dhcpd doesn't acknowledge dhcp requests

[Sean McMurray]

On 06/03/2015 08:52 AM, dave c wrote:
> Sean,
>
> I don't see a subnet defined for the 10.64.0.104 local subnet.
>
> Without it, broadcasts aren't going to get answered as there is no 
> dhcpd pool or configuration telling it to answer local requests.
There is a pool for 10.112.0.0/13 and broadcasts are coming from that 
interface. Those are the broadcasts that are being ignored.
The 10.64.0.0 network is just being used to sync the peers.

[snip]
> Dave
>
> On 6/3/15 10:10, Sean McMurray wrote:
>> On 06/02/2015 03:40 PM, Graham Clinch wrote:
>>>> I have a dhcp server that won't give out leases and doesn't 
>>>> acknowledge
>>>> DHCPDISCOVERs.
>>>>
>>>> I see the requests come in with tcpdump, but the daemon doesn't log 
>>>> them
>>>> and doesn't respond.
>>>>
>>>> [snip]
>>>>
[snip]
>> On startup it says that it is Listening and Sending on em2. It also 
>> lists interfaces it will
>> ignore because there is no matching subnet declared in dhcpd.conf.
>>
>> It also says:
>>
>>      Sending on   Socket/fallback/fallback-net
>>
>>> ss -anp | grep dhcpd
>> p_raw  UNCONN     0      0 *:em2                  *
>> users:(("dhcpd",21614,5))
>> u_str  ESTAB      0      0                      * 
>> 558943                 * 559749
>> users:(("dhcpd",21614,2),("dhcpd",21614,1))
>> u_dgr  UNCONN     0      0                      * 
>> 558954                 * 8044
>> users:(("dhcpd",21614,3))
>> raw    UNCONN     0      0 *:1                     *:*
>> users:(("dhcpd",21614,4))
>> tcp    UNCONN     0      0 *:14659                 *:*
>> users:(("dhcpd",21614,20))
>> tcp    UNCONN     0      0 *:67                    *:*
>> users:(("dhcpd",21614,9))
>> tcp    UNCONN     0      0 :::23465                :::*
>> users:(("dhcpd",21614,21))
>> tcp    LISTEN     0      1 10.64.0.104:647                   *:*
>> users:(("dhcpd",21614,11))
>> tcp    ESTAB      0      0            10.64.0.104:647 10.64.0.112:56061
>> users:(("dhcpd",21614,10))