guys,

I have a DHCP setup on my Cisco 877W that acts as a DHCP server.

I would like to add an option to statically assign IP addresses for a chosen number of hosts.

My current DHCP configuration is:

ip dhcp excluded-address
ip dhcp pool DHCP_POOL

The router's interface that is connected to the LAN is BVI1 with IP address of:

I tried creating a second pool for static DHCP:

ip dhcp pool DHCP_STATIC


  hardware-address ###MY MAC###

The MAC address was taken from the show arp table.

But could not get the static lease to be assinged to my computer (I did see it under show ip dhcp bindings).

I also tried using the client-identifier option (And took the client-id from the binding table) but once I renew the lease on my computer the client-identifier is deleted from the running-config.

I also tried removing the excluded list but it didn't help. Also I used clear ip dhcp binidngs * after every change I did but my computer kept getting the same IP.

Basically what I want is the DHCP to assign address between leaving the first 19 addresses for me to issue static DHCP leases.

I do not want to assign static IP addresses on each computer but have it managed from the router itself.

Thank you very much for the help!

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