DHCPv6 IP<->DUID mapping ?

[Hillary Nelson]

For LDAP backend, do you use the LDAP comes with DHCP source code?


Thanks!
Hillary


On Tue, Aug 22, 2017 at 10:48 AM, Miloslav Hůla <miloslav.hula at gmail.com>
wrote:

> Restart is needed for now. We have two servers in failover and restart is
> done one by one, so restart is not issue for us.
>
> But in these days we are preparing LDAP backend for DHCPv4 and v6 servers.
> When it will be done, restart will not be necessary. Configuration snippet
> follows. Now, we have only static records, no range6. On switches, we have
> a MAC-radius mechanism, so non-registered MACs fall into guest VLAN and
> they get IPv6 by router advertisment and SLAAC.
>
>
> shared-network VLAN-4 {
>     subnet6 2002:817:55:1100::/64 {
>     }
>
>     subnet6 2002:817:55:1101::/64 {
>     }
>
>     subnet6 2002:817:55:1102::/64 {
>     }
> }
>
> shared-network VLAN-100 {
>     subnet6 2002:817:55:11ee::/64 {
>     }
> }
>
>
> host atlas.example.com {
>     hardware ethernet 00:50:56:a5:c6:69;
>     fixed-address6 2002:817:55:1100::52;
> }
>
> host milo.example.com {
>     hardware ethernet 00:50:56:a5:c6:70;
>     fixed-address6 2002:817:55:11ee::56;
> }
>
> Milo
>
>
>
> Dne 2017-08-22 v 16:23 Hillary Nelson napsal(a):
>
>> Great to know it works for you!  I wonder do you need to restart DHCPv6
>> server everytime there are new MAC added, with DHCPv4 we use omapi to add
>> dynamic host entry so no need to restart server.
>>
>> Here is the relevant config I've been trying, can you share your config
>> if you don't mind, you don't need to use your real IP space:
>>
>> *****************************
>> shared-network "network-staff" {
>>      subnet6 fd01:beef:1::/64 {
>>             pool6 {
>>              deny known-clients;
>>              range6 fd01:beef:1::0/96;
>>          }
>>      }
>>      subnet6 2001:beef:1::/64 {
>>          pool6 {
>>              deny unknown-clients;
>>              range6 2001:beef:1::0/96;
>>          }
>>      }
>> }
>>
>> host registered-host1 { hardware ethernet 11:22:AA:BB:CC:DD; option
>> host-name "registered-host1";  }
>>
>> ***********************************
>>
>> Thanks!
>> Hillary
>>
>>
>> On Tue, Aug 22, 2017 at 9:05 AM, Miloslav Hůla <miloslav.hula at gmail.com
>> <mailto:miloslav.hula at gmail.com>> wrote:
>>
>>     Hi,
>>
>>     we register DHCPv6 clients by MAC, the same way as DHCPv4. With ISC
>>     server, address association works directly via VLAN interface or
>>     relay, event this way is not i the RFCs.
>>
>>     Milo
>>
>>
>>     Dne 2017-08-18 v 16:14 Hillary Nelson napsal(a):
>>
>>
>>         We plan to enable IPv6 registration like we do with our
>>         IPv4(with deny unknown clients), which needs query lease info to
>>         get DUID from giving IPv6 address, without omapi support, should
>>         we parse lease or log to get DUID from IPv6 address? How do you
>>         folks get your DHCPv6 IPv6<->DUID mapping?
>>
>>         If anyone has done IPv6 registration and would like to share
>>         your experience, it will be greatly appreciated!! You contact me
>>         off list if you want..
>>
>>         Best,
>>         Hillary
>>
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>>
>>
>>
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