Retaining information between DHCP requests
Bill Shirley
Bill at Henagar.PolymerIndustries.biz
Thu Oct 9 17:35:34 UTC 2014
On 10/9/2014 1:14 PM, CLOSE Dave wrote:
> Bill Shirley wrote:
>
>> Are you able to set up a separate subnet for kickstart boots? If so,
>> I have an idea that may work for you.
> No, I don't think I can do that. The subnets are allocated and
> controlled by a different group. In any case, how would PXE know to use
> the different subnet?
Something like:
class "kickstart" {
match if substring(option vendor-class-identifier, 0, 9) = "kickstart";
option domain-name "kickstart.example.com";
option ddns-domainname "kickstart.example.com";
}
host pxe-1 {hardware ethernet 00:19:d1:72:d1:d7; fixed-address 10.0.2.20;}
shared-network example-com {
subnet 10.0.1.0 netmask 255.255.255.0 {
option domain-name-servers 10.1.0.1;
pool {
allow members of "kickstart";
deny dynamic bootp clients;
range 10.0.1.100 10.0.1.253;
}
.
.
}
subnet 10.0.2.0 netmask 255.255.255.0 {
option domain-name-servers 10.2.0.1;
pool {
deny dynamic bootp clients;
range 10.0.2.100 10.0.2.253;
}
.
.
}
}
I don't have a way to test it, but I think it would work. If there is a class match, DHCP should use the first subnet
else the host fixed address.
Bill
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