On 06/10/2016 03:55 PM, Greg Olsen wrote:
On 2016-06-10 06:34, Greg Olsen wrote:
    [snip]
 > The only side-effect are the extra messages during ifup with
 > "bridge_ports none":
 >
 > iface testbr1 inet static
 >         bridge_ports none
 >         address 10.91.0.1
 >         netmask 255.255.0.0
 >         network 10.91.0.0
 >         broadcast 10.91.255.255
 >         bridge_stp off           # disable Spanning Tree Protocol
 >         bridge_waitport 0        # no delay before a port becomes
available
 >         bridge_fd 0              # no forwarding delay
 >         up        ip link set $IFACE up
 >         down      ip link set $IFACE down

Sorry to respond to my own post here:
I meant to remove the up/down statements in the example above. Those
aren't needed either when using "bridge_ports none".

No, that's cool and thanks for explaining. I think the up/down statements are not needed at all. It seems to work without them - whether using pre/post line or "bridge_ports none".

Using "bridge_ports none" and then having post line delete the bridge does however cause message to say the device does not exist.

I am a bit confused about the distros relationship with ifupdown. Isn't /etc/network/interfaces Debian specific? So I am guessing the ifup/down is a different program on say CentOS. I should try to stay relevant even though I use mostly Devaun now.

Cheers,

Simon
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