Re: ifb and LXC

Linux Advanced Routing and Traffic Control

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Bob, thanks for the ideas, they were good ones.

ip link show in the container does not show any ifb devices, but the
host shows two. I'm not using the ones on the host, I only loaded the
module so that the container could have access to it.

/proc/sys/net/ipv4/conf/ifb0 is also missing in the container.

Looks like the container just isn't getting the memo about ifb being
available. Hopefully there are some more ideas out there.

Robert
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On Sat, Aug 15, 2015 at 5:44 PM, Bob Miller <bob@xxxxxxxxxxxxxxx> wrote:
>> root@betelgeuse:~# lsmod | grep ifb
>> ifb                    12637  0
>> root@betelgeuse:~# ip link set dev ifb0 up
>> Cannot find device "ifb0"
>>
>>
>> I suspect that something similar is needed for ifb, but I can't seem
>> to figure it out. Please let me know if you have any ideas.
>
>
> Since you ask for ideas instead of answers ;)
>
> On my system modprobe ifb has a configuration parameter setting number of
> interfaces, maybe this is playing into the equation on your system?
>
> ip link show should reveal existing ifb interfaces, so maybe you can use
> that to find what is wrong with ifb0?
>
> fwiw, find /dev/ -name *ifb* returns nothing on my system, however I do have
> /proc/sys/net/ipv4/conf/ifb0
>
>
>>
>> - ----------------
>> Robert LeBlanc
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