Gordon Messmer wrote:
> On 07/12/2017 04:22 PM, mark wrote:
>> On 07/12/17 12:09, Gordon Messmer wrote:
>>> On 07/12/2017 07:13 AM, m.roth@xxxxxxxxx wrote:
>>>> 4. It appears to try, several times, and then give up - as our
>>>> manager puts it, "I to renew the lease", "Here it is","Nope,
>>>> don't like that, try again", and eventually, after 4 or 5 or
>>>> so tries, gives up.
>>>
>> Next, there is *nothing*, not in dmesg*, not in /var/log/messages, to
>> indicate when it failed, nor any failure message. No indication why
>> the daemon didn't restart it.
>
> Where did your manager observe the conversation you described above? If
> you're watching traffic at the DHCP server, have you tried also
> capturing traffic on one of the affected clients?
>
> Following the failure, does the client have an IPv4 address and no IPv6
> address? Or does it have an IPv6 address and no default route?
No IPv6. IIRC, no default, either.
mark
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