| View previous topic :: View next topic |
| Author |
Message |
albright
Advocate
Joined: 16 Nov 2003
Posts: 2588
Location: Near Toronto
|
 Posted: Tue Nov 22, 2016 12:29 pm Post subject: DHCPD flooding logs [SOLVED ... I think] |
 |
|
I know there are some threads about this but I can't find any solutions, so ...
I have a computer which serves addresses on local network and that
is working fine
but the system log is filling up with these:
| Quote: | Nov 22 07:24:02 gandalf dhcpd[23945]: DHCPDISCOVER from ec:22:80:a3:4a:b4 (gandalf) via eth1
Nov 22 07:24:03 gandalf dhcpd[23945]: DHCPOFFER on 192.168.0.35 to ec:22:80:a3:4a:b4 (gandalf) via eth1
Nov 22 07:25:06 gandalf dhcpd[23945]: DHCPDISCOVER from ec:22:80:a3:4a:b4 (gandalf) via eth1
Nov 22 07:25:07 gandalf dhcpd[23945]: DHCPOFFER on 192.168.0.35 to ec:22:80:a3:4a:b4 (gandalf) via eth1
Nov 22 07:26:09 gandalf dhcpd[23945]: DHCPDISCOVER from ec:22:80:a3:4a:b4 (gandalf) via eth1
Nov 22 07:26:10 gandalf dhcpd[23945]: DHCPOFFER on 192.168.0.35 to ec:22:80:a3:4a:b4 (gandalf) via eth1
Nov 22 07:27:13 gandalf dhcpd[23945]: DHCPDISCOVER from ec:22:80:a3:4a:b4 (gandalf) via eth1
Nov 22 07:27:14 gandalf dhcpd[23945]: DHCPOFFER on 192.168.0.35 to ec:22:80:a3:4a:b4 (gandalf) via eth1
|
Note that "gandalf" is the computer running dhcpd so it kind of looks (to me) as if gandalf is discovering
itself and offering an address to itself which is, of course, never taken up (since it naturally has a static
address)
But that is just my speculation. Any one help? TIA
_________________
.... there is nothing - absolutely nothing - half so much worth
doing as simply messing about with Linux ...
(apologies to Kenneth Graeme)
Last edited by albright on Sun Nov 27, 2016 6:17 pm; edited 1 time in total |
|
| Back to top |
|
 |
Tony0945
Watchman
Joined: 25 Jul 2006
Posts: 5127
Location: Illinois, USA
|
| Posted: Sun Nov 27, 2016 2:28 pm Post subject: |
|
|
Which do you want to do? Stop the logging? Or stop gandalf from going to dhcpd on itself?
EDIT: I would assume the later. Are you running OpenRC or systemd? Are you running Network-Manager? from the network-manager wiki page: | Quote: | Note
NetworkManager and other network management services typically don't work together. That includes a standalone instance of dhcpcd. Make sure only one network management service is running. |
Tell us more about your network setup. |
|
| Back to top |
|
|
Ant P.
Watchman
Joined: 18 Apr 2009
Posts: 6920
|
| Posted: Sun Nov 27, 2016 5:01 pm Post subject: |
|
|
| I'm surprised it's doing that at all; dhcpd is one of those crufty old unix daemons that doesn't know how to handle hotplug, so it seems odd it'd be answering requests on its own interfaces that lack an IP. |
|
| Back to top |
|
|
albright
Advocate
Joined: 16 Nov 2003
Posts: 2588
Location: Near Toronto
|
| Posted: Sun Nov 27, 2016 6:17 pm Post subject: |
|
|
thanks for the help
it looks like the problem *might* have been that I had
overlapping static and dynamic dhcpd address assignments
I fixed that and the logs are back to normal (ie. I only
see reports of actual new leases or releases ...)
I'll mark it solved but keep watching
_________________
.... there is nothing - absolutely nothing - half so much worth
doing as simply messing about with Linux ...
(apologies to Kenneth Graeme) |
|
| Back to top |
|
|
|
Networking & Security
