ECMP support in FreeBSD 7.2 and 8.0 +
Li, Qing
qing.li at bluecoat.com
Thu Jan 28 18:29:53 UTC 2010
ECMP support is only available in FreeBSD 8.0.
I have not received any request to merge that feature back
into 7.x branch.
In FreeBSD 8.0, currently there is no association between interface
link state and the route availability RTF_UP flag, so ECMP cannot
be used as a failover mechanism effectively.
I have a working patch to address that deficiency and will commit
the patch once I find more time to do additional unit testing on it.
--Qing
> -----Original Message-----
> From: owner-freebsd-net at freebsd.org [mailto:owner-freebsd-
> net at freebsd.org] On Behalf Of Balaji G
> Sent: Thursday, January 28, 2010 3:56 AM
> To: freebsd-net at freebsd.org
> Subject: ECMP support in FreeBSD 7.2 and 8.0 +
>
> Hi Everybody
>
> I would like to know whether ECMP feature is supported in FreeBSD 7.2.
> I was able to infer that ECMP is supported in FreeBSD 8.0 because i
> was able to look into the SVN checkin logs and also found out that in
> FreeBSD 8.0 the ECMP code was wrapped under RADIX_MPATH macro.
>
> I was not able to get any results when i did a search for RADIX_MPATH
> in 7.2. I would like to know whether ECMP code exists in 7.2 and
> whether it provides the same functionality as given in FreeBSD 8.0
>
> Thanks for your time.
>
> Cheers,
> - Balaji
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