DHCP Static assignment problem
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 on PFSENSE version 2.3.4-RELEASE (amd64) 
 built on Wed May 03 15:13:29 CDT 2017
 FreeBSD 10.3-RELEASE-p19I experienced a problem with assigning a static IP address for 2 ports on an Intel based server board. the Mac addresses are: XX:XX:XX:XX:XX:CC and XX:XX:XX:XX:XX:CD the problem is that PFSense doe snot seem to like 2 Mac addresses that are separated by 1 digit. I get the error: 
 The following input errors were detected:This fully qualified hostname (Hostname + Domainname), IP, MAC address or Client identifier already exists. However, if I change everything, IP, Client ID, hostname+domain and leave the MAC, I still get the error. 
 IF I move it from D to F or a number, it seems to accept this.I can't change the MAC on the system in question, so I was hoping that maybe someone else has seen this and/or there is a fix for this in PFSense ? thanks ! 
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 Just wondering if anyone has seen or knows of a fix ? The box I am using has an Intel MB with dual NICs and believe it or not, the MAC addresses are 1 digit apart. I want to be able to use both NICs via DHCP and for some reason it does not seem to work via PFSENSE DHCP. thanks 
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 Can you locally assign a MAC on one of those interfaces? 
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 Would this happen if DHCP has already assigned IP's to these MAC addresses? Check Status > DHCP Leases. If so try deleting the entries automatically created by DHCP with the same MAC addresses. Make sure you are assigning static IP's outside of the DHCP IP range. 
