Re: dhclient renew

[Pavel Simerda <psimerda redhat com>]

----- Original Message -----
> From: "Christoph Mathys" <eraserix gmail com>
> I apologize if this is the wrong place to ask.

No probem at all.
 
> Short: Does NM run dispatcher.d scripts if dhclient renews an IP? (NM
> 0.9.4)

> From NM point of view, there's no reason to do that, it's not a connection/connectivity change.

> Our dns deletes dynamic entries if they have not been updated for 20
> days or so.

So your DNS is updated by the client, not by the server. You could use cron for that, possibly. I don't think 
you can run specific scripts from dhclient when it's run with NetworkManager's action binary instead of 
dhclient-script, but let's wait for other responses. Therefore it looks like you want to get back the 
DHCP-based scripting capabilities with NetworkManager. It would be possible to modify the NM dhclient module.

> We create and maintain this entries using a dispatcher
> script in NM. This works fine for normal clients that are shutdown at
> the end of the day/week. If the client runs for several weeks, it
> regularly renews its dhcp lease (5 days), which I see in the
> corresponding *.lease-file from dhclient. But I don't see any
> activity concerning NM or our dispatcher script in the logs.
> After the 20 days
> have passed, the dns entry of the client just vanishes and I need to
> manually disconnect and reconnect to retrigger the dispatcher script.

If it's 20 days, a cronjob checking for NM connection and acting upon it might be easier.

Cheers,

Pavel