Re: How to configure DHCP client on a bridge ?

On Fri, 2009-03-13 at 07:33 +0100, Olivier Cochard-Labbé wrote:
> Hi,
> 
> I'm trying to follow the advice fount in the handbook by configuring
> the IP address on the bridge0 interface rather than on a member
> interface.
> Then I've configured my rc.conf like that:
> 
> cloned_interfaces="bridge0"
> ifconfig_bridge0="addm bge0 addm xl0 DHCP"
> ifconfig_bge0="up"
> ifconfig_xl0="up"
> 
> But, with this configuration, the dhclient didn't start automatically
> on the bridge0 interface.
> After a reboot, my bridge0 status is:
> [olivier_at_d630]~>ifconfig bridge0
> bridge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
> 	ether 82:03:c8:73:85:cc
> 	id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15
> 	maxage 20 holdcnt 6 proto rstp maxaddr 100 timeout 1200
> 	root id 00:00:00:00:00:00 priority 32768 ifcost 0 port 0
> 	member: xl0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
> 	        ifmaxaddr 0 port 5 priority 128 path cost 55
> 	member: bge0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
> 	        ifmaxaddr 0 port 2 priority 128 path cost 55
> 
> I need to manually start the dhclient on the bridge0 for getting my IP address:
> 
> [root_at_d630]~#dhclient bridge0
> DHCPREQUEST on bridge0 to 255.255.255.255 port 67
> DHCPNAK from 192.168.100.254
> DHCPDISCOVER on bridge0 to 255.255.255.255 port 67 interval 6
> DHCPOFFER from 192.168.100.254
> DHCPREQUEST on bridge0 to 255.255.255.255 port 67
> DHCPACK from 192.168.100.254
> bound to 192.168.100.58 -- renewal in 432000 seconds.
> 

You could move (parts of) your ip configuration
to /etc/rc.local

It is run once at boot time,

Marten 




> I'm ussing current:
> [root_at_d630]~#uname -a
> FreeBSD d630.freenas.org 8.0-CURRENT FreeBSD 8.0-CURRENT #14: Thu Mar
> 12 14:17:22 CET 2009
> root_at_d630.freenas.org:/usr/obj/usr/src/sys/DellD630  amd64
> 
> What is the good rc.conf parameters for using a dhclient on a bridge interface ?
> 
> Thanks,
> 
> Olivier
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-- 
Marten Vijn
linux 2.0.18 OpenBSD 3.6 FreeBSD 4.6
http://martenvijn.nl
http://opencommunitycamp.org
http://wifisoft.org