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6.8

Centos 5.2 DHCPD Issue with certain MAC's

Asked by tmcarter3 in Unix Networking, CentOS, Network Operations

Tags: ISC DHCPD

I have a Arris CMTS 1000; with a new Centos 5.2 DHCPD (3.04) server.  I am trying despirately to hand out IP's to cable modems and there are three different MAC subsets that refuse to bind.  There was on the old server (which crashed) some type of "wildcard" and I can not figure this out...
The MAC's starting with 00:10:95, 00:90:64 and 00:11:e3; get the DHCP lease from the server but will not bind; however the 00:50:da, and some others have no problem. 
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CMTS OUTPUT---------------------------START
 1    2   00:0f:9f:57:8a:2a DHCP OFFER                    0.0.0.0         1729
 2    2   00:10:95:5c:c3:06 DHCP ACK                      0.0.0.0         1730
 3    2   00:10:95:5e:1f:7e DHCP ACK                      0.0.0.0         1744
 5    2   00:90:64:98:0f:6a DHCP OFFER                    0.0.0.0         1752
 6    2   00:10:95:28:99:f3 DHCP ACK                      0.0.0.0         1745
 9    2   00:50:04:a5:3f:32 Registered                    172.17.5.247    1737
 10   2   00:50:da:9d:29:92 Registered                    172.17.5.246    1738
 12   2   00:90:64:ee:4a:17 DHCP OFFER                    0.0.0.0         1748
 13   2   00:50:da:9c:83:74 Registered                    172.17.5.243    1749
 14   2   00:50:da:9e:64:e8 Registered                    172.17.5.242    1750
 15   2   00:11:e3:7f:20:66 DHCP OFFER                    0.0.0.0         1751
 16   2   00:50:04:a6:4e:28 Registered                    172.17.5.240    1753
 17   2   00:50:da:9c:88:bc Registered                    172.17.5.239    1754
 18   2   00:50:da:a0:1e:58 Registered                    172.17.5.238    1755
 19   2   00:90:64:95:b3:da DHCP OFFER                    0.0.0.0         1756
CMTS OUTPUT----------------------------END
 
filename "15.bin";
authoritative;
allow unknown-clients;
option domain-name "domain.com";
option domain-name-servers 208.67.222.222, 208.67.220.220;
option subnet-mask 255.255.255.0;
option broadcast-address 172.17.5.255;
default-lease-time 14400;
max-lease-time 172800;
ddns-update-style none;
allow client-updates;
# file for the cable modems
# filename "/LCN_DATA/15.bin";
shared-network Inside {
	allow client-updates;
	allow unknown-clients;
	authoritative;
	filename "15.bin";
	subnet 64.207.54.0 netmask 255.255.255.248 {
		authoritative;
		filename "15.bin";
		}
	# Cable Modems
	subnet 172.17.0.0 netmask 255.255.0.0 {
		allow client-updates;
		allow unknown-clients;
		authoritative;
		filename "15.bin";
		option routers 172.17.0.1;
		range 172.17.5.128 172.17.5.254;
		pool {
			allow unknown-clients;
			filename "15.bin";
			range dynamic-bootp 172.17.5.128 172.17.5.150;
			}
		}
	# test1
	host test1 {
		allow unknown-clients;
		filename "15.bin";
		hardware ethernet 00:10:95:5e:1f:7e;
		fixed-address 172.17.5.99;
		}
	}
[+][-]04/27/09 05:09 AM, ID: 24240846Expert Comment

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[+][-]04/28/09 09:35 AM, ID: 24252501Expert Comment

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[+][-]04/28/09 01:47 PM, ID: 24254981Accepted Solution

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About this solution

Zones: Unix Networking, CentOS, Network Operations
Tags: ISC DHCPD
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Solution Provided By: tmcarter3
Participating Experts: 2
Solution Grade: A
 
 
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