Re: Does bonding driver support 802.3ad "port-priority"?

Martin T <[email protected]>
Newsgroups org.kernel.vger.lartc
Message-ID <CAJx5YvEwyWFWBLUA6dtEANEggH2ix001ukZHgX=oLNFaDmR74w@mail.gmail.com>
Jay,

thanks for confirming this!


regards,
Martin

On Fri, Jun 2, 2017 at 10:25 PM, Jay Vosburgh
<[email protected]> wrote:
> Martin T <[email protected]> wrote:
> [...]
>>does Linux bonding driver support 802.3ad "port-priority" feature? For
>>example in Cisco devices one can assign a "lacp port-priority" to each
>>port on a device running LACP. The port priority is used to decide
>>which ports should be put in standby mode when a hardware limitation
>>or the "lacp max-bundle" command configuration prevents all compatible
>>ports from aggregating. Such feature is also supported for example on
>>Juniper gear. Based on "Linux Ethernet Bonding Driver HOWTO" bonding
>>driver does not seem to support this feature..
>
>         No, it doesn't.  All bonding slaves are set to port priority
> (Actor_Port_Priority) of 255, and bonding has no equivalent to the
> max-bundle option.  The LAG selection logic described in 802.1AX 5.6.1
> is not implemented, as bonding does not restrict the size of an
> aggregation.
>
>         -J
>
> ---
>         -Jay Vosburgh, [email protected]
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.