Bug 225792 - ECMP is broken since tryforward()
Summary: ECMP is broken since tryforward()
Status: New
Alias: None
Product: Base System
Classification: Unclassified
Component: kern (show other bugs)
Version: 11.0-STABLE
Hardware: Any Any
: --- Affects Only Me
Assignee: freebsd-net mailing list
URL:
Keywords: regression
Depends on:
Blocks:
 
Reported: 2018-02-09 16:25 UTC by Olivier Cochard
Modified: 2019-08-07 15:58 UTC (History)
3 users (show)

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Description Olivier Cochard freebsd_committer 2018-02-09 16:25:42 UTC
For the record: As mentioned into the mailing-list [1], adding "options RADIX_MPATH" doesn't allow any more to use ECMP.
The new ip_tryforward (like the previous fastforward) didn't support ECMP: a FreeBSD router sticks to its first route entry and never try the second entry.

[1] https://lists.freebsd.org/pipermail/freebsd-net/2017-February/047203.html