Clear IP DHCP Binding - 192.168 is a reservation. Use the Pool's address command

[jon.baxter1]

i am trying to get rid of a manual binding.  when i run the command to clear IP DHCP Binding 192.168.161.5 i get the message: % 192.168.161.5 is a reservation.  Use the pool's address command.

There is nothing online where someone has run into this.  I am not getting an answer.  I am able to remove other bindings just fine, whether they are static or not.  I do not understand this message.

[Mark Malone]

do you have a client identifier setup to match a hardware address in your dhcp config in the cli ? that's a reserved address in dhcp but matched to a mac usually , that could be whats happening

[jon.baxter1]

by client identifier i assume you mean the name of the dhcp pool?  I do have one yes, but did not have to enter that on other bindings that I have cleared.  even when using the question mark for help on commands, no command asked for it, so i would be unclear as to what the syntax of the command would be

[Mark Malone · Accepted solution]

client identifier is something like below setup where its bound to mac address in dhcp pool a reserved ip to mac , where it uses hardware mac command or client identifier , so standard clear ip dhcp binding doesn't work on them as its reserved , if you remove the pool specific to reservation it will remove the binding as its static , if that's whats setup

ip dhcp pool Mars
host 172.16.2.254 mask 255.255.255.0
hardware-address 02c7.f800.0422 ieee802

[jon.baxter1]

i have several ip bindings in that pool.  i cannot delete the entire pool

[Mark Malone]

then remove that specific binding from the pool , its statically set as its configured so needs to be removed to clear it or it will stay there as you seen

[snp]

What is the command to remove that specific binding from the pool?? because clear ip dhcp binding IP address is not working.

[snp]

I found the command and it worked.

Inside specific pool where you want to delete IP address, apply this command: no address A.B.C.D (where A.B.C.D is your ip address)