Re: dhcpcd-4.99.1 [was: wpa_supplicant before dhcpcd]

["Zafer Aydoğan" <zafer%aydogan.de@localhost>]

2008/9/15 Roy Marples <roy%marples.name@localhost>:
> On Tue, 2008-09-02 at 17:37 +0100, Roy Marples wrote:
>> However, this has prompted a TODO list for dhcpcd.
>>
>> 1) Multiple interface support (done)
>> 2) Detect wireless interface (done)
>> 3) Control socket to release leases
>> 4) OS support for detecting new/removed interfaces
>> 5) Control socket for adding/removing interfaces if no wish for dynamic
>> OS support
>> 6) Ensure that preferred interfaces get the routing and configuration
>> (default wired over wireless, then if_nametoindex - will be
>> configurable)
>>
>> Multiple interface support has actually prompted a big code change to
>> the client state engine, moving to a proper event loop (no, not
>> libevent). This should make the long term goal of DHCPv6 support much
>> easier.
>>
>> When 6) is finally done, you can have dhcpcd on two interfaces. The one
>> with the lowest metric will get the default route. If this interface
>> goes down (lease expires, no carrier, etc) then the other interface will
>> automatically redo its routing so that a new default route will appear.
>> This should make switching between wireless and wired networks on a
>> laptop quite trivial.
>
> This how now been done - BSD now has a mini network manager :)
> It's proving quite stable, so I've released an experimental version
> [1] with rc.d script [2] so I can get some feedback.
>
> Give preferred interfaces lower metrics in /etc/dhcpcd.conf like so
> interface bge0
> metric 10
> interface iwi0
> metric 20
>
> default is if_nametoindex + 100
> if wireless we add another 100.
>
> Use the command
> netstat -nr -f inet
> to verify the routing changes to the right interface.
>
> You may wish to add this line to /etc/dhcpcd.conf
> denyinterfaces fwip[0-9]* tap[0-9]*
> to stop dhcpcd from managing those interfaces.
> You could also explicitly list interfaces for dhcpcd to configure
> dhcpcd bge0 iwi0
> Or supply an allow list in /etc/dhcpcd.conf
> allowinterfaces iwi[0-9]* bge[0-9]*
> We need something like this as we cannot work out the type of interface
> and if we should me trying to manage it by default if not given a list
> of interfaces to work off [3]
>
> As I said, this is an experimental version so if you have any interest
> in this please try it and give me some feedback! It's pretty much
> feature complete from what people have wanted so far - I just want to
> add DHCPv6 support in the future.
>
> Thanks
>
> Roy
>
> [1] http://roy.marples.name/dhcpcd/dhcpcd-4.99.1.tar.bz2
> [2] http://roy.marples.name/dhcpcd/dhcpcd.rc
> [3] http://mail-index.netbsd.org/tech-net/2008/09/10/msg000770.html
>
>
>

denyinterfaces is awesome. I've been looking forward for that :)
nice job.

Zafer.