Re: The Bridge on the River Dream House Of Net

[Dan Williams <dcbw redhat com>]

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?
>
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