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DHCP reservation Cisco ASA5505

Posted on 2013-01-24
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Last Modified: 2013-02-05
In my network there is an ASA5505 that handles DHCP requests. 1 user is experiencing problems with a network printer. This user takes his laptop home every day. When he comes back in the office, the laptop gets another ip address. Somehow the printer can't handle this, it doesn't see the laptop in its ARP table.

I wan't to resolve this bij configuring a reservation for the laptop in the ASA, but i can't get it to work. There is a command for it, but the ASA does not accept it somehow.

Any help would be appreciated.
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Question by:SvenIA
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Expert Comment

by:Ernie Beek
ID: 38813742
Did you try something like:
http://certcollection.org/forum/topic/44490-example-config-dhcp-reservation-on-a-pixasa/
(there is no 'direct' way to make a reservation).

Don't you happen to have a (MS) server on your network that you could assign the DHCP server role to? That whould give you more flexibility and options than the ASA has.
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by:SvenIA
ID: 38814496
Ok i found this information:

static dhcp ip to mac-address mapping is not supported in ASA.The listt of features supported by ASA is present in the URL given below:

http://www.cisco.com/en/US/docs/security/asa/asa80/configuration/guide/specs.html
 
The below Url gives the firewall mode guide for the ASA.

http://www.cisco.com/en/US/docs/security/asa/asa80/configuration/guide/fwmode.html


I guess it isn't possible. Weird that the commands are available.....
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Ernie Beek earned 500 total points
ID: 38814594
But you did try something like that workaround I posted (or similar)? Did it gave you any errors or did it just not work.

And otherwise like I said: Don't you happen to have a (MS) server on your network that you could assign the DHCP server role to?
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Author Closing Comment

by:SvenIA
ID: 38854647
We installed a linux server that acts as a DHCP server. Problem solved!
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