Re: The Bridge on the River Dream House Of Net

[poma <pomidorabelisima gmail com>]

On 07.04.2015 22:18, Dan Williams wrote:
> On Tue, 2015-04-07 at 18:47 +0200, poma wrote:
> > On 07.04.2015 18:26, poma wrote:
> > > $ nmcli networking
> > > enabled
> > >
> > > $ nmcli networking connectivity 
> > > full
> > >
> > > $ brctl show
> > > bridge name bridge id               STP enabled     interfaces
> > > bridge0             8000.001234567830       no              enp3s0
> > >
> > > $ nmcli device 
> > > DEVICE      TYPE      STATE         CONNECTION 
> > > bridge0     bridge    connected     bridge0    
> > > enp3s0      ethernet  connected     base0      
> > > ...
> > >
> > >
> > > $ nmcli networking off
> > >
> > > $ nmcli networking 
> > > disabled
> > >
> > > $ nmcli networking connectivity 
> > > none
> > >
> > > $ brctl show
> > > bridge name bridge id               STP enabled     interfaces
> > > bridge0             8000.000000000000       no              
> > >
> > > $ nmcli device 
> > > DEVICE      TYPE      STATE      CONNECTION 
> > > bridge0     bridge    connected  bridge0    
> > > enp3s0      ethernet  unmanaged  --         
> > > ...
>
> Yes, you have found some inconsistencies with the Enabled property and
> behavior.  I also see some open questions in the code about how to treat
> software devices during enable/disable.  I've filed
> https://bugzilla.gnome.org/show_bug.cgi?id=747477 to track it.
>
> Thanks!
> Dan
>
> > > $ systemctl reboot
> > > .
> > > .
> > > .
> > >
> > >
> > > $ nmcli networking 
> > > disabled
> > >
> > > $ nmcli networking connectivity 
> > > none
> > >
> > > $ brctl show
> > > bridge name bridge id               STP enabled     interfaces
> > > bridge0             8000.000000000000       no              
> > >
> > > $ nmcli device 
> > > DEVICE      TYPE      STATE      CONNECTION 
> > > bridge0     bridge    unmanaged  --         
> > > enp3s0      ethernet  unmanaged  --         
> > > ...
> > >
> > > $ nmcli networking on
> > >
> > > $ nmcli networking
> > > enabled
> > >
> > > $ nmcli networking connectivity 
> > > none
> > >
> > > $ brctl show
> > > bridge name bridge id               STP enabled     interfaces
> > > bridge0             8000.000000000000       no              
> > >
> > > $ nmcli device 
> > > DEVICE      TYPE      STATE         CONNECTION 
> > > enp3s0      ethernet  disconnected  --         
> > > bridge0     bridge    unmanaged     --         
> > > ...
> > >
> > > $ su
> > > Password: 
> > >
> > > # nmcli networking 
> > > enabled
> > >
> > > # nmcli networking connectivity 
> > > none
> > >
> > > # nmcli networking off
> > >
> > > # nmcli networking 
> > > disabled
> > >
> > > # nmcli networking on
> > >
> > > # nmcli networking 
> > > enabled
> > >
> > > # nmcli networking connectivity 
> > > none
> > >
> > > # lsmod | grep bridge
> > > bridge                107941  1 ebtable_broute
> > > stp                    12868  1 bridge
> > > llc                    13941  2 stp,bridge
> > >
> > > # modprobe -rv ebtable_broute
> > > rmmod ebtable_broute
> > > rmmod bridge
> > > rmmod stp
> > > rmmod llc
> > >
> > > # lsmod | grep bridge
> > >
> > > # modprobe -v ebtable_broute
> > > insmod /lib/modules/3.18.11-200.fc21.x86_64/kernel/net/llc/llc.ko.xz 
> > > insmod /lib/modules/3.18.11-200.fc21.x86_64/kernel/net/802/stp.ko.xz 
> > > insmod /lib/modules/3.18.11-200.fc21.x86_64/kernel/net/bridge/bridge.ko.xz 
> > > insmod /lib/modules/3.18.11-200.fc21.x86_64/kernel/net/bridge/netfilter/ebtable_broute.ko.xz 
> > >
> > > # lsmod | grep bridge
> > > bridge                107941  1 ebtable_broute
> > > stp                    12868  1 bridge
> > > llc                    13941  2 stp,bridge
> > >
> > > # exit
> > > exit
> > >
> > > $ nmcli networking
> > > enabled
> > >
> > > $ nmcli networking connectivity 
> > > none
> > >
> > > $ brctl show
> > > bridge name bridge id               STP enabled     interfaces
> > >
> > > $ nmcli device 
> > > DEVICE      TYPE      STATE         CONNECTION 
> > > enp3s0      ethernet  disconnected  --         
> > > ...
> > >
> > > $ nmcli networking off
> > >
> > > $ nmcli networking 
> > > disabled
> > >
> > > $ nmcli networking on
> > >
> > > $ nmcli networking 
> > > enabled
> > >
> > > $ nmcli networking connectivity 
> > > full
> > >
> > > $ brctl show
> > > bridge name bridge id               STP enabled     interfaces
> > > bridge0             8000.001234567830       no              enp3s0
> > >
> > > $ nmcli device 
> > > DEVICE      TYPE      STATE         CONNECTION 
> > > bridge0     bridge    connected     bridge0    
> > > enp3s0      ethernet  connected     base0      
> > > ...
> > >
> > >
> > > $ NetworkManager --version
> > > You must be root to run NetworkManager!
> > >
> > > $ NetworkManager --help
> > > You must be root to run NetworkManager!
> > >
> > > $ su
> > > Password: 
> > >
> > > # NetworkManager --version
> > > 1.0.0-8.fc21
> >
> > Disabled 'networking', reboot and bridge connection will start working *only* after kernel module reload.
> > Bug or feature?

Update to 1.1.0 development snapshot
https://bugzilla.redhat.com/show_bug.cgi?id=1209785


$ nmcli networking off

$ systemctl reboot
.
.
.

$ nmcli networking
disabled

$ nmcli networking connectivity 
none

$ brctl show
bridge name     bridge id               STP enabled     interfaces
bridge0         8000.000000000000       no              

$ nmcli device 
DEVICE      TYPE      STATE      CONNECTION 
bridge0     bridge    unmanaged  --         
enp3s0      ethernet  unmanaged  --         
...

$ nmcli networking on

$ nmcli networking 
enabled

$ nmcli networking connectivity 
full

$ brctl show
bridge name     bridge id               STP enabled     interfaces
bridge0         8000.001234567830       no              enp3s0

$ nmcli device 
DEVICE      TYPE      STATE         CONNECTION 
bridge0     bridge    connected     bridge0    
enp3s0      ethernet  connected     base0      
...

$ NetworkManager --version
1.1.0-1.git20150407.7914a6b.fc21