Assigning leases based on option 82
Jerimiah Cole
jcole at tbtc.net
Tue Nov 23 15:39:09 UTC 2010
Jeremy Falling wrote:
> We currently assign both static and dynamic leases based on the
> remote-id sent to us by our DSLAMS.
> Our problem is when a customer changes the equipment that is getting the
> lease, DHCP will not reissue the lease due to the MAC address changing.
> This causes us to desire DHCP to issue and track leases by the remote-id
> instead of the MAC address.
4.2 series has a new feature that makes this much cleaner. You declare
a host and use the 'host-identifier option' option. For example:
host test-01-03-07 {
host-identifier option agent.circuit-id "test-01-03/Ethernet7:Vlan2";
fixed-address 10.8.200.1;
filename "onttlrs_test.cfg";
}
This works beautifully in my test environment. I'm close to putting it
in production.
Jerimiah
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