Public bug reported:
My server's (primarily a NAT box/802.11g hotspot) network configuration:
Ubuntu release: 10.04 LTS
External interface: eth3
Internal interface: br0 (bridging eth2 and wlan0)
I run dhcp3-server on my internal interface to supply private
(192.168.*) IP addresses to wired and wireless devices throughout my
apartment.
I recently upgraded this server from 8.04 LTS to 10.04 LTS. After the
upgrade I've faced some problems with the startup process. The issue I'm
reporting here has to do with dhcp3-server failing to start during boot.
>From what I can tell, upstart begins bringing up br0, which takes perhaps 15
>seconds. While br0 is coming up (and still has an address of 0.0.0.0), the
>dhcp3-server init script is started, but fails because 0.0.0.0 is not a
>declared network and dhcpd fails to start, reporting:
May 13 22:29:40 firewall dhcpd: No subnet declaration for br0 (0.0.0.0).
May 13 22:29:40 firewall dhcpd: ** Ignoring requests on br0. If this is not
what
May 13 22:29:40 firewall dhcpd: you want, please write a subnet declaration
May 13 22:29:40 firewall dhcpd: in your dhcpd.conf file for the network
segment
May 13 22:29:40 firewall dhcpd: to which interface br0 is attached. **
May 13 22:29:40 firewall dhcpd:
May 13 22:29:40 firewall dhcpd:
May 13 22:29:40 firewall dhcpd: Not configured to listen on any interfaces!
It seems that dhcpd should start (or restart) when upstart brings up the
interfaces it is configured to listen on.
** Affects: dhcp3 (Ubuntu)
Importance: Undecided
Status: New
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dhcp3-server launches before upstart brings all interface, thus failing to start
https://bugs.launchpad.net/bugs/580319
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