CentOS virt - Jun 2015 - Bridges, VLANs, Bonding on CentOS 7

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Hi,

some months ago I ran into a hassle with following, quite simple
config that works on CentOS 6 and CentOS 5 extremeley well, for years.
However, I have problems getting it running on CentOS 7.

                                   ,-- bond0.100 -- brbond0.100 -> (VMs)
eth0 (eno1 on C7) --.              |
                    |--- bond0 ----|-- bond0.101 -- brbond0.101 -> (VMs)
eth1 (eno2 on C7) --?              |
                                   `-- bond0.n ---- brbond0.102 -> (VMs)

Any idea, what's the difference between C5/C6 and CentOS 7?

Best,

Timo

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hi

2015-06-11 11:10 GMT+02:00 Timo Sch?ler <timo at riscworks.net>:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
> Hi,
>
> some months ago I ran into a hassle with following, quite simple
> config that works on CentOS 6 and CentOS 5 extremeley well, for years.
> However, I have problems getting it running on CentOS 7.
>
>                                    ,-- bond0.100 -- brbond0.100 -> (VMs)
> eth0 (eno1 on C7) --.              |
>                     |--- bond0 ----|-- bond0.101 -- brbond0.101 -> (VMs)
> eth1 (eno2 on C7) --?              |
>                                    `-- bond0.n ---- brbond0.102 -> (VMs)
>
> Any idea, what's the difference between C5/C6 and CentOS 7?
>
wild guess, can you try naming the bridge without using '.' (br100)
else send you config file to the list

> Best,
>
> Timo
>
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> Version: GnuPG v2
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> iF4EAREIAAYFAlV5UHYACgkQuSPmkPhAW0qvSgD/aSybtfIG6Uy1da+zdJNNK7Ol
> fH2XG6We/FjakF102yUA/Ahbqk525/kP0kiq1/u9C2O5prnpjY9wIrYYUt/LU9nG
> =lcgL
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On 06/11/2015 12:32 PM, Etienne Champetier wrote:
> hi
> 
> 2015-06-11 11:10 GMT+02:00 Timo Sch?ler <timo at riscworks.net 
> <mailto:timo at riscworks.net>>:
> 
> Hi,
> 
> some months ago I ran into a hassle with following, quite simple 
> config that works on CentOS 6 and CentOS 5 extremeley well, for
> years. However, I have problems getting it running on CentOS 7.
> 
> ,-- bond0.100 -- brbond0.100 -> (VMs) eth0 (eno1 on C7) --.
> | |--- bond0 ----|-- bond0.101 -- brbond0.101 -> (VMs) eth1 (eno2
> on C7) --?              | `-- bond0.n ---- brbond0.102 -> (VMs)
> 
> Any idea, what's the difference between C5/C6 and CentOS 7?
> 
> 
>> wild guess, can you try naming the bridge without using '.'
>> (br100) else send you config file to the list
Very interesting. Using the '.' worked under C5 and C6, does NOT for C7.

Omitting the dot, it works. Thanks a lot!

Timo
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